FOCA52 TJSJ 081832 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 PM AST Wed Jul 8 2026 PRZ001-090800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 PM AST Wed Jul 8 2026 Date 07/08/26 Thu 07/09/26 Fri 07/10/26 Sat 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 79 91 79 91 79 Temp 87 83 81 79 81 86 90 91 88 83 81 79 81 86 90 91 88 83 81 79 81 86 Dewpt 75 75 75 75 74 75 75 76 76 75 75 74 73 74 74 74 74 74 74 73 73 73 RH 68 77 82 88 79 70 62 62 68 77 82 85 77 68 60 58 63 74 79 82 77 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 16 13 14 14 13 16 19 18 17 13 16 16 13 14 20 20 17 13 13 14 12 16 Clouds SC FW FW SC SC SC SC SC SC CL FW FW CL FW FW SC SC FW FW FW FW SC PoP 12hr 20 20 10 10 5 QPF 12hr 0.05 0.04 0.02 0.03 0.02 Rain shwrs S S S S S S S S S S S S S Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 96 90 87 86 95101103 99 90 87 86 94 99101 97 90 86 86 93 Max heat 102 89 95 103 103 89 94 101 101 88 93 Date 07/11 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 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 78 90 78 91 78 91 78 91 Temp 91 82 79 85 90 82 78 86 91 82 79 86 91 82 79 86 91 82 Dewpt 74 74 73 73 74 74 74 74 75 75 74 75 75 75 74 74 69 70 PWind dir E E E E E E E E E Wind char BZ GN BZ GN BZ GN GN GN GN Avg clouds FW FW SC SC SC SC SC SC SC B1 SC SC SC SC FW FW SC SC PoP 12hr 20 20 20 20 40 30 30 5 10 Rain shwrs S S S S S S S S C C C C C C S S S $$ PRZ002-090800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 PM AST Wed Jul 8 2026 Date 07/08/26 Thu 07/09/26 Fri 07/10/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 89 80 89 80 Temp 87 83 82 80 81 85 88 89 87 83 82 80 81 85 88 89 87 83 82 80 81 85 Dewpt 75 76 75 75 75 75 76 76 76 76 75 74 74 74 74 74 74 75 74 74 74 74 RH 68 80 79 85 82 72 68 66 70 80 79 82 79 70 63 61 65 77 77 82 79 70 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 14 14 17 17 17 18 18 17 17 17 18 17 17 17 18 17 17 14 16 14 14 16 Clouds SC SC SC SC SC SC SC SC SC FW FW FW CL FW FW SC SC FW FW FW FW SC PoP 12hr 30 20 10 10 10 QPF 12hr 0.10 0.05 0.02 0.02 0.02 Rain shwrs S S S C C S S S S S S S S S S S Obvis H H H H H H H H H H H H H H H H H H H H Heat index 96 91 89 85 87 94 99100 98 91 89 84 86 93 97 98 95 90 88 84 86 93 Max heat 100 90 94 100 100 90 93 98 98 90 93 Date 07/11 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 AST 6hrly 14 20 02 08 1420 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 79 89 79 89 80 89 80 89 Temp 89 82 79 85 89 82 79 85 89 83 80 85 89 83 80 85 89 83 Dewpt 74 74 74 74 74 74 74 74 75 75 75 75 75 75 74 74 71 71 PWind dir E E E E E E E E E Wind char BZ GN BZ GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC B1 B2 B1 B1 SC SC SC SC SC PoP 12hr 20 20 20 20 50 50 40 5 20 Rain shwrs S S S S S S S S C C C C C S S S S S $$ PRZ007-090800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 PM AST Wed Jul 8 2026 Date 07/08/26 Thu 07/09/26 Fri 07/10/26 Sat 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 78 91 77 92 77 Temp 88 82 80 79 80 86 90 91 88 82 79 78 79 86 91 92 88 82 80 78 79 87 Dewpt 71 70 70 70 70 69 71 71 71 72 71 69 69 70 68 70 69 69 69 69 68 67 RH 57 67 72 74 72 57 54 52 57 72 77 74 72 59 47 49 54 65 69 74 69 52 Wind dir E E E E E E E SE E E NE E E E E E E E NE E E E Wind spd 18 9 6 8 6 13 18 18 16 10 11 11 10 13 18 17 14 9 8 6 6 10 Wind gust 31 29 29 26 29 29 25 Clouds FW FW FW FW FW FW FW FW FW CL CL CL CL FW CL FW FW FW FW FW FW CL PoP 12hr 0 0 0 0 0 QPF 12hr 0.02 0.01 0 0.02 0.01 Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 94 86 83 83 90 96 98 94 87 91 95 98 92 85 83 90 Max heat 97 86 90 98 96 85 91 98 97 84 90 Date 07/11 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 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 77 92 77 91 77 91 77 91 Temp 93 82 78 86 92 82 78 85 91 82 78 85 91 82 78 85 91 82 Dewpt 68 69 68 68 69 68 68 68 69 71 70 70 71 70 70 68 68 68 PWind dir E NE E NE E E E E E Wind char BZ LT BZ LT GN LT GN LT GN Avg clouds FW FW FW FW FW FW CL FW FW SC SC SC FW FW FW FW FW FW PoP 12hr 5 5 10 0 20 20 5 0 5 Rain shwrs S S S S S S S S S S S S $$ PRZ008-090800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 PM AST Wed Jul 8 2026 Date 07/08/26 Thu 07/09/26 Fri 07/10/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 89 77 89 77 Temp 85 81 79 77 79 84 88 89 86 81 79 77 79 84 88 89 86 81 79 77 78 84 Dewpt 77 77 76 75 74 75 77 78 77 77 76 75 73 74 76 76 76 76 75 74 74 74 RH 77 88 91 94 85 74 70 70 75 88 91 94 82 72 68 66 72 85 88 90 88 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 23 21 17 13 13 16 18 24 26 25 19 17 14 17 14 20 20 23 19 19 18 17 Clouds SC FW FW FW FW FW FW SC SC FW CL CL CL FW CL FW FW FW FW FW FW CLPoP 12hr 0 10 10 0 0 QPF 12hr 0.02 0.02 0.01 0.02 0.01 Rain shwrs C S S S Obvis H H H H H H H H H H H H H H H H H H H H H Heat index 96 88 92100103 97 88 91 99100 96 87 91 Max heat 102 86 92 103 102 87 91 100 100 86 91 Date 07/11 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 88 76 88 76 88 76 88 Temp 88 81 77 84 88 80 76 83 88 80 76 83 88 80 76 83 88 80 Dewpt 76 75 74 74 76 76 74 74 76 76 75 75 77 77 74 75 72 72 PWind dir E E E E E E E E E Wind char BZ BZ BZ GN BZ BZ BZ GN BZ Avg clouds FW FW FW FW FW FW FW FW SC SC FW FW SC SC FW FW FW SC PoP 12hr 10 5 10 0 40 5 40 5 5 Rain shwrs S S S S C C C C S S S S $$ PRZ010-090800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 PM AST Wed Jul 8 2026 Date 07/08/26 Thu 07/09/26 Fri 07/10/26 Sat 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 92 74 94 75 Temp 88 81 78 76 77 85 91 92 88 80 77 75 77 86 92 94 89 81 78 76 77 86 Dewpt 79 77 75 73 72 75 78 79 78 77 75 73 72 75 76 77 77 76 74 73 73 74 RH 75 88 91 90 85 72 66 66 72 91 94 94 85 70 60 58 68 85 88 90 87 68 Wind dir E E E E E E E E E E E E E E E NE N E E E E E Wind spd 6 4 6 6 8 6 3 3 5 9 6 5 5 5 5 10 8 10 9 11 8 8 Clouds OV SC FW FW FW FW FW B1 SC CL CL CL CL FW CL SC SC FW FW FW FW CL PoP 12hr 10 40 0 30 0 QPF 12hr 0.03 0.06 0.01 0.05 0.01 Rain shwrs D S C S C C Tstms S Obvis H H H H H H H H H H H H H H H H H H Heat index 103 88 94106109102 87 95105109102 87 94 Max heat 108 86 94 109 106 95 109 107 85 94 Date 07/11 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 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 74 92 74 92 74 92 74 92 Temp 93 80 75 85 92 80 75 85 92 80 75 85 92 80 75 85 92 80 Dewpt 77 75 72 74 77 75 73 74 77 76 73 75 78 77 73 75 71 70 PWind dir NE E E E E E NE E E Wind char LT GN LT LT LT GN GN LT GN Avg clouds FW SC FW FW SC SC FW FW SC B1 FW FW FW SC FW FW FW SC PoP 12hr 20 5 30 0 50 5 40 5 30 Rain shwrs S S C C C C C C S S C C $$ VIZ001-090800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 PM AST Wed Jul 8 2026 Date 07/08/26 Thu 07/09/26 Fri 07/10/26 Sat AST 3hrly 17 20 23 02 05 08 11 1417 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 91 82 91 82 Temp 89 85 84 82 83 87 90 91 89 85 84 82 83 87 90 91 89 85 84 82 83 87 Dewpt 76 76 75 76 75 75 75 75 75 76 75 74 74 74 74 75 75 75 74 74 74 74 RH 66 75 74 82 77 68 62 60 64 75 74 77 74 65 60 60 64 72 72 77 74 65 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 18 21 21 24 23 23 20 21 21 23 21 24 21 23 23 19 23 21 21 21 21 20 Clouds SC FW SC SC SC SC SC SC SC CL FW CL FW SC CL SC SC FW FW FW FW CL PoP 12hr 10 10 10 10 0 QPF 12hr 0.03 0.03 0.01 0.02 0.01 Rain shwrs S S S S S S S S S S S S S Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 100 94 92 89 90 96101102 99 94 92 88 90 95 99102 99 94 91 88 90 95 Max heat 103 94 96 102 102 94 95 102 102 94 95 Date 07/11 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 81 91 81 91 82 91 82 91 Temp 91 84 81 87 91 84 81 87 91 85 82 87 91 85 82 87 91 85 Dewpt 74 74 74 74 74 74 74 75 75 75 75 75 75 75 75 74 69 71 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW FW SC SC SC SC SC SC SC SC B1 B1 SC SC FW FW FW FW PoP 12hr 10 20 20 20 40 40 30 5 5 Rain shwrs S S S S S S S S C C C C S S S S $$ VIZ002-090800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 PM AST Wed Jul 8 2026 Date 07/08/26 Thu 07/09/26 Fri 07/10/26 Sat 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 79 90 79 90 79 Temp 87 83 81 79 80 86 89 90 87 83 81 79 80 86 89 90 87 83 81 79 80 86 Dewpt 75 75 76 75 75 76 76 76 76 75 75 75 74 75 75 75 75 75 75 74 74 75 RH 68 77 85 88 85 72 66 64 70 77 82 88 82 70 64 62 68 77 82 85 82 70 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 21 23 20 21 20 20 20 21 21 20 20 21 21 20 21 20 20 20 20 21 Clouds SC SC SC SC SC SC SC FW FW CL FW CL FW SC CL SC SC FW FW FW FW CL PoP 12hr 10 10 10 10 0 QPF 12hr 0.03 0.02 0.01 0.02 0.01 Rain shwrs S S S S S S S S S S S S Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 96 90 87 85 96100102 98 90 87 84 95 99101 96 90 87 84 95 Max heat 101 89 96 102 101 89 95 101 99 89 95 Date 07/11 Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 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 79 89 80 89 79 90 79 90 Temp 90 83 79 85 89 83 80 85 89 82 79 86 90 83 79 86 90 83 Dewpt 75 75 74 75 75 75 75 75 75 75 75 75 76 75 75 75 70 71 PWind dirE E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW FW FW FW SC SC SC SC SC B1 B1 SC SC FW FW FW FW FW PoP 12hr 5 10 10 10 40 40 10 5 5 Rain shwrs S S S S S C C C C S $$