Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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616 FOCA52 TJSJ 080903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Tue Jul 8 2025 PRZ001-082000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Tue Jul 8 2025 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 78 88 78 89 Temp 84 88 89 86 82 80 78 79 84 87 88 86 81 80 78 79 85 88 89 87 82 Dewpt 74 74 74 74 74 74 75 74 75 75 75 75 75 75 73 73 75 75 76 76 76 RH 72 63 61 68 77 82 91 85 74 68 66 70 82 85 85 82 72 66 66 70 82 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 18 17 14 10 11 12 12 16 18 18 16 12 12 11 12 12 14 16 14 12 Clouds SC B2 B2 B2 SC B1 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 SC SC B1 B1 B1 PoP 12hr 60 60 50 50 40 QPF 12hr 0.48 0.47 0.72 0.15 0.21 Rain shwrs C L L L S C L L C C C C C C C C S S C C C Tstms S S Obvis H H Heat index 91 97 98 94 88 84 83 92 96 97 94 87 84 83 93 98100 97 90 Max heat 91 98 97 87 92 97 97 86 93 100 100 Date Fri 07/11/25 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 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 91 79 91 77 90 77 91 Temp 79 86 91 83 79 86 91 82 78 85 90 81 78 85 91 82 Dewpt 75 76 75 75 74 75 74 74 74 74 74 74 73 74 74 74 PWind dir E E E E E E E E Wind char GN BZ GN BZ GN GN GN GN Avg clouds B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B2 B1 PoP 12hr 40 20 10 20 20 40 50 50 Rain shwrs C S S S S S S S S C C C C C C Tstms S S $$ PRZ002-082000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Tue Jul 8 2025 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 79 88 79 88 Temp 84 87 88 86 82 81 79 80 84 87 88 86 82 81 79 80 84 87 88 86 83 Dewpt 74 75 75 75 75 75 75 74 75 75 75 75 75 75 74 74 75 76 76 77 76 RH 72 68 66 70 79 82 88 82 74 68 66 70 79 82 85 82 74 70 68 75 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 18 18 14 12 12 16 16 18 18 17 16 14 16 14 14 16 16 16 14 14 Clouds SC B2 B2 B2 SC B2 B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 SC SC B1 B1 B1 PoP 12hr 60 60 60 50 40 QPF 12hr 0.50 0.54 0.73 0.14 0.20 Rain shwrs C L L L S L L L L L C C C C C C S S C C C Tstms S S Obvis H H Heat index 91 97 98 94 89 86 83 85 93 97 98 95 89 86 83 85 93 98 99 97 91 Max heat 91 98 97 88 93 98 97 88 93 99 99 Date Fri 07/11/25 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 89 80 89 78 87 78 88 Temp 80 85 89 83 80 85 89 82 78 83 87 81 78 84 88 81 Dewpt 75 76 75 75 74 75 75 74 74 74 74 74 73 74 75 74 PWind dir E E E E E E E E Wind char GN BZ GN GN GN GN GN GN Avg clouds B1 SC SC SC SC SC SC SC SC SC SC B1 B2 B2 B2 B1 PoP 12hr 40 20 20 20 20 50 60 60 Rain shwrs C S S S S S S S S S C C C L L C $$ PRZ007-082000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Tue Jul 8 2025 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 76 91 76 91 Temp 85 90 91 87 81 79 77 78 85 90 91 87 81 79 77 78 85 90 91 88 82 Dewpt 70 69 69 70 70 70 70 70 70 70 69 70 70 70 70 70 70 71 72 72 71 RH 61 50 49 57 69 74 79 76 61 52 49 57 69 74 79 76 61 54 54 59 69 Wind dir E E SE E E NE NE NE E E SE E E NE E E E E SE E E Wind spd 10 16 17 16 9 5 6 5 9 18 17 16 9 5 6 8 12 14 14 16 10 Wind gust 27 29 26 31 28 26 25 26 Clouds SC CL B1 B1 CL CL FW FW FW FW SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 40 5 10 20 20 QPF 12hr 0.26 0.03 0.13 0.01 0.08 Rain shwrs S C C S S S S S S S S S S Obvis H H H H H H H Heat index 89 94 96 92 85 90 95 96 92 85 90 96 98 94 86 Max heat 89 96 96 83 90 96 96 83 90 98 98 Date Fri 07/11/25 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 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 76 92 74 90 74 90 Temp 78 86 92 81 77 86 92 80 75 84 90 79 75 84 90 81 Dewpt 71 68 71 68 70 70 69 69 68 69 69 70 69 69 68 71 PWind dir E E E E NE E E E Wind char GN BZ LT GN LT GN LT GN Avg clouds SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 10 0 0 10 30 40 50 Rain shwrs S S S S C C S C C C $$ PRZ008-082000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Tue Jul 8 2025 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 76 88 75 88 Temp 82 86 87 84 80 78 76 78 83 87 88 85 79 77 76 77 83 87 88 85 80 Dewpt 73 73 74 73 74 74 74 74 74 74 75 74 74 75 75 74 73 74 75 75 75 RH 74 65 65 70 82 88 94 88 74 65 66 70 85 94 97 90 72 65 66 72 85 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 14 13 21 20 17 16 13 17 18 19 25 21 24 19 18 16 16 11 19 21 14 Clouds CL FW B2 B2 CL CL FW FW FW CL SC B1 FW FW FW FW SC SC B2 B2 SC PoP 12hr 50 5 40 5 60 QPF 12hr 0.32 0.04 0.45 0.01 0.55 Rain shwrs S C C S C C L L S Tstms S S S S S Obvis H H H H H Heat index 87 93 95 91 84 90 96 98 92 83 89 95 98 93 85 Max heat 87 95 95 83 90 98 97 89 98 97 Date Fri 07/11/25 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 89 76 88 75 87 75 86 Temp 76 84 89 80 77 83 88 79 76 82 87 79 75 82 86 79 Dewpt 75 73 76 75 75 73 75 74 75 73 74 74 74 72 74 74 PWind dir E E E E E NE E E Wind char GN BZ BZ BZ GN BZ GN GN Avg clouds FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC B2 PoP 12hr 10 20 0 10 10 20 10 60 Rain shwrs S S S S S S S S S S S L L Tstms S S $$ PRZ010-082000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Tue Jul 8 2025 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 73 92 74 92 Temp 84 90 92 87 79 76 74 75 84 90 92 88 80 77 75 76 85 91 92 88 80 Dewpt 74 75 76 76 74 74 72 72 75 77 77 77 75 75 73 73 75 77 77 77 77 RH 72 62 60 70 85 94 93 90 74 66 62 70 85 94 94 90 72 64 62 70 91 Wind dir E E E SE E E E E E E E NE E E E E E E E E E Wind spd 5 3 6 5 12 8 6 8 6 3 3 4 8 9 9 6 5 4 3 2 8 Clouds CL CL B2 B2 CL CL CL CL CL CL B2 B2 CL CL FW FW SC SC B2 B2 SC PoP 12hr 60 0 60 5 60 QPF 12hr 0.76 0 1.15 0 0.46 Rain shwrs L L L L L L Tstms S S S S S S Obvis H H H H H Heat index 92101105 98 83 93104106 99 85 93104106 99 87 Max heat 92 105 104 93 106 105 83 93 106 105 Date Fri 07/11/25 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 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 92 74 92 73 92 73 91 Temp 75 85 92 80 75 85 92 79 74 84 92 79 74 84 91 79 Dewpt 74 75 78 76 73 75 78 76 73 74 77 75 73 74 77 75 PWind dir E E E E E NE E E Wind char LT LT LT LT GN LT GN LT Avg clouds FW FW SC SC SC SC SC B1 SC SC SC B1 SC SC SC B2 PoP 12hr 0 20 0 50 20 60 20 60 Rain shwrs S S C C S S L L S S L L Tstms S S S S S S $$ VIZ001-082000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Tue Jul 8 2025 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 80 90 80 90 Temp 86 89 90 88 83 82 80 81 86 89 90 88 83 82 80 81 86 89 90 88 84 Dewpt 75 76 76 76 76 77 76 76 76 76 76 76 76 76 76 76 76 77 77 77 77 RH 70 66 64 68 80 85 88 85 72 66 64 68 80 82 88 85 72 68 66 70 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 23 21 20 18 18 21 21 24 25 23 20 20 20 21 21 21 21 21 20 20 21 Clouds SC SC B2 B2 B2 B1 B1 B2 B1 B1 CL FW B1 B1 SC SC SC SC SC SC SC PoP 12hr 60 50 40 40 30 QPF 12hr 0.50 0.45 0.17 0.09 0.15 Rain shwrs C C L L C C C C C C C C C C S S C C S Tstms S S Obvis H H H Heat index 95100102 99 92 89 86 88 96100102 98 92 89 86 88 96102103100 94 Max heat 95 102 102 91 96 102 102 91 96 103 103 Date Fri 07/11/25 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 91 81 90 80 90 80 90 Temp 81 87 91 84 81 86 90 83 80 86 90 83 80 86 90 84 Dewpt 76 76 77 76 75 75 76 76 75 75 75 75 74 75 75 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ GN BZ BZ Avg clouds SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 B1 B1 PoP 12hr 20 10 20 20 20 50 50 50 Rain shwrs S S S S S S S S S S C C C C C C $$ VIZ002-082000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Tue Jul 8 2025 Date Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 79 90 79 90 Temp 84 88 89 87 82 81 79 80 86 89 90 87 83 81 79 80 86 89 90 88 83 Dewpt 74 74 75 75 75 75 75 75 75 75 75 75 74 75 74 74 75 76 76 76 75 RH 72 63 64 68 79 82 88 85 70 64 62 68 74 82 85 82 70 66 64 68 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 20 19 19 17 16 17 18 20 23 23 19 19 18 19 18 18 17 19 19 18 19 Clouds SC SC SC SC B1 B2 B1 B2 B2 SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 40 50 50 40 20 QPF 12hr 0.17 0.50 0.33 0.09 0.11 Rain shwrs C S S S C C C C C C S S C C C C S S S S S Obvis H H H H H Heat index 91 97 99 95 89 86 84 86 94 99100 96 89 86 84 85 94101101 98 91 Max heat 91 99 98 88 94 100 99 88 94 102 101 Date Fri 07/11/25 Sat 07/12/25 Sun 07/13/25 Mon 07/14/25 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 77 88 77 88 Temp 80 85 89 82 79 85 89 81 77 84 88 81 77 84 88 81 Dewpt 75 75 75 75 74 74 75 74 74 74 74 73 74 74 74 74 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ GN GN GN BZ Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 20 10 10 10 10 30 30 40 Rain shwrs S S S S S S S S S S C C S C C C $$