FOCA52 TJSJ 221832 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 PM AST Sat Aug 22 2026 PRZ001-230800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 PM AST Sat Aug 22 2026 Date 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 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 80 93 81 93 81 Temp 88 84 82 81 81 88 92 93 89 85 83 82 82 88 92 93 89 85 83 82 82 88 Dewpt 75 75 75 75 74 74 74 76 76 76 77 76 76 76 76 77 76 77 77 76 76 76 RH 66 74 79 82 79 63 56 58 66 75 82 82 82 68 60 60 66 77 82 82 82 68 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 10 10 9 9 11 13 17 14 10 10 9 10 10 14 17 14 11 10 8 5 9 Clouds SC FW CL FW SC B2 SC SC SC FW FW B1 SC SC SC SC SC FW FW FW FW SC PoP 12hr 60 60 40 20 30 QPF 12hr 0.08 0.13 0.08 0.16 0.04 Rain shwrs C S S C L C S C C C S S S S S S S S C Heat index 98 92 89 86 87 97102106100 95 92 89 89100105107101 95 92 89 90100 Max heat 103 91 97 106 105 94 100 107 106 94 100 Date 08/25 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 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 93 80 93 81 92 80 90 81 92 Temp 93 84 81 88 93 85 82 88 92 84 81 86 90 84 82 88 92 84 Dewpt 77 77 76 76 76 76 75 75 75 76 75 75 76 76 76 76 74 76 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 B2 B2 SC SC B1 B1 SC SC SC SC SC SC SC B1 B1 SC PoP 12hr 50 50 40 40 20 20 30 50 50 Rain shwrs C L L L C C C C S S S S C C C C C C Tstms S S S S S S $$ PRZ002-230800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 PM AST Sat Aug 22 2026 Date 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 90 82 90 82 Temp 88 85 84 82 83 87 90 90 88 85 84 82 83 87 90 90 88 85 84 82 83 87 Dewpt 75 75 75 74 74 75 75 76 77 77 76 76 76 77 77 77 77 77 76 76 76 77 RH 66 72 74 77 74 68 62 64 70 77 77 82 80 72 66 66 70 77 77 82 80 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 10 11 12 10 12 13 13 13 11 12 11 11 12 13 13 12 11 11 9 9 11 Clouds B2 CL CL SC SC B2 SC B2 B1 FW FW B1 SC SC SC SC SC FW FW SC SC B1 PoP 12hr 60 60 40 30 40 QPF 12hr 0.09 0.23 0.07 0.23 0.05 Rain shwrs C S C L S L C C C S S C C S S S S C Tstms S Heat index 97 93 91 89 89 96100102 99 94 92 90 91 98102103100 95 92 90 91 98 Max heat 101 92 96 102 102 94 98 103 103 94 98 Date 08/25 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 82 90 82 90 82 90 82 90 Temp 90 85 82 87 90 85 82 87 90 85 82 87 90 85 82 87 90 85 Dewpt 77 77 76 77 77 77 76 75 76 76 75 76 76 77 76 76 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 B1 B2 B2 SC SC B1 B1 SC SC SC SC SC B1 B2 B2 B1 SC PoP 12hr 50 50 40 40 20 20 50 50 50 Rain shwrs C L L L C C C C S S S S C C C C C C Tstms S S S S S S $$ PRZ007-230800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 PM AST Sat Aug 22 2026 Date 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 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 77 91 78 91 79 Temp 87 82 80 78 78 86 90 91 87 82 80 79 79 86 90 91 87 83 81 80 80 86 Dewpt 72 70 69 69 70 70 72 73 73 73 73 72 71 71 72 73 73 72 72 72 70 70 RH 61 67 69 74 76 59 56 56 63 74 79 79 77 61 56 56 63 70 74 77 72 59 Wind dir SE E NE NE NE E SE SE SE E NE NE NE E E SE E E E NE NE E Wind spd 11 9 5 4 6 6 16 13 14 10 5 6 8 9 14 16 13 9 5 4 4 9 Wind gust 27 24 25 26 Clouds B1 CL CL FW SC CL CL SC SC SC FW FW CL CL CL SC SC CL CL CL CL CL PoP 12hr 20 20 10 30 5 QPF 12hr 0.03 0.07 0.02 0.21 0 Rain shwrs C S S S S S C C Heat index 93 85 82 90 98100 94 88 85 82 92 98 99 95 88 86 83 83 91 Max heat 99 84 90 100 99 87 92 99 99 87 91 Date 08/25 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 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 78 91 78 91 78 91 78 91 Temp 90 82 79 86 91 82 79 86 91 82 79 86 91 82 79 86 91 82 Dewpt 74 74 74 74 72 70 72 71 72 72 72 71 73 74 72 73 74 75 PWind dir SE E E NE E NE E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW SC CL CL FW FW CL CL FW SC CL FW FW FW SC SC SC SC PoP 12hr 20 0 10 0 20 0 10 20 30 Rain shwrs S S S S S S S S S C C $$ PRZ008-230800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 PM AST Sat Aug 22 2026 Date 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 89 77 89 78 Temp 85 81 79 78 78 84 88 89 85 81 79 78 78 84 88 89 86 82 80 79 79 85 Dewpt 77 77 76 74 73 75 77 77 77 78 77 76 75 77 78 78 78 78 78 76 76 77 RH 77 88 91 88 85 74 70 68 77 91 94 94 91 80 72 70 77 88 94 91 91 77 Wind dir E E E E E E E E E E E E E E E NE E E E E E E Wind spd 14 17 14 12 9 11 10 13 14 14 8 12 11 10 9 17 17 14 13 12 11 11 Clouds OV SC SC FW CL FW FW SC B2 SC SC FW CL CL CL SC SC FW FW CL CL FW PoP 12hr 40 60 30 20 5 QPF 12hr 0.05 0.31 0.08 0.15 0.01 Rain shwrs L C C S S S C L C C S S S S Tstms S S Heat index 96 88 84 93100101 96 89 84 95102103 98 91 88 83 95 Max heat 101 87 93 101 100 88 95 103 102 90 95 Date 08/25 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 78 89 77 89 77 89 77 89 Temp 89 82 79 85 89 81 78 84 89 81 78 84 89 81 78 84 89 81 Dewpt 78 78 75 77 78 78 75 76 77 77 75 76 78 77 76 77 76 77 PWind dir E E E E E E E E E Wind char GN LT BZ GN BZ GN BZ BZ BZ Avg clouds FW SC SC FW FW SC FW FW FW FW CL CL FW SC FW FW SC SC PoP 12hr 40 10 10 5 0 0 20 10 30 Rain shwrs C C S S S S S S S C C Tstms S S $$ PRZ010-230800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 PM AST Sat Aug 22 2026 Date 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 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 94 76 94 76 Temp 88 81 79 76 77 87 93 94 88 82 79 77 78 87 93 94 88 82 79 77 78 87 Dewpt 78 77 76 74 73 75 76 77 78 77 77 75 75 77 78 79 79 78 77 75 75 77 RH 72 88 91 94 87 68 58 58 72 85 94 94 91 72 62 62 75 88 94 94 91 72 Wind dir E E E E NE E E N NE E NE E E E E NE E E E E E E Wind spd 4 6 5 4 4 4 2 8 5 4 5 4 4 4 4 6 5 3 4 4 5 4 Clouds OV SC FW FW CL CL CL SC OV SC SC CL CL CL CL B2 B2 FW FW CL CL CL PoP 12hr 20 70 20 70 10 QPF 12hr 0.03 0.44 0.05 0.50 0.01 Rain shwrs L S S S C L S S L L S S Tstms S S S S Heat index 102 89 96106109102 90 84 98109109104 91 84 99 Max heat 109 87 96 109 108 88 98 109 109 89 99 Date 08/25 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 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 94 77 94 76 94 76 94 76 94 Temp 94 83 78 88 94 82 77 87 94 82 77 87 94 82 77 87 94 82 Dewpt 79 78 75 77 80 78 75 76 79 77 74 76 79 77 75 77 76 75 PWind dir E E NE E E E NE E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC FW SC B1 SC FW SC SC CL CL FW SC CL CL SC B1 PoP 12hr 60 10 60 10 50 0 40 0 60 Rain shwrs L L S S L L S S C C C C L L Tstms S S S S S S S S S S $$ VIZ001-230800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft232 PM AST Sat Aug 22 2026 Date 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 93 82 91 82 Temp 88 85 84 82 83 89 92 93 90 86 84 83 83 88 90 91 88 85 84 83 83 89 Dewpt 71 71 71 70 69 71 72 72 73 72 73 73 72 72 74 73 73 73 73 72 72 72 RH 57 63 65 67 63 56 52 51 58 63 70 72 70 59 60 56 61 67 70 70 70 57 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 14 16 17 16 16 17 17 16 16 17 19 18 17 18 17 14 16 17 17 16 16 17 Clouds B1 CL CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 50 20 30 30 QPF 12hr 0.06 0.17 0.08 0.23 0.05 Rain shwrs C C S S C C C S S S S S S C C S S S S C Tstms S Heat index 93 89 88 86 87 95100101 97 92 90 88 88 95 99 99 96 92 90 88 89 96 Max heat 95 89 95 101 100 91 95 100 98 91 96 Date 08/25 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 93 82 93 82 93 80 92 82 93 Temp 93 86 83 89 93 86 83 89 93 84 81 87 92 85 83 89 93 84 Dewpt 72 74 74 73 72 73 72 71 72 72 72 72 72 72 73 73 76 75 PWind dir E E E E E E E E E Wind char BZ BZ GN BZ BZ BZ BZ BZ BZ Avg clouds SC SC B2 B1 FW SC SC SC SC SC SC FW FW SC B1 B1 B1 SC PoP 12hr 50 50 30 30 20 10 40 40 40 Rain shwrs C C C C S C C C S S S S S C C C C C Tstms S S S $$ VIZ002-230800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 PM AST Sat Aug 22 2026 Date 08/22/26 Sun 08/23/26 Mon 08/24/26 Tue 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 81 91 81 91 81 Temp 88 84 83 82 82 87 90 91 88 84 83 82 82 87 90 91 88 84 83 82 82 87 Dewpt 75 75 75 75 75 76 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 RH 66 74 77 79 79 70 66 64 70 80 82 85 85 72 66 64 70 80 82 85 85 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 13 14 16 14 14 16 17 16 17 14 17 16 16 16 16 14 14 14 14 13 12 13 Clouds SC FW FW SC SC FW SC FW SC SC SC SC SC SC SC SC SC FW FW FW FW B1 PoP 12hr 40 30 30 30 40 QPF 12hr 0.07 0.11 0.10 0.23 0.04 Rain shwrs S S S C S S C S S S C S S S S C C S S S S C Heat index 97 92 90 88 88 97103104 99 94 92 89 90 99104104 99 94 92 89 90 99 Max heat 101 91 97 104 103 93 99 104 103 93 99 Date 08/25 Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 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 91 81 91 81 91 80 90 81 91 Temp 91 8482 87 91 84 82 87 91 84 81 86 90 84 82 87 91 84 Dewpt 77 77 77 77 76 76 76 76 76 75 76 76 77 77 77 77 76 74 PWind dir E E E E E E E E E Wind char BZ GN BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 SC B2 B1 SC SC SC SC SC SC SC SC FW SC B2 B1 SC SC PoP 12hr 50 50 30 30 20 20 50 50 30 Rain shwrs C C C C S C C C S S S S S C C C C S Tstms S S S $$