FOCA52 TJSJ 090632 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 AM AST Thu Jul 9 2026 PRZ001-092000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 AM AST Thu Jul 9 2026 Date Thu 07/09/26 Fri 07/10/26 Sat 07/11/26 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 79 91 79 91 Temp 81 86 90 91 88 83 81 79 81 86 90 91 88 83 81 79 81 86 90 91 88 83 Dewpt 74 75 75 76 75 75 74 74 73 74 73 74 74 74 74 73 73 73 73 74 74 74 RH 79 70 62 62 66 77 79 85 77 68 58 58 63 74 79 82 77 65 58 58 63 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 12 16 21 24 20 13 17 14 14 16 19 18 17 12 14 14 14 14 17 18 16 12 Clouds SC SC FW SC SC FW FW FW FW FW FW SC SC FW FW SC SC FW FW FW FW SC PoP 12hr 20 0 10 10 20 QPF 12hr 0.03 0 0.02 0.02 0.02 Rain shwrs 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 86 95101103 98 90 87 83 85 94 98101 97 90 86 83 85 93 98101 97 90 Max heat 95 103 102 89 94 101 100 89 93 101 100 Heat Y Y Date Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 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 90 78 91 78 92 79 91 Temp 79 86 90 82 78 86 91 82 79 86 92 83 80 86 91 82 Dewpt 73 73 74 74 74 75 75 75 75 75 74 75 74 74 74 74 PWind dir E E E E E E E E Wind char GN BZ GN BZ GN GN GN BZ Avg clouds SC SC SC SC SC B1 B1 B1 SC SC SC SC FW FW SC SC PoP 12hr 20 30 40 40 20 20 5 10 Rain shwrs S S S C C C C C S S S S S S S S $$ PRZ002-092000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 AM AST Thu Jul 9 2026 Date Thu 07/09/26 Fri 07/10/26 Sat 07/11/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 80 89 80 89 Temp 81 85 88 89 87 83 82 80 81 85 88 89 87 83 82 80 81 85 88 89 87 83 Dewpt 75 76 76 75 75 75 75 74 74 74 74 74 74 74 74 74 73 74 74 74 74 74 RH 82 75 68 64 68 77 79 82 79 70 63 61 65 74 77 82 77 70 63 61 65 74 Wind dir E E E E E E E E E E E E E E E E E E E E NE E Wind spd 16 18 21 20 21 17 18 17 17 17 17 17 17 14 16 16 16 14 16 14 14 13 Clouds SC SC SC FW SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 30 0 0 20 20 QPF 12hr 0.03 0 0 0.04 0.06 Rain shwrs C C S S S S S S S S S Obvis H H H H H H H H H H H H H H H H H H H H Heat index 87 95 99100 96 90 88 85 86 93 97 98 95 90 87 85 86 93 97 98 95 90 Max heat 95 100 99 89 93 98 98 89 93 98 98 Heat Y Y Date Sun 07/12/26 Mon 07/13/26Tue 07/14/26 Wed 07/15/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 89 79 89 80 90 80 89 Temp 80 85 89 82 79 85 89 83 80 86 90 83 80 85 89 82 Dewpt 74 74 74 74 74 75 75 75 75 75 75 75 74 74 74 74 PWind dir E E E E E E E E Wind char BZ BZ GN BZ GN GN GN GN Avg clouds SC SC SC SC B1 B1 B1 B1 SC SC SC SC FW SC SC SC PoP 12hr 20 40 40 40 30 30 5 20 Rain shwrs S S S C C C C C C C C S S S S S $$ PRZ007-092000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 AM AST Thu Jul 9 2026 Date Thu 07/09/26 Fri 07/10/26 Sat 07/11/26 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 92 77 93 Temp 79 85 89 90 87 82 80 78 80 86 91 92 88 82 80 78 79 87 92 93 89 82 Dewpt 71 72 72 72 72 71 70 69 69 69 69 70 68 70 69 68 68 67 67 69 69 69 RH 77 65 57 56 61 69 72 74 69 57 49 49 52 67 69 71 69 52 44 46 52 65 Wind dir E E E SE E E E NE E E E SE E E NE E E E E E E NE Wind spd 8 13 19 23 18 11 10 10 8 12 19 19 14 9 6 6 6 10 18 20 16 11 Wind gust 33 37 29 32 32 25 31 34 26 Clouds FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 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 91 96 97 94 86 83 83 91 96 98 92 86 82 81 89 95 98 94 86 Max heat 91 97 97 85 91 98 97 85 89 98 98 Heat Y Y Date Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 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 92 77 91 77 91 77 92 Temp 78 86 92 82 78 85 91 82 78 85 91 82 78 86 92 82 Dewpt 69 66 69 69 69 69 71 70 71 69 70 69 70 70 68 69 PWind dir NE E E E E E E E Wind char GN GN LT BZ LT GN LT BZ Avg clouds FW FW FW SC FW FW SC SC SC SC FW FW FW FW FW FW PoP 12hr 5 10 5 30 20 5 0 5 Rain shwrs S S S S C C S S S S S S $$ PRZ008-092000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 AM AST Thu Jul 9 2026 Date Thu 07/09/26 Fri 07/10/26 Sat 07/11/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 77 89 77 88 Temp 78 84 87 88 85 81 79 77 79 84 88 89 86 81 79 77 78 84 87 88 85 81 Dewpt 74 76 78 78 78 77 76 75 73 75 76 76 76 76 75 74 73 74 76 76 76 75 RH 88 77 75 72 80 88 91 94 82 74 68 66 72 85 88 90 85 72 70 68 75 82 Wind dir E E E E E E E E E E E E E E E E E E E NE NE E Wind spd 13 14 19 24 24 25 19 16 12 16 16 23 23 24 18 17 17 17 16 20 24 21 Clouds FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 0 0 0 0 QPF 12hr 0.19 0 0 0 0 Rain shwrs S S Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 92100101 97 87 92 98100 96 87 83 91 97 98 94 86 Max heat 92 101 101 86 92 100 100 86 91 99 98 Heat Y Y Date Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 88 76 88 76 88 76 88 Temp 77 84 88 80 76 83 88 80 76 83 88 80 76 83 88 80 Dewpt 74 74 76 76 75 75 77 77 75 75 77 76 75 74 76 76 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW FW FW SC FW FW SC SC FW FW FW SC FW FW FW SC PoP 12hr 5 20 5 40 5 30 5 10 Rain shwrs S S C C C C S S $$ PRZ010-092000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 AM AST Thu Jul 9 2026 Date Thu 07/09/26 Fri 07/10/26 Sat 07/11/26 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 74 94 75 94 Temp 77 86 92 93 88 80 77 75 77 86 92 94 89 81 78 76 77 86 92 94 89 81 Dewpt 72 74 76 77 77 77 75 73 72 75 76 77 77 75 74 73 72 74 75 77 77 75 RH 85 68 60 60 70 91 94 94 85 70 60 58 68 82 88 90 85 68 58 58 68 82 Wind dir E E E E E E E E E E E W W NE E E E E E NE NE NE Wind spd 8 6 5 5 6 6 8 5 4 4 4 6 5 8 8 8 8 5 3 9 11 9 Clouds FW FW FW SC B1 FW FW FW FW FW FW SC FW FW FW FW FW FW FW SC SC FW PoP 12hr 40 0 30 0 20 QPF 12hr 0.55 0 0.02 0 0.03 Rain shwrs C C C S S Obvis H H H H H H H H H H H H H H H H H H H Heat index 94105108101 87 95105109102 88 95104109102 86 Max heat 94 108 107 84 95 109 108 85 95 109 108 Heat Y Y Date Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 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 93 74 92 74 93 74 93 Temp 75 85 93 80 75 85 92 80 75 85 93 80 75 85 93 80 Dewpt 72 74 77 75 73 75 78 77 74 75 78 76 73 75 77 76 PWind dir E E E E E N E NE Wind char GN LT GN LT GN LT LT LT Avg clouds FW FW SC SC FW FW SC B1 FW FW FW SC FW FW FW SC PoP 12hr 5 40 5 60 5 30 5 30 Rain shwrs C C L L C C C C Tstms S S $$ VIZ001-092000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 AM AST Thu Jul 9 2026 Date Thu 07/09/26 Fri 07/10/26 Sat 07/11/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 82 91 82 91 Temp 83 87 90 91 89 85 84 82 83 87 90 91 89 85 84 82 83 87 90 91 89 85 Dewpt 76 76 75 75 76 75 75 75 74 74 74 74 74 75 75 74 74 74 74 74 74 74 RH 80 70 62 60 66 72 74 79 74 65 60 58 61 72 74 77 74 65 60 58 61 70 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 23 23 20 21 21 23 25 24 23 21 24 20 20 21 24 23 20 21 19 18 18 21 Clouds SC FW FW SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 10 0 0 10 10 QPF 12hr 0 0 0 0.02 0.02 Rain shwrs S S S S S S S S Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 91 98101102 99 94 91 89 90 96100101 98 93 91 88 90 96 99101 97 92 Max heat 98 102 101 93 96 101 100 93 96 101 100 Date Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 82 91 81 91 82 91 82 91 Temp 82 87 91 84 81 87 91 85 82 87 91 85 82 87 91 84 Dewpt 74 74 74 74 75 75 75 75 75 75 75 75 74 74 74 74 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW PoP 12hr 20 30 30 30 5 5 5 5 Rain shwrs S S S C C C C S S S S S S S S $$ VIZ002-092000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 AM AST Thu Jul 9 2026 Date Thu 07/09/26 Fri 07/10/26 Sat 07/11/26 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 80 90 79 90 Temp 80 86 89 90 88 83 82 80 81 86 89 90 87 83 81 79 80 86 89 90 87 83 Dewpt 75 76 76 76 75 75 75 75 74 74 75 75 74 75 75 74 74 74 75 75 74 75 RH 85 72 66 64 66 77 79 85 79 68 64 62 65 77 82 85 82 68 64 62 65 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 19 21 20 21 21 21 23 23 19 20 21 20 19 19 21 21 20 19 20 18 19 17 Clouds SC FW FW SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 10 0 0 10 10 QPF 12hr 0 0 0 0.02 0.02 Rain shwrs 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 86 95100101 97 91 88 86 87 94 99100 96 90 86 83 85 94 99100 96 90 Max heat 95 101 100 90 94 100 99 89 94 100 99 Date Sun 07/12/26 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 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 89 79 90 81 90 79 90 Temp 79 85 89 82 79 86 90 84 81 86 90 83 79 86 90 83 Dewpt 74 75 75 75 75 76 76 75 75 75 75 75 74 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 FW FW SC SC B1 B1 SC SC FW FW FW FW FW FW FW FW PoP 12hr 10 40 40 30 5 5 5 5 Rain shwrs S S C C C C S S $$