FOCA52 TJSJ 191831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Tue May 19 2026 PRZ001-200800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 74 81 80 87 90 70 74 81 80 87 90 70 74 81 Temp 84 79 76 74 76 82 86 87 83 78 76 74 76 82 86 87 84 79 76 74 76 82 Dewpt 72 72 72 72 71 73 73 72 71 71 71 71 71 72 72 72 72 72 72 72 72 72 RH 67 79 87 93 85 74 65 61 67 79 85 90 85 72 63 61 67 79 87 93 87 72 Wind dir E E E E SE E E E E E E SE E E E E E E E E E E Wind spd 13 9 8 6 6 11 16 16 14 10 9 6 9 10 13 16 13 9 9 8 8 10 Wind gust 27 24 Clouds B1 B1 B1 FW SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 40 50 50 40 50 QPF 12hr 0.07-0.14 0.14-0.27 0.08 0.08 0.07-0.16 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC Heat index 89 81 87 93 94 88 80 86 92 94 89 81 87 Max heat 100 87 91 101 99 87 90 101 100 87 91 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 74 87 75 87 75 87 75 87 Temp 88 79 74 82 87 79 75 82 87 79 75 82 87 79 75 82 87 79 Dewpt 73 72 72 73 73 72 71 72 73 72 72 73 73 73 72 73 72 71 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 20 40 40 50 40 50 50 50 Rain shwrs SC SC IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC $$ PRZ002-200800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 74 81 75 84 90 64 74 81 75 84 90 64 74 81 Temp 82 78 76 74 75 80 83 84 81 77 76 74 75 80 83 84 81 78 76 74 75 80 Dewpt 72 71 71 71 71 72 72 71 71 71 70 70 70 71 71 71 72 72 72 71 71 72 RH 72 79 85 90 87 77 70 65 72 82 82 87 84 74 67 65 74 82 87 90 87 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 12 12 10 11 14 14 14 12 11 11 10 12 11 14 13 12 11 10 10 10 12 Wind gust 24 25 25 21 23 25 25 25 24 21 21 24 24 21 21 21 20 Clouds B1 B1 B1 SC B1 B1 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B2 PoP 12hr 50 50 50 50 50 QPF 12hr 0.12-0.19 0.27 0.10 0.08-0.18 0.17 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC Heat index 86 84 88 89 85 84 88 90 86 84 Max heat 97 87 90 97 96 87 90 98 97 87 90 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 74 85 74 84 75 84 75 84 Temp 85 78 74 80 85 78 74 80 84 78 75 80 84 78 75 80 84 78 Dewpt 72 72 72 72 72 71 71 71 72 72 71 72 72 72 72 73 72 71 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 50 40 50 40 50 50 50 60 60 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC NM NM Tstms IS IS IS $$ PRZ003-200800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 74 81 75 84 89 66 74 81 75 84 90 66 74 81 Temp 82 77 75 74 75 80 83 84 81 77 75 74 75 80 83 84 81 77 75 74 75 80 Dewpt 71 71 71 71 70 71 71 71 71 70 70 69 69 70 70 71 70 71 71 71 70 70 RH 69 82 87 90 84 74 67 65 72 79 84 84 82 72 65 65 69 82 87 90 84 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 12 10 10 10 10 12 14 14 13 10 9 9 11 10 13 12 11 9 9 10 9 11 Wind gust 24 20 20 24 28 29 26 19 23 21 26 25 24 21 Clouds SC B1 SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 50 50 50 40 50 QPF 12hr 0.07-0.19 0.08-0.26 0.08 0.07 0.08-0.17 Snow 12hr MM MM MM Rain shwrs IS SC IS SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC Heat index 85 83 87 89 85 82 87 89 85 83 Max heat 96 87 89 95 94 86 89 96 95 87 90 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 74 85 74 85 74 85 74 84 Temp 85 78 74 80 85 78 74 80 85 78 74 80 85 78 74 80 84 78 Dewpt 71 71 71 71 71 71 71 71 71 71 71 71 71 71 71 72 71 71 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 PoP 12hr 50 30 30 30 40 40 50 60 60 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS $$ PRZ004-200800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 71 74 75 83 89 66 70 74 75 83 89 66 71 74 Temp 80 75 73 71 72 78 81 83 79 74 72 70 72 78 81 83 79 75 73 71 72 78 Dewpt 70 70 70 70 69 71 71 70 70 69 69 69 68 70 71 70 70 70 70 70 70 71 RH 72 84 90 97 90 79 72 65 74 84 90 97 87 76 72 65 74 84 90 97 93 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 5 5 5 5 11 13 12 11 6 5 4 8 8 12 12 11 5 5 5 5 9 Clouds SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 40 50 50 40 50 QPF 12hr 0.06-0.17 0.11-0.27 0.08 0.06-0.13 0.07-0.18 Snow 12hr MM MM MM Rain shwrs SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC Heat index 82 85 87 81 85 87 82 80 Max heat 96 89 97 95 89 96 95 90 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 71 83 71 83 71 83 71 83 Temp 83 75 71 78 83 75 71 78 83 75 71 78 83 75 71 78 83 75 Dewpt 71 70 70 71 71 70 69 70 71 70 70 71 71 71 70 72 70 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT LT Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 30 40 40 50 40 50 50 50 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS $$ PRZ005-200800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 73 81 83 88 92 69 72 81 83 88 92 70 72 81 Temp 84 78 75 73 74 82 86 88 84 77 75 73 74 82 86 88 84 78 75 73 74 82 Dewpt 73 71 71 71 70 72 73 73 72 71 71 70 69 72 73 73 73 72 71 71 71 72 RH 70 79 87 93 87 72 65 61 67 82 87 90 84 72 65 61 70 82 87 93 90 72 Wind dir E E E E E E E E E E E SE E E E E E E E E E E Wind spd 17 11 8 6 6 9 16 19 17 11 9 6 5 10 11 17 16 11 9 6 5 9 Wind gust 32 23 26 35 32 23 21 31 29 21 Clouds B1 B1 SC FW SC CL SC B1 B1 B1 SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 30 50 30 50 30 QPF 12hr 0.03-0.10 0.10-0.58 0.02-0.08 0.07-0.44 0.02-0.09 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS SC SC SC IS IS IS IS IS SC SC IS IS IS IS SC Tstms IS IS IS IS Heat index 90 87 94 96 89 86 94 96 90 87 Max heat 102 87 92 105 102 86 92 105 102 87 92 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 73 88 73 88 73 88 73 88 Temp 88 78 73 82 88 78 73 81 88 78 73 82 88 78 73 82 88 78 Dewpt 74 72 71 73 74 72 71 72 74 72 71 73 74 72 72 73 71 71 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN BZ GN GN Avg clouds B1 B1 SC SC FW SC SC SC B1 B1 SC SC SC B1 SC SC SC B1 PoP 12hr 60 10 20 30 40 10 40 20 40 Rain shwrs SC NM IS IS IS IS IS IS SC SC IS IS SC SC IS IS SC SC Tstms IS IS $$ PRZ006-200800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 60 69 74 75 81 90 60 69 73 75 82 90 60 69 73 Temp 78 74 71 69 71 76 80 81 78 73 71 69 71 76 80 82 78 73 71 69 71 77 Dewpt 68 68 68 68 67 68 69 69 68 67 67 67 66 68 69 69 68 68 68 68 68 68 RH 71 82 90 97 87 76 69 67 71 81 87 93 84 76 69 65 71 84 90 97 90 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 5 4 4 4 8 11 12 11 5 4 4 5 8 10 11 10 5 4 5 4 6 Wind gust 23 26 29 25 24 24 21 Clouds SC SC SC FW SC FW SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 30 30 30 30 40 QPF 12hr 0.01-0.08 0.04-0.31 0.02-0.09 0.06-0.23 0.02-0.09 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS SC SC SC IS IS IS IS IS SC SC IS IS IS IS SC Heat index 80 83 84 83 84 80 Max heat 96 88 98 96 88 98 96 88 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 70 82 69 81 70 82 70 82 Temp 82 74 70 77 82 74 69 76 81 74 70 77 82 74 70 77 82 74 Dewpt 70 69 68 69 69 68 68 68 69 68 68 69 69 69 69 69 68 68 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT LT Avg clouds B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC B1 SC SC SC B1 PoP 12hr 60 20 20 30 40 20 40 20 40 Rain shwrs SC SC IS IS IS IS IS IS SC SC IS IS SC SC IS IS SC SC Tstms IS IS $$ PRZ007-200800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 73 81 75 85 91 61 73 81 75 85 92 62 73 81 Temp 82 77 75 73 74 80 84 85 82 77 75 73 74 80 84 85 82 77 75 73 74 80 Dewpt 69 69 68 68 68 68 69 70 70 69 68 67 66 67 68 68 69 69 69 68 68 68 RH 65 76 79 84 82 67 61 61 67 76 79 81 76 65 59 57 65 76 82 84 82 67 Wind dir E E E E E E E SEE E E E E E SE SE SE E E E E E Wind spd 12 9 6 6 5 9 13 16 13 9 6 6 8 10 12 12 11 8 5 5 5 9 Wind gust 27 23 20 29 32 29 25 20 23 27 28 24 19 20 Clouds SC FW FW FW FW FW FW SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 5 20 30 30 20 QPF 12hr 0.00-0.08 0.04-0.43 0.01-0.10 0.07-0.39 0.01-0.08 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS Heat index 85 83 88 89 85 82 87 89 85 83 Max heat 98 86 89 98 97 86 88 97 97 86 89 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 73 86 73 86 73 86 73 86 Temp 86 77 73 80 86 77 73 80 86 77 73 81 86 78 73 81 86 77 Dewpt 71 70 69 69 69 69 68 68 70 69 68 68 70 69 69 69 69 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC B1 SC SC SC SC SC SC SC SC SC SC SC B1 SC SC SC B1 PoP 12hr 50 10 30 10 40 10 50 20 50 Rain shwrs SC SC IS IS IS IS IS IS SC SC IS IS SC SC IS IS SC SC $$ PRZ008-200800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 71 81 83 86 93 67 71 81 83 86 93 67 71 81 Temp 82 76 74 71 73 80 85 86 82 76 73 71 73 80 84 86 82 76 74 71 73 80 Dewpt 73 72 70 69 68 70 72 74 73 72 70 68 67 70 71 73 73 72 71 69 69 70 RH 74 87 87 93 84 72 65 68 74 87 90 90 81 72 65 65 74 87 90 93 87 72 Wind dir E E E E E E E E E E E E E E E NE E E E E E E Wind spd 17 14 11 9 9 10 13 18 16 13 9 9 6 9 10 12 13 10 10 9 8 10 Wind gust 32 26 23 25 35 32 24 20 29 26 Clouds B2 B1 SC FW FW CL FW B2 B2 B1 SC FW FW SC SC B2 B2 SC SC SC SC SC PoP 12hr 30 60 30 60 20 QPF 12hr 0.04 0.26-0.73 0.04 0.31-0.95 0.03 Snow 12hr MM MM MM Rain shwrs NM SC SC IS NM NM SC IS IS IS NM NM IS IS IS IS IS Tstms IS IS IS IS IS Heat index 88 83 91 94 88 83 90 94 88 83 Max heat 103 87 91 106 105 87 89 105 103 87 91 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 71 86 71 86 72 86 72 87 Temp 87 76 71 80 86 76 72 80 86 77 72 80 86 77 72 80 87 77 Dewpt 74 73 70 71 74 72 69 70 73 72 69 70 74 72 70 71 71 70 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN BZ GN GN Avg clouds SC B1 SC SC FW B1 SC SC SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 60 30 40 20 50 10 60 30 50 Rain shwrs NM NM SC SC SC SC IS IS SC SC IS IS IS SC SC IS IS SC Tstms IS IS IS IS $$ PRZ009-200800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 69 74 75 83 93 63 69 74 75 83 93 64 69 74 Temp 80 74 72 69 71 77 82 83 79 74 71 69 71 77 82 83 79 74 72 69 71 78 Dewpt 70 69 68 67 67 68 69 70 70 69 67 66 66 68 69 70 70 69 69 67 67 68 RH 72 84 87 93 87 74 65 65 74 84 87 90 84 74 65 65 74 84 90 93 87 71 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 6 5 4 4 5 8 8 6 5 4 4 4 5 6 5 5 4 4 4 4 5 Wind gust 27 20 28 28 26 24 19 26 26 21 Clouds B2 SC SC CL CL CL CL B1 B2 SC FW CL CL SC SC B2 B2 SC SC SC SC SC PoP 12hr 20 70 20 60 10 QPF 12hr 0.02 0.07-0.76 0.02 0.14-0.94 0.02 Snow 12hr MM MM MM Rain shwrs NM IS IS SC NM IS IS IS NM NM IS IS IS Tstms IS IS IS IS IS Heat index 82 85 88 82 85 88 82 Max heat 103 90 107 105 89 106 105 90 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 69 84 69 84 70 84 70 84 Temp 84 74 70 78 84 74 70 78 84 74 70 78 84 74 70 78 84 74 Dewpt 71 70 68 69 71 69 67 68 70 69 67 68 71 69 68 69 67 68 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 60 30 60 10 50 10 60 10 60 Rain shwrs NM NM SC IS NM IS IS IS SC SC IS IS NM NM IS IS IS NM Tstms IS IS IS IS IS IS IS IS $$ PRZ010-200800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 73 81 75 89 93 66 72 81 75 89 93 66 73 81 Temp 84 78 75 73 75 82 87 89 84 78 75 73 74 82 87 89 84 78 75 73 75 82 Dewpt 74 73 71 70 69 71 73 74 74 73 71 69 68 71 72 74 74 73 72 70 70 72 RH 72 85 87 90 82 69 63 61 72 85 87 87 82 69 61 61 72 85 90 90 84 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 9 9 8 6 8 8 9 9 8 8 8 6 6 6 8 8 8 8 8 6 6 Wind gust 23 20 23 23 24 20 21 25 21 19 24 24 24 21 21 19 19 18 23 19 21 Clouds B1 SC SC FW CL CL CL B1 B2 SC SC CL CL SC SC B2 B2 SC SC SC SC FW PoP 12hr 30 70 30 6030 QPF 12hr 0.00-0.08 0.04-0.76 0.03 0.10-1.03 0.01-0.07 Snow 12hr MM MM MM Rain shwrs NM SC IS NM NM SC IS IS IS NM NM IS IS IS Tstms IS IS IS IS IS Heat index 92 87 95 99 92 86 94 98 92 87 Max heat 108 87 93 110 109 87 92 109 108 87 93 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 73 89 73 89 73 89 73 89 Temp 89 78 73 82 89 78 73 82 89 78 74 82 89 78 74 82 89 78 Dewpt 75 73 71 72 75 73 70 71 74 73 70 71 75 73 71 72 70 70 PWind dir E E E E E E E E E Wind char LT GN LT LT LT GN GN GN GN Avg clouds SC B2 B1 SC SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B2 PoP 12hr 60 40 60 20 50 20 60 20 60 Rain shwrs NM SC SC SC NM NM IS IS SC SC IS IS NM NM IS IS IS SC Tstms IS IS IS IS IS IS IS IS $$ PRZ011-200800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 74 81 83 90 93 72 74 81 83 90 93 72 74 81 Temp 86 80 77 75 76 84 88 90 86 79 77 75 76 84 89 90 86 80 77 75 76 84 Dewpt 71 72 70 70 69 70 71 72 72 72 71 69 67 69 70 70 71 71 71 70 69 70 RH 61 77 79 84 79 63 57 56 63 79 82 82 74 61 54 52 61 74 82 84 79 63 Wind dir SE E E E E E E SE SE E E E E E SE SE E E E E E E Wind spd 17 13 11 10 8 10 17 16 16 16 9 8 10 12 16 16 11 12 10 9 8 10 Wind gust 34 29 25 24 23 34 33 32 34 23 23 25 32 33 26 27 25 20 23 Clouds SC FW FW FW CL FW FW SC SC SC FW FW FW SC SC SC SC SC SC SC SC FW PoP 12hr 5 30 30 30 10 QPF 12hr 0 0.04-0.46 0.01-0.08 0.09-0.50 0.02 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS Heat index 92 83 88 95 98 92 82 87 94 96 92 82 88 Max heat 101 87 90 102 101 87 89 102 101 87 90 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 74 90 74 91 74 91 74 90 Temp 90 80 75 84 90 79 74 84 91 80 75 84 91 80 75 84 90 80 Dewpt 73 73 71 71 71 72 70 70 72 72 69 70 72 72 70 70 71 71 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC B1 SC SC SC B1 SC FW SC B1 SC SC FW B1 SC SC SC B1 PoP 12hr 40 20 40 10 40 30 40 20 40 Rain shwrs SC SC IS IS IS IS IS IS SC SC IS IS SC SC IS IS SC SC $$ PRZ012-200800- Culebra- Including the city of Culebra 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 79 81 83 86 91 75 78 81 83 86 91 75 79 81 Temp 84 81 80 79 79 83 85 86 84 81 80 78 79 83 85 86 84 81 80 79 79 83 Dewpt 74 73 73 73 73 73 73 73 73 73 72 73 72 73 73 73 74 73 73 73 73 74 RH 72 77 79 82 82 72 67 65 70 77 77 85 79 72 67 65 72 77 79 82 82 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 20 20 23 20 20 20 19 18 18 19 18 19 19 17 17 17 18 19 19 19 19 19 Clouds B1 B1 B1 SC SC SC SC B2 B2 SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 40 50 50 50 40 QPF 12hr 0.10 0.22 0.10 0.16 0.12 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS IS IS SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC Heat index 91 86 83 81 82 89 92 93 90 85 82 80 82 89 92 94 91 86 83 81 82 89 Max heat 99 87 93 99 98 87 92 99 98 87 93 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 79 86 79 86 79 86 79 86 Temp 86 81 79 83 86 81 79 83 86 81 79 83 86 81 79 83 86 81 Dewpt 74 74 73 74 74 73 73 73 74 74 73 74 74 74 74 74 72 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B2 B2 PoP 12hr 40 40 50 40 40 50 50 50 60 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC NM NM Tstms IS IS $$ PRZ013-200800- Vieques- Including the city of Vieques 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 77 81 86 74 77 81 86 74 77 81 Temp 83 80 78 77 78 82 85 86 83 80 78 77 78 82 85 86 83 80 78 77 78 82 Dewpt 72 72 72 72 72 73 72 72 72 72 71 72 71 73 72 72 72 73 72 72 73 73 RH 70 77 82 85 82 74 65 63 70 77 79 85 79 74 65 63 70 79 82 85 85 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 19 20 21 20 20 20 20 18 17 18 18 19 18 16 17 16 17 19 19 18 18 19 Clouds B1 B1 B1 B1 B1 B1 SC B2 B2 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 40 50 50 40 50 QPF 12hr 0.11-0.18 0.24 0.09 0.10 0.14 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 89 83 87 91 92 89 83 87 91 92 89 83 88 Max heat 95 87 89 96 94 87 89 96 95 87 90 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 77 86 77 86 77 86 77 86 Temp 86 80 77 82 86 80 77 82 86 80 77 82 86 8077 82 86 80 Dewpt 73 73 73 73 73 72 72 73 73 73 73 73 73 73 73 74 72 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B2 B1 B2 B2 B2 PoP 12hr 50 40 50 40 50 50 50 60 60 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC NM NM NM Tstms IS IS IS $$ VIZ001-200800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna's Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 78 81 83 85 90 72 77 81 83 85 90 72 78 81 Temp 83 80 79 78 78 82 84 85 83 80 78 77 78 82 84 85 83 80 79 78 78 82 Dewpt 73 72 72 73 72 72 72 72 72 71 71 72 72 72 72 72 73 72 72 72 72 73 RH 72 77 79 85 82 72 67 65 70 74 79 85 82 72 67 65 72 77 79 82 82 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 20 20 21 21 21 21 20 18 20 18 18 21 18 18 18 17 18 18 20 19 19 19 Clouds SC B1 SC SC FW FW B1 B1 B1 CL FW SC SC B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 30 40 40 40 30 QPF 12hr 0.05 0.12-0.17 0.03-0.08 0.11 0.09 Snow 12hr MM MM MM Rain shwrs IS SC IS IS IS SC SC SC IS IS IS SC SC SC SC SC SC SC SC SC Heat index 88 83 81 80 87 90 90 88 83 80 87 90 91 88 84 81 80 87 Max heat 97 87 91 97 97 86 91 97 97 87 91 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 78 85 78 85 78 85 78 85 Temp 85 80 78 82 85 80 78 82 85 80 78 82 85 80 78 82 85 80 Dewpt 72 73 73 73 72 72 72 73 73 73 73 73 73 73 73 74 71 72 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC B1 SC SC SC SC SC B1 B2 B1 B1 B1 B1 B2 PoP 12hr 30 20 50 30 30 50 50 40 60 Rain shwrs SC IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC NM NM Tstms IS IS $$ VIZ002-200800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Tue May 19 2026 Date 05/19/26 Wed 05/20/26 Thu 05/21/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 77 81 83 86 93 74 77 81 83 86 93 74 77 81 Temp 83 80 78 77 78 82 85 86 83 80 78 77 78 82 85 86 83 80 78 77 78 82 Dewpt 73 73 73 73 72 73 73 73 72 72 72 72 72 73 73 73 73 73 73 72 73 73 RH 72 79 85 87 82 74 67 65 70 77 82 85 82 74 67 65 72 79 85 85 85 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 19 19 19 18 18 18 19 17 17 16 17 18 14 17 17 17 17 17 17 16 16 17 Wind gust 29 28Clouds SC SC SC SC SC SC SC B1 B1 FW FW FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 20 40 10 30 40 QPF 12hr 0.08 0.13 0.01-0.06 0.06 0.07 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS SC SC IS IS IS IS IS SC SC IS IS SC SC IS Heat index 89 83 87 91 92 89 83 87 91 93 89 84 88 Max heat 101 87 93 101 100 87 93 102 101 87 94 Date 05/22 Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 77 86 77 86 77 86 77 86 Temp 86 80 77 82 86 80 77 82 86 80 77 82 86 80 77 82 86 80 Dewpt 73 73 73 73 73 73 72 73 73 73 73 74 74 74 73 74 72 72 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC B1 SC B1 B1 SC SC B1 B1 B1 B1 B1 B2 B2 PoP 12hr 30 30 30 40 40 40 40 60 60 Rain shwrs IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC NM NM NM Tstms IS IS IS $$