FOCA52 TJSJ 230632 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 AM AST Sun Aug 23 2026 PRZ001-232000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 AM AST Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 93 81 94 81 94 Temp 81 88 92 93 89 85 83 82 82 89 93 94 90 85 83 82 82 89 93 94 90 85 Dewpt 74 74 75 76 76 77 77 76 76 76 76 76 76 77 77 76 76 76 76 77 76 77 RH 79 63 58 58 66 77 82 82 82 66 58 56 64 77 82 82 82 66 58 58 64 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 9 9 14 16 14 11 10 9 9 11 13 16 13 10 10 9 6 10 14 17 13 9 Clouds SC SC SC SC SC CL FW SC SC SC SC FW FW CL CL FW FW SC SC B1 B1 B2 PoP 12hr 30 40 30 30 50 QPF 12hr 0.14 0.06 0.10 0.03 0.52 Rain shwrs C C C S C S C C C C S S S S C C C C L Tstms S S S Heat index 87 97104106101 95 92 89 90101105107102 96 93 89 90101106108102 96 Max heat 97 106 105 94 101 107 106 95 101 108 107 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 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 81 93 81 93 80 93 81 92 Temp 82 88 93 85 82 88 93 84 81 88 93 85 82 88 92 85 Dewpt 76 76 76 76 76 75 76 76 75 75 76 76 76 76 76 77 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 SC SC B1 B1 SC SC SC SC SC B1 SC B1 B2 B1 PoP 12hr 50 40 40 30 30 50 50 50 Rain shwrs L L C C C C C C C C C C C C C C Tstms S S S S $$ PRZ002-232000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 AM AST Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 82 91 82 91 Temp 83 88 90 91 88 85 84 83 83 88 90 91 88 85 84 83 83 88 90 91 88 85 Dewpt 74 75 76 77 77 77 77 76 76 77 77 77 77 77 77 76 76 76 77 77 77 77 RH 74 66 64 64 70 77 80 80 80 70 66 64 70 77 80 80 80 68 66 64 70 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 11 12 13 13 12 11 11 11 12 12 13 12 11 10 11 10 11 11 13 13 12 10 Clouds SC SC SC B2 SC CL SC SC SC SC SC FW FW CL FW SC SC B1 B1 B1 B1 B2 PoP 12hr 60 40 30 40 50 QPF 12hr 0.32 0.07 0.11 0.04 0.52 Rain shwrs C C C L C S C C C C S S S S S C C C C L Tstms S S S S Heat index 89 98102104101 96 93 90 91 99103104100 95 93 90 91 99103104101 96 Max heat 98 104 103 95 99 104 103 94 99 104 104 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 82 91 82 90 82 90 82 90 Temp 83 88 91 85 83 87 90 85 82 87 90 85 82 87 90 85 Dewpt 77 77 77 77 76 76 76 76 75 76 76 77 76 76 77 77 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 SC SC B1 B1 SC SC SC SC SC B1 B2 B2 B1 B1 PoP 12hr 50 40 40 30 30 50 50 50 Rain shwrs L L C C C C C C C C C C C C C C Tstms S S S S S $$ PRZ007-232000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 AM AST Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 92 79 92 79 91 Temp 79 87 91 92 88 83 81 80 80 87 91 92 88 83 81 80 80 86 90 91 87 83 Dewpt 70 70 72 74 74 75 73 73 72 70 73 73 73 74 73 72 71 71 71 74 74 75 RH 74 57 54 56 63 77 77 79 77 57 56 54 61 74 77 77 74 61 54 58 65 77 Wind dir NE E SE SE SE E NE NE NE E SE SE SE E E E NE E E SE E E Wind spd 4 4 14 13 13 9 6 6 5 9 14 14 13 9 5 4 5 5 13 13 11 9 Wind gust 24 25 25 24 Clouds CL CL FW SC SC FW CL CL CL CL CL CL FW CL CL CL CL CL CL SC SC CL PoP 12hr 20 10 10 5 20 QPF 12hr 0.07 0.01 0.10 0 0.02 Rain shwrs S S S S S S S Heat index 82 92 99101 97 91 87 84 84 92 99101 96 90 87 83 84 92 97100 96 90 Max heat 92 101 101 89 92 101 100 88 92 100 100 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 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 79 93 79 92 78 91 78 91 Temp 80 88 93 84 80 87 92 83 79 86 91 82 79 86 91 82 Dewpt 74 71 71 71 71 72 70 71 70 69 73 73 74 72 72 74 PWind dir E E NE E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds CL CL FW FW CL CL FW SC FW FW FW SC SC SC SC SC PoP 12hr 0 10 0 20 5 10 20 20 Rain shwrs S S S S S S S S S S S S $$ PRZ008-232000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 AM AST Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 78 90 78 90 Temp 78 85 89 90 86 82 80 79 79 85 89 90 86 82 80 79 79 85 89 90 86 81 Dewpt 73 75 77 77 77 78 78 76 75 77 78 78 78 78 78 76 75 77 79 79 78 78 RH 85 72 68 66 75 88 94 91 88 77 70 68 77 88 94 91 88 77 73 70 77 91 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 9 8 11 14 14 8 12 10 12 8 16 14 14 12 12 11 10 8 12 10 3 Clouds CL CL CL SC B2 SC FW CL CL CL CL FW SC SC CL CL CL FW FW B1 B1 SC PoP 12hr 70 30 50 40 40 QPF 12hr 0.48 0.020.23 0.03 0.44 Rain shwrs C L C S S C C C C S Tstms S S S S S Heat index 94101103 98 91 88 83 96104105 99 91 88 83 96104105 99 90 Max heat 94 103 102 90 96 105 104 90 96 105 104 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 90 78 89 77 89 77 89 Temp 78 85 90 82 79 85 89 81 78 84 89 81 78 84 89 82 Dewpt 75 77 78 77 75 77 77 77 75 76 77 77 75 77 78 78 PWind dir E NE E E E E E E Wind char LT GN BZ BZ GN GN BZ GN Avg clouds SC FW FW SC FW FW FW SC FW FW FW SC FW FW SC SC PoP 12hr 10 10 5 20 0 30 10 40 Rain shwrs S S S S S S S S S C C $$ PRZ010-232000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 AM AST Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 94 77 94 76 94 Temp 77 87 93 94 89 83 80 78 79 88 93 94 88 82 79 77 78 87 93 94 88 82 Dewpt 73 75 77 78 79 78 77 76 75 77 78 79 79 78 77 75 75 77 79 79 79 78 RH 87 68 60 60 73 85 91 94 88 70 62 62 75 88 94 94 91 72 64 62 75 88 Wind dir NE E E W E E E E E E E W E E E E E E E E NE E Wind spd 4 4 1 8 6 8 5 4 3 4 2 3 1 3 8 6 4 3 2 8 4 2 Clouds CL CL CL SC B2 SC FW CL CL CL CL SC B2 SC CL CL CL CL CL B2 B2 SC PoP 12hr 70 20 70 20 60 QPF 12hr 0.49 0.02 0.33 0.01 0.79 Rain shwrs C L S S C L S L L S Tstms S S S S S Heat index 96106110103 92 87 100109110104 91 84 99110112104 91 Max heat 96 110 110 90 100 110 110 89 99 112 111 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 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 94 76 94 76 94 77 94 Temp 77 87 94 82 77 87 94 82 77 87 94 83 78 88 94 83 Dewpt 75 77 79 77 75 76 79 77 74 76 79 77 75 77 80 78 PWind dir E NE NE E E NE E NE Wind char LT LT GN LT LT LT LT LT Avg clouds SC FW SC B1 SC FW SC B1 SC FW SC SC CL CL SC B1 PoP 12hr 10 60 10 60 5 60 0 60 Rain shwrs S S L L S S L L S S C C L L Tstms S S S S S S S S $$ VIZ001-232000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 AM AST Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 83 93 82 93 Temp 84 87 90 90 88 85 84 83 84 89 92 93 90 86 84 83 83 89 92 93 90 86 Dewpt 70 72 73 72 7273 73 73 72 74 73 72 73 72 73 73 72 73 73 73 73 73 RH 63 61 58 56 59 67 70 72 67 61 54 51 58 63 70 72 70 59 54 52 58 65 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 17 18 17 16 16 18 19 18 17 17 17 16 14 16 18 16 17 17 17 16 17 16 Clouds FW FW FW SC SC FW SC SC SC SC SC CL CL FW SC SC SC SC SC SC SC B2 PoP 12hr 50 40 40 40 50 QPF 12hr 0.21 0.07 0.10 0.07 0.10 Rain shwrs S S S C C S C S C C C S C S S C C S S C Tstms S S Heat index 88 94 97 97 95 92 90 89 90 98101101 98 92 91 88 88 97101102 98 93 Max heat 94 97 97 92 98 101 101 91 97 102 101 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 83 91 83 90 83 93 83 91 Temp 84 88 91 86 83 87 90 85 83 89 93 86 84 88 91 86 Dewpt 73 72 72 73 71 72 71 72 72 72 72 72 73 73 72 72 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B2 B1 FW SC SC SC SC FW CL FW SC SC B1 B1 B1 SC PoP 12hr 50 30 30 10 10 40 40 40 Rain shwrs C C S C C C S S S S C C C C S Tstms S S $$ VIZ002-232000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 AM AST Sun Aug 23 2026 Date Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 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 91 81 91 81 91 Temp 82 87 90 91 88 84 83 82 82 87 90 91 88 84 83 82 82 87 90 91 88 84 Dewpt 75 77 77 77 77 77 77 77 76 77 77 77 77 77 77 77 76 77 77 77 77 77 RH 79 72 66 64 70 80 82 85 82 72 66 64 70 80 82 85 82 72 66 64 70 80 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 16 17 17 14 16 14 16 16 14 17 17 16 14 13 14 13 12 16 17 17 17 16 Clouds SC SC FW FW SC SC SC SC SC FW CL CL CL CL SC FW FW B1 B1 SC SC B2 PoP 12hr 20 30 10 40 50 QPF 12hr 0.05 0.04 0.07 0.06 0.10 Rain shwrs S S S S S S C S S S C S S C C S S C Tstms S Heat index 89 98103104 99 94 92 89 90 99103104 99 94 92 89 90 99103104100 95 Max heat 98 104 103 93 99 104 103 93 99 104 103 Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26 Sat 08/29/26 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 81 91 81 91 81 91 81 91 Temp 82 87 91 84 82 87 91 84 82 87 91 84 82 87 91 84 Dewpt 77 77 76 77 76 76 76 76 75 76 77 77 77 77 77 77 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B2 B1 SC SC SC SC SC SC SC SC SC B1 B2 B1 SC SC PoP 12hr 50 30 30 10 10 50 50 30 Rain shwrs C C S C C C S S S S C C C C C C Tstms S S SS S $$