FOCA52 TJSJ 091832 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 PM AST Thu Jul 9 2026 PRZ001-100800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 PM AST Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun 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 88 83 81 79 81 86 90 91 88 83 81 79 81 86 90 91 88 83 81 79 80 86 Dewpt 75 75 74 74 73 74 73 74 74 74 74 73 73 73 73 74 74 74 74 73 73 73 RH 66 77 79 85 77 68 58 58 63 74 79 82 77 65 58 58 63 74 79 82 79 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 20 13 17 14 13 16 19 18 17 14 16 14 12 14 16 17 14 11 12 13 11 13 Clouds SC FW FW FW FW FW FW SC SC CL FW SC SC FW FW FW FW SC SC SC SC SC PoP 12hr 0 10 10 20 20 QPF 12hr 0 0.02 0.01 0.02 0.06 Rain shwrs 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 98 90 87 83 85 94 98101 97 90 86 83 85 93 98101 97 90 86 83 85 93 Max heat 102 89 94 101 100 89 93 101 100 89 93 Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 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 92 79 91 78 91 Temp 90 82 78 86 91 82 79 86 92 83 80 86 91 82 79 86 91 82 Dewpt 74 74 74 75 75 75 75 75 74 75 74 74 74 74 73 74 71 72 PWind dir E E E E E E E E E Wind char BZ GN BZ GN BZ GN BZ GN BZ Avg clouds SC SC SC B1 B1 B1 SC SC SC SC FW FW SC SC FW FW SC SC PoP 12hr 30 40 40 20 20 5 20 5 30 Rain shwrs S C C C C C S S S S S S S S S S C C $$ PRZ002-100800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 PM AST Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 89 80 89 80 Temp 87 83 82 80 81 85 88 89 87 83 82 80 81 85 88 89 87 83 82 80 81 85 Dewpt 75 75 75 74 74 74 74 74 74 74 74 74 73 74 74 74 74 74 74 74 74 74 RH 68 77 79 82 79 70 63 61 65 74 77 82 77 70 63 61 65 74 77 82 79 70 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 21 17 18 17 14 18 17 17 16 16 16 14 14 16 16 16 16 13 14 14 14 14 Clouds SC FW FW FW FW FW FW FW FW CL FW SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 0 0 20 20 20 QPF 12hr 0 0.01 0.02 0.06 0.06 Rain shwrs S S S S S S S S S S S S S Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 96 90 88 85 86 93 97 98 95 90 87 85 86 93 97 98 95 90 87 85 87 93 Max heat 99 89 93 98 98 89 93 98 98 89 93 Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 79 89 80 90 80 89 79 89 Temp 89 82 79 85 89 83 80 86 90 83 80 85 89 82 79 85 89 82 Dewpt 74 74 74 75 75 75 75 75 75 75 74 74 74 74 74 74 72 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B1 B1 SC SC SC SC FW SC SC SC SC SC SC B1 PoP 12hr 40 40 40 30 30 5 20 10 40 Rain shwrs S C C C C C C C C S S S S S S S C C $$ PRZ007-100800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 PM AST Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun 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 92 77 93 77 Temp 87 82 80 78 80 86 91 92 88 82 80 78 79 87 92 93 89 82 80 78 79 86 Dewpt 72 71 70 69 69 69 69 70 68 70 69 68 68 67 67 69 69 69 70 69 67 66 RH 61 69 72 74 69 57 49 49 52 67 69 71 69 52 44 46 52 65 72 74 67 51 Wind dir E E E NE E E E E E E NE NE E E E E E E NE NE NE E Wind spd 18 11 10 10 8 11 18 17 14 9 8 6 6 10 18 18 14 9 8 6 8 10 Wind gust 31 31 28 25 29 31 25 Clouds FW FW FW FW FW FW FW FW FW CL FW CL CL FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 0 5 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 94 86 83 83 91 96 98 92 86 82 81 89 95 98 94 86 83 88 Max heat 97 85 91 98 97 85 89 98 98 85 88 Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 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 92 77 91 77 91 77 92 77 91 Temp 92 82 78 85 91 82 78 85 91 82 78 86 92 82 78 85 91 82 Dewpt 69 69 69 69 71 70 71 69 70 69 70 70 68 69 69 67 70 70 PWind dir E E E E E E E E E Wind char BZ LT GN LT GN LT BZ LT GN Avg clouds FW SC FW FW SC SC SC SC FW FW FW FW FW FW FW FW FW SC PoP 12hr 10 5 30 20 5 0 5 5 10 Rain shwrs S S S S C C S S S S S S S S $$ PRZ008-100800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 PM AST Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 89 77 88 77 Temp 85 81 79 77 79 84 88 89 86 81 79 77 78 84 87 88 85 81 79 77 78 84 Dewpt 78 77 76 75 73 75 76 76 76 76 75 74 73 74 76 76 76 75 75 74 73 74 RH 80 88 91 94 82 74 68 66 72 85 88 90 85 72 70 68 75 82 88 90 85 72 Wind dir E E E E E E E E E E E E E E E NE E E E E E E Wind spd 24 25 19 16 14 16 16 23 23 24 20 18 16 14 17 23 24 19 16 17 14 16 Clouds SC FW FW FW FW FW FW FW FW CL FW CL CL FW FW FW FW FW FW FW FW FW PoP 12hr 0 0 5 0 5 QPF 12hr 0 0 0 0 0 Rain shwrs S Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 97 87 92 98100 96 87 83 91 97 98 94 86 91 Max heat 101 86 92 100 100 86 91 99 98 85 91 Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 88 76 88 76 88 76 88 Temp 88 80 76 83 88 80 76 83 88 80 76 83 88 80 76 83 88 80 Dewpt 76 76 75 75 77 77 75 75 77 76 75 74 76 76 74 74 72 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ GN BZ GN BZ Avg clouds FW SC FW FW SC SC FW FW FW SC FW FW FW SC FW FW FW SC PoP 12hr 20 5 40 5 30 5 10 5 10 Rain shwrs S S C C C C S S S S $$ PRZ010-100800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 PM AST Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun 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 74 94 75 94 74 Temp 88 80 77 75 77 86 92 94 89 81 78 76 77 86 92 94 89 81 77 75 76 85 Dewpt 77 77 75 73 72 75 76 77 77 75 74 73 72 74 75 77 77 75 74 72 72 74 RH 70 91 94 94 85 70 60 58 68 82 88 90 85 68 58 58 68 82 90 90 87 70 Wind dir E E E E E E E W E NE NE NE E E NE NE NE NE E E E E Wind spd 6 6 8 5 4 4 4 6 6 10 10 10 5 4 3 4 8 8 12 9 5 10 Clouds B1 FW FW FW FW FW FW SC FW CL FW CL CL FW FW SC SC FW FW FW FW FW PoP 12hr 0 30 0 20 5 QPF 12hr 0 0.02 0 0.03 0 Rain shwrs C C 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 101 87 95105109102 88 95104109102 86 93 Max heat 107 84 95 109 108 85 95 109 108 84 93 Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 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 93 74 93 74 93 Temp 93 80 75 85 92 80 75 85 93 80 75 85 93 80 75 85 93 80 Dewpt 77 75 73 75 78 77 74 75 78 76 73 75 77 76 72 74 70 72 PWind dir E E E E NE E NE E NE Wind char LT GN LT LT LT LT GN LT LT Avg clouds SC SC FW FW SC B1 FW FW FW SC FW FW FW SC FW FW SC SC PoP 12hr 40 5 60 5 30 5 30 5 30 Rain shwrs C C L L C C C C C C Tstms S S $$ VIZ001-100800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 PM AST Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 91 82 91 82 Temp 89 85 84 82 83 87 90 91 89 85 84 82 83 87 90 91 89 85 84 82 83 87 Dewpt 76 75 75 75 74 74 74 74 74 75 75 74 74 74 74 74 74 74 74 74 74 74 RH 66 72 74 79 74 65 60 58 61 72 74 77 74 65 60 58 61 70 72 77 74 65 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 21 23 25 24 23 21 21 20 21 21 23 21 19 19 19 18 19 19 21 20 20 20 Clouds FW FW FW FW FW FW FW FW FW CL FW SC SC SC SC SC SC FW FW SC SC SC PoP 12hr 0 0 10 10 20 QPF 12hr 0 0 0.01 0.02 0.03 Rain shwrs S S S S S S S S S Obvis H H H H H H H H H H H H H H H H H H H H H H Heat index 99 94 91 89 90 96100101 98 93 91 88 90 96 99101 97 92 90 88 90 96 Max heat 101 93 96 101 100 93 96 101 100 92 96 Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 81 91 82 91 82 91 81 91 Temp 91 84 81 87 91 85 82 87 91 85 82 87 91 84 81 87 91 84 Dewpt 74 74 75 75 75 75 75 75 75 75 74 74 74 74 74 74 72 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC SC SC SC SC FW FW FW SC SC SC SC SC SC PoP 12hr 30 30 30 5 5 5 5 20 40 Rain shwrs S C C C C S S S S S S S S S S S C $$ VIZ002-100800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 PM AST Thu Jul 9 2026 Date 07/09/26 Fri 07/10/26 Sat 07/11/26 Sun 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 90 79 90 79 Temp 88 83 82 80 81 86 89 90 87 83 81 79 80 86 89 90 87 83 81 79 80 85 Dewpt 75 75 75 75 74 74 75 75 74 75 75 74 74 74 75 75 74 75 75 74 74 75 RH 66 77 79 85 79 68 64 62 65 77 82 85 82 68 64 62 65 77 82 85 82 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 21 21 23 23 20 21 21 20 20 19 20 20 19 19 18 18 18 19 19 17 17 19 Clouds FW FW FW FW FW FW FW FW FW CL FW SC SC SC SC SC SC FW FW FW FW SC PoP 12hr 0 0 10 10 10 QPF 12hr 0 0 0.01 0.02 0.01 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 97 91 88 86 87 94 99100 96 90 86 83 85 94 99100 96 90 86 83 85 93 Max heat 100 90 94 100 99 89 94 100 99 88 93 Date 07/12 Mon 07/13/26 Tue 07/14/26 Wed 07/15/26 Thu 07/16/26 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 79 90 81 90 79 90 79 90 Temp 89 82 79 86 90 84 81 86 90 83 79 86 90 83 79 86 90 83 Dewpt 75 75 75 76 76 75 75 75 75 75 74 75 75 74 74 74 71 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC B1 B1 SC SC FW FW FW FW FW FW FW SC FW SC SC SC PoP 12hr 40 40 30 5 5 5 5 30 30 Rain shwrs S C C C C S S S S C C S $$