FOCA52 TJSJ 200632 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 AM AST Wed May 20 2026 PRZ001-202000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 AM AST Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 75 89 75 90 Temp 77 83 87 89 85 80 77 75 77 83 87 89 85 80 77 75 77 84 88 90 86 81 Dewpt 71 72 72 71 70 71 71 70 70 70 70 70 71 72 72 71 71 71 72 72 72 72 RH 82 70 61 56 61 74 82 84 79 65 57 54 63 77 85 87 82 65 59 56 63 74 Wind dir E E E E E E E E SE E E E E E E E E E E E E E Wind spd 9 12 17 18 14 12 11 11 11 11 17 17 14 12 11 10 10 11 16 18 14 11 Clouds B2 B1 SC B1 SC SC FW SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 40 40 40 50 50 QPF 12hr 0.08 0.11 0.20 0.13 0.21 Rain shwrs L C S C S S S C C S S C C C C C C C C C S Heat index 88 94 95 90 83 87 92 95 90 83 89 95 97 92 85 Max heat 88 95 94 87 95 94 89 97 96 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 90 76 89 75 90 76 89 Temp 76 84 90 81 76 84 89 80 75 84 90 81 76 84 89 80 Dewpt 72 72 72 72 71 71 71 72 71 72 72 72 72 72 73 73 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 20 50 40 50 50 50 60 60 Rain shwrs S S C C C C C C C C C C C L L L Tstms S S S $$ PRZ002-202000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 AM AST Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 77 87 77 87 Temp 78 82 85 86 83 80 78 77 78 83 86 87 84 80 79 77 78 83 86 87 84 80 Dewpt 72 73 73 73 73 72 72 72 71 72 73 73 73 73 73 73 72 73 74 74 73 73 RH 82 74 67 65 72 77 82 85 79 70 65 63 70 79 82 87 82 72 68 65 70 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 17 17 16 16 13 13 14 12 13 16 14 14 13 14 13 12 13 14 14 12 11 Clouds B2 B2 SC B1 SC SC SC SC B1 B1 B1 SC B1 B2 B2 B2 B2 B2 B2 SC SC B1 PoP 12hr 50 50 50 50 50 QPF 12hr 0.16 0.10 0.27 0.18 0.17 Rain shwrs L C C C S S S S C C C C C C C C C C C C C C Heat index 88 92 93 89 84 88 93 94 91 85 89 94 95 91 85 Max heat 88 93 93 83 88 94 94 84 89 95 94 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 87 77 87 77 87 77 87 Temp77 83 87 80 77 83 87 80 77 83 87 80 77 83 87 80 Dewpt 73 73 74 73 72 73 73 73 73 73 74 74 73 74 75 75 PWind dir E E E E E E E E Wind char GN GN GN BZ GN BZ GN GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 40 40 40 60 60 60 60 60 Rain shwrs C C C C C C C L L L C L L L L L Tstms S S S S S S S S $$ PRZ007-202000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 AM AST Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 75 89 75 89 Temp 77 83 87 88 84 79 77 75 77 83 87 89 85 80 77 75 77 83 87 89 85 80 Dewpt 68 68 68 69 67 69 68 67 68 66 69 70 70 70 70 69 70 69 70 71 71 70 RH 74 61 53 54 57 72 74 76 74 57 55 54 61 72 79 82 79 63 57 56 63 72 Wind dir NE E E E E E NE NE NE E SE SE SE E E E E E SE SE E E Wind spd 5 9 16 17 14 10 6 5 10 9 16 16 14 10 8 5 8 10 16 16 13 9 Wind gust 27 28 25 27 26 26 26 Clouds B1 B1 B1 B1 SC SC SC FW FW B1 SC SC SC SC SC SC SC SC SC B1 B1 SC PoP 12hr 50 40 40 30 30 QPF 12hr 0.21 0.04 0.09 0.05 0.14 Rain shwrs C C C C S S S C C S S S S S S C C C C S Heat index 86 90 92 87 82 86 92 94 90 83 87 92 95 90 83 Max heat 86 92 91 86 94 94 87 95 95 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 89 75 89 75 89 75 89 Temp 75 83 89 80 75 83 89 80 75 83 89 80 75 83 89 80 Dewpt 70 70 71 70 69 68 70 70 70 69 70 70 69 69 72 71 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC FW SC SC SC SC B1 SC SC SC B1 SC SC B1 SC PoP 12hr 10 20 20 40 20 40 30 40 Rain shwrs S S S S S S C C S S C C S C C C $$ PRZ008-202000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 AM AST Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 73 86 74 86 Temp 75 81 85 86 82 77 75 73 75 81 85 86 83 78 76 74 75 81 85 86 83 78 Dewpt 69 72 74 75 75 74 72 70 68 71 72 74 74 75 73 71 69 72 74 75 75 75 RH 82 74 70 70 79 90 90 90 79 72 65 68 74 91 90 90 82 74 70 70 77 91 Wind dir E E E E E E E E E E E NE E E E E E E E E E E Wind spd 11 12 14 23 19 18 16 11 12 13 10 18 17 9 8 13 11 12 13 16 17 17 Clouds SC SC FW OV B2 SC FW FW SC CL CL B2 B2 B1 B1 FW FW SC SC B2 B2 B1 PoP 12hr 80 30 70 40 70 QPF 12hr 1.02 0.02 0.90 0.04 0.72 Rain shwrs S S D L C S L L C C S S S S L L C Tstms S S SS S S Heat index 85 92 95 89 84 90 94 89 85 92 95 90 Max heat 85 95 94 84 94 94 85 95 94 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 86 74 86 74 86 75 86 Temp 74 81 86 78 74 81 86 78 74 81 86 79 75 81 86 79 Dewpt 72 73 75 74 71 72 74 73 71 72 75 74 72 73 76 75 PWind dir E E E E E E E E Wind char GN BZ BZ BZ BZ BZ BZ BZ Avg clouds SC FW SC B1 SC SC SC B1 SC SC B1 B2 B1 SC SC B2 PoP 12hr 30 50 20 60 20 60 40 60 Rain shwrs C S C C S S L L S S L L C C L L Tstms S S S S S S $$ PRZ010-202000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 AM AST Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 72 90 72 91 Temp 74 83 88 90 85 78 75 73 74 83 88 90 85 78 75 73 74 83 89 91 86 78 Dewpt 70 72 74 75 75 74 72 70 69 72 73 74 74 74 73 71 70 72 74 76 76 75 RH 87 70 63 62 72 88 90 90 84 70 61 60 70 88 94 93 87 70 61 62 72 91 Wind dir E E E E E NE E E E E S NW NE E E E E E E E E E Wind spd 5 5 3 6 2 6 8 6 4 5 3 9 3 3 9 5 5 4 3 4 3 3 Clouds FW SC SC B2 B2 SC FW FW FW CL CL B2 B2 SC SC CL CL FW FW B2 B2 B1 PoP 12hr 60 20 70 30 60 QPF 12hr 0.82 0.01 0.76 0.02 0.72 Rain shwrs S S L L S L L C C L L C Tstms S S S S S S Heat index 88 97101 93 88 96 99 93 89 98103 96 Max heat 88 101 100 88 99 99 89 103 102 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 91 72 91 72 91 73 91 Temp 73 83 91 78 73 83 91 78 73 83 91 79 74 84 91 79 Dewpt 71 73 76 74 71 72 75 73 71 72 76 74 72 73 77 75 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC CL SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B2 PoP 12hr 50 60 10 60 20 60 20 60 Rain shwrs C L L S S L L S S L L S S L L Tstms S S S S S S S S $$ VIZ001-202000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 AM AST Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 75 89 75 88 Temp 78 84 88 90 86 80 77 75 77 83 87 89 85 80 77 75 77 83 87 88 84 79 Dewpt 73 73 73 73 72 72 72 71 71 72 73 73 73 73 73 73 73 73 73 73 73 73 RH 85 70 61 58 63 77 85 87 8270 63 59 67 79 87 94 87 72 63 61 70 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 21 21 21 19 21 19 19 20 17 19 19 19 19 20 20 20 19 18 18 16 16 17 Clouds B1 B1 SC SC FW FW SC SC FW B1 SC B1 SC SC SC B1 B1 B1 B1 SC SC SC PoP 12hr 40 40 40 30 30 QPF 12hr 0.06 0.05 0.14 0.09 0.09 Rain shwrs C C S S C S C C C C C C C C C C S S S Heat index 91 96 98 92 84 89 95 97 92 84 88 94 96 91 83 Max heat 91 98 97 82 89 97 96 88 96 95 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 88 76 87 75 88 76 88 Temp 75 83 88 80 76 82 87 79 75 83 88 80 76 83 88 80 Dewpt 73 73 73 73 73 73 73 73 73 74 74 75 75 75 75 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 SC B1 B2 B2 B2 B1 B1 B1 B2 B2 B2 B2 PoP 12hr 20 40 50 50 50 60 60 60 Rain shwrs S S C C C C C C C C C L L L L L Tstms S S S S S $$ VIZ002-202000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 AM AST Wed May 20 2026 Date Wed 05/20/26 Thu 05/21/26 Fri 05/22/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 88 76 88 Temp 78 84 88 89 85 80 78 76 77 83 87 88 85 80 78 76 77 83 87 88 85 80 Dewpt 72 73 73 73 72 72 72 71 71 72 73 73 73 73 73 72 72 73 73 74 73 73 RH 82 70 61 59 65 77 82 85 82 70 63 61 67 79 85 87 85 72 63 63 67 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 19 20 20 19 19 18 18 14 16 18 19 18 17 17 18 17 16 18 18 16 16 16 Clouds B2 B1 SC SC SC SC FW FW FW SC CL SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 40 10 30 40 30 QPF 12hr 0.04 0.01 0.09 0.07 0.06 Rain shwrs C C S S S S S C C S S C C S S S S C Heat index 90 95 97 92 84 89 94 96 91 84 89 94 96 91 84 Max heat 90 97 96 83 89 96 95 83 89 96 95 Date Sat 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue 05/26/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 88 76 88 76 88 76 88 Temp 76 83 88 80 76 83 88 80 76 83 88 80 76 83 88 80 Dewpt 73 73 74 73 72 73 73 73 73 74 74 74 73 75 75 74 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC B1 B1 B1 B2 B1 SC B1 B2 B2 B2 B1 PoP 12hr 30 30 50 50 50 50 60 60 Rain shwrs C S C C C C C C C C C C C L L L Tstms S S S $$