Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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761 FOCA52 TJSJ 152103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Tue Jul 15 2025 PRZ001-160800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri 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 78 91 78 Temp 82 80 79 80 85 89 90 87 82 80 78 80 86 90 91 88 82 80 79 80 86 Dewpt 76 76 75 75 76 76 76 76 76 76 76 75 76 77 77 77 76 76 75 75 76 RH 82 88 88 85 75 66 64 70 82 88 94 85 72 66 64 70 82 88 88 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 Wind spd 12 12 11 11 12 16 16 13 11 10 10 11 12 14 14 13 10 10 9 9 9 Clouds B2 B1 SC B1 B2 B2 B2 B2 SC SC CL CL SC SC SC SC CL CL CL CL SC PoP 12hr 60 60 40 20 20 QPF 12hr 0.28 0.84 0.08 0.14 0.01 Rain shwrs L C S C C L L L C C S S S S S Tstms S S S Obvis H H H H H H H H H Heat index 89 86 84 95100102 98 89 86 84 96103105100 90 86 84 96 Max heat 98 88 95 102 101 88 96 105 104 89 96 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 77 90 78 91 78 91 78 92 Temp 91 82 78 85 90 82 78 86 91 82 79 86 91 82 79 86 92 83 Dewpt 75 75 75 75 75 74 74 75 75 75 74 74 74 75 75 75 75 76 PWind dir E E E SE E E E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 20 30 20 20 20 30 30 20 Rain shwrs S S S S S S S S S S S S C C C S S $$ PRZ002-160800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 88 80 89 79 Temp 82 81 80 80 84 87 88 86 83 81 80 81 85 88 89 87 82 81 79 80 84 Dewpt 76 76 75 75 76 76 76 76 76 76 76 76 76 77 77 76 76 76 75 75 75 RH 82 85 85 85 77 70 68 72 80 85 88 85 75 70 68 70 82 85 88 85 74 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 14 13 14 12 16 17 16 13 12 13 13 13 14 14 14 12 10 11 10 9 11 Clouds B2 B1 SC B1 B2 B2 B2 B2 SC SC SC SC B1 B1 SC SC CL CL CL CL SC PoP 12hr 60 60 50 40 20 QPF 12hr 0.31 0.88 0.17 0.20 0.01 Rain shwrs L C S C L L L L C C C C C C S S S Tstms S S S Obvis H H H H H H H Heat index 90 87 84 85 94 98 99 96 91 88 86 88 95101102 97 90 87 84 85 93 Max heat 97 89 94 99 99 90 95 102 101 89 93 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 78 88 79 89 79 89 80 89 Temp 88 81 78 84 88 82 79 85 89 82 79 85 89 83 80 85 89 84 Dewpt 75 75 74 74 75 75 74 75 75 75 74 75 75 76 75 75 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN BZ Avg clouds SC SC B1 B1 SC SC B2 B1 SC SC SC SC B1 B1 B2 B1 SC SC PoP 12hr 40 40 50 50 20 40 60 60 20 Rain shwrs S C C C C C C C S S S C C L L L S S $$ PRZ007-160800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri 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 77 92 76 Temp 82 79 78 79 85 90 91 88 82 79 78 79 86 91 92 88 81 79 77 78 85 Dewpt 75 73 73 72 74 76 77 77 75 73 73 73 75 76 77 78 76 74 73 72 74 RH 79 82 85 79 70 64 64 70 79 82 85 82 70 62 62 72 85 85 87 82 70 Wind dir E E E NE E E E E E E E E E E SE E E E NE NE E Wind spd 11 6 5 5 6 17 20 16 9 6 5 6 9 14 14 13 9 5 5 4 4 Wind gust 27 34 26 25 26 Clouds SC SC CL SC SC FW B1 B1 FW FW CL CL CL CL SC SC CL CL CL CL CL PoP 12hr 5 40 10 20 0 QPF 12hr 0.05 0.43 0.03 0.29 0 Rain shwrs S S S S C C S S S S Tstms S S Obvis H H H H H H H H H Heat index 88 83 93102105 99 88 83 95103106102 88 93 Max heat 98 86 93 105 104 86 95 106 106 86 93 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 75 90 76 90 76 91 76 92 Temp 91 80 76 84 90 81 77 84 90 81 77 85 91 81 77 86 92 82 Dewpt 77 75 72 74 77 75 72 74 76 75 72 70 70 73 71 71 72 72 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW SC CL CL FW SC FW FW FW FW CL CL FW SC SC FW FW FW PoP 12hr 40 0 20 5 0 0 10 10 5 Rain shwrs C C S S S S S S $$ PRZ008-160800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 87 76 88 76 Temp 80 79 77 78 83 86 87 84 80 78 76 78 83 87 88 85 80 78 76 77 83 Dewpt 76 76 75 76 75 75 76 75 75 76 76 76 75 76 77 76 76 77 76 76 75 RH 88 91 94 94 77 70 70 74 85 94100 94 77 70 70 75 88 97100 97 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 8 13 11 11 14 20 21 23 21 16 14 12 13 12 16 16 12 14 13 11 11 Clouds SC SC SC SC FW CL B2 B2 SC FW FW FW CL CL B1 B1 B1 B1 FW FW CL PoP 12hr 30 50 40 40 40 QPF 12hr 0.12 0.50 0.07 0.59 0.03 Rain shwrs C C C S C C C S S S C C C C Tstms S S S S Obvis H Heat index 86 90 95 98 92 84 91 98100 94 86 90 Max heat 93 85 90 98 97 83 91 100 99 84 90 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 75 87 75 87 75 87 76 88 Temp 87 79 75 82 87 79 75 82 87 79 75 82 87 80 76 83 88 80 Dewpt 76 75 75 74 75 75 75 74 76 75 75 73 75 75 75 74 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN BZ Avg clouds FW SC FW FW SC SC SC SC FW B1 FW FW FW SC SC SC SC SC PoP 12hr 10 5 40 20 50 5 10 10 30 Rain shwrs S S S S S S C C S S S S C C $$ PRZ010-160800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri 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 92 74 93 74 Temp 80 77 75 76 85 91 92 88 80 77 75 76 85 91 93 88 80 77 75 76 85 Dewpt 76 76 74 73 76 78 79 78 76 76 74 74 76 78 80 79 78 76 75 73 76 RH 88 97 97 90 75 66 66 72 88 97 97 94 75 66 66 75 94 97100 90 75 Wind dir E E E E E NE E E E E E E E E E E E E E E E Wind spd 3 5 3 5 5 8 5 8 6 5 5 4 4 2 2 2 6 5 6 4 2 Clouds SC SC SC FW CL CL B2 OV B2 CL FW FW CL CL OV OV SC SC FW FW CL PoP 12hr 20 80 60 70 30 QPF 12hr 0.06 1.75 0.07 1.03 0.03 Rain shwrs S S S L D L S S L L C C Tstms S S S S S Obvis H H H H H Heat index 86 94105109101 86 95107112103 88 94 Max heat 101 83 94 109 108 83 95 112 111 84 94 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 73 91 74 92 74 92 74 93 Temp 92 79 74 84 91 80 75 85 92 80 75 85 92 80 75 85 93 80 Dewpt 79 76 74 75 78 76 74 75 78 76 74 75 78 76 74 75 79 77 PWind dir NE E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC CL CL SC B1 SC FW SC B1 CL CL SC B2 SC FW SC B1 PoP 12hr 60 0 80 5 60 0 70 10 70 Rain shwrs L L L L S S L L L L S S L L Tstms S S S S S S S S S S $$ VIZ001-160800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 80 91 81 Temp 84 82 80 81 86 89 90 88 83 82 80 81 87 90 91 89 84 83 81 82 87 Dewpt 77 77 77 77 76 76 77 77 77 77 77 77 77 77 77 77 77 76 77 76 76 RH 80 85 91 88 72 66 66 70 82 85 91 88 72 66 64 68 80 80 88 82 70 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 23 23 23 19 20 20 19 19 19 21 20 19 20 19 18 17 17 17 16 14 14 Clouds B2 B2 SC B1 B2 B2 B2 B2 SC SC SC SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 60 60 50 40 20 QPF 12hr 0.33 0.77 0.22 0.35 0.02 Rain shwrs C C C C L L C C C C C C C C S S S S S S S Tstms S S Obvis H H H H H H H Heat index 93 90 87 89 96101103 99 93 90 87 89 98103105101 95 91 89 90 98 Max heat 99 92 96 103 103 92 98 105 104 93 98 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 80 90 81 91 80 91 81 92 Temp 91 84 80 86 90 84 81 87 91 84 80 87 91 84 81 88 92 85 Dewpt 76 76 75 76 75 75 76 75 76 75 75 76 76 77 77 77 77 77 PWind dir E E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ BZ BZ Avg clouds SC SC B1 B1 SC FW B1 B1 SC SC SC SC B1 SC B1 B1 SC SC PoP 12hr 40 40 40 40 20 40 40 40 20 Rain shwrs S C C C C C C C S S S C C C C C S S $$ VIZ002-160800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Tue Jul 15 2025 Date 07/15/25 Wed 07/16/25 Thu 07/17/25 Fri 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 89 78 89 78 Temp 82 80 78 79 85 88 89 86 82 80 78 79 85 88 89 86 82 80 78 79 85 Dewpt 76 76 76 75 76 76 77 76 76 77 76 76 77 77 77 76 75 76 75 75 76 RH 82 88 94 88 75 68 68 72 82 91 94 91 77 70 68 72 79 88 91 88 75 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 19 20 20 17 17 18 17 18 16 19 17 17 18 19 18 16 14 16 13 12 13 Clouds B1 SC SC B1 B1 B1 B2 B2 SC SC SC SC SC SC SC SC CL CL CL CL SC PoP 12hr 50 60 50 30 10 QPF 12hr 0.27 0.74 0.20 0.33 0 Rain shwrs C C C C C C C L C C C C C C S S S Tstms S S Obvis H H H H H H H Heat index 89 85 84 94 99102 96 89 85 84 95100102 96 88 85 84 94 Max heat 96 88 94 102 101 88 95 102 101 87 94 Date 07/18 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 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 77 89 79 89 78 89 78 89 Temp 89 81 77 84 89 82 79 85 89 82 78 85 89 82 78 85 89 82 Dewpt 76 75 75 75 74 75 74 75 76 75 74 74 75 75 75 75 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ GN BZ BZ BZ Avg clouds SC SC B1 B1 SC SC SC FW FW SC SC SC SC SC B1 B1 SC SC PoP 12hr 40 40 20 10 10 20 40 40 20 Rain shwrs S C C C S S S S S S S S S C C C S S $$