Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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932 FOCA52 TJSJ 042103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Fri Jul 4 2025 PRZ001-050800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Fri Jul 4 2025 Date 07/04/25 Sat 07/05/25 Sun 07/06/25 Mon 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 78 Temp 82 81 79 80 86 89 90 87 83 81 79 80 86 89 90 87 82 80 78 80 85 Dewpt 76 75 74 74 76 76 76 76 75 75 74 74 75 74 74 74 74 74 74 73 74 RH 82 82 85 82 72 66 64 70 77 82 85 82 70 61 60 65 77 82 88 79 70 Wind dir E E SE SE E E E E E E E E E E E E E E E E E Wind spd 10 8 8 5 8 17 18 13 10 10 11 10 10 14 16 13 9 10 10 10 12 Clouds SC SC SC SC SC B1 B1 B1 SC SC SC SC FW SC SC SC B1 B1 B1 B1 SC PoP 12hr 20 40 30 40 40 QPF 12hr 0.06 0.24 0.08 0.04 0.11 Rain shwrs S S S S S C C C S C S C S S S S C C C C S Obvis H H H H H H H H H H H Heat index 90 86 83 85 95100102 97 90 87 84 85 94 98 99 96 88 85 83 93 Max heat 97 89 95 102 101 89 94 99 98 87 93 Date 07/07 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 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 90 77 89 78 89 78 90 79 89 Temp 90 81 78 84 89 82 78 85 89 82 78 85 90 83 79 85 89 82 Dewpt 73 74 73 74 74 74 74 75 74 75 75 75 75 75 76 75 75 72 PWind dir E E E E E E E E E Wind char GN GN BZ GN GN GN GN GN BZ Avg clouds SC FW CL FW SC SC FW FW SC SC FW FW SC FW SC SC FW SC PoP 12hr 20 20 30 20 40 20 20 20 10 Rain shwrs S S S C C S S C C S S S S S S S S Tstms S S $$ PRZ002-050800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Fri Jul 4 2025 Date 07/04/25 Sat 07/05/25 Sun 07/06/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 80 90 79 Temp 83 82 80 81 86 89 90 88 83 82 80 81 86 89 90 87 83 81 79 80 86 Dewpt 76 75 74 75 76 76 77 76 75 75 74 74 74 74 74 74 74 74 74 73 74 RH 80 79 82 82 72 66 66 68 77 79 82 79 68 61 60 65 74 79 85 79 68 Wind dir E E E E E E E E E E E E E E E E NE NE E E E Wind spd 10 10 9 10 16 17 16 13 11 11 12 10 12 12 11 11 10 11 11 13 13 Clouds B1 SC SC SC SC B1 B1 B1 B1 SC SC B1 FW SC SC SC B1 B1 B1 B1 SC PoP 12hr 30 40 40 40 40 QPF 12hr 0.11 0.29 0.10 0.04 0.12 Rain shwrs C S S C C C C C C C C C S S S S C C C C C Obvis H H H H H H Heat index 91 88 85 87 96101102 98 91 88 85 87 94 99 99 96 89 86 83 85 93 Max heat 97 90 96 102 102 90 94 99 99 88 93 Date 07/07 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 78 89 79 89 79 88 80 89 Temp 90 82 78 85 89 82 79 85 89 82 79 84 88 83 80 85 89 83 Dewpt 74 74 73 74 75 74 74 75 76 75 75 75 76 75 75 75 75 73 PWind dir E E E E E E E E E Wind char GN GN BZ GN GN GN GN GN BZ Avg clouds SC SC FW SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 30 30 10 50 20 30 20 20 Rain shwrs C C S C C C S S C C S S C C S S S S Tstms S S $$ PRZ007-050800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Fri Jul 4 2025 Date 07/04/25 Sat 07/05/25 Sun 07/06/25 Mon 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 76 92 75 Temp 82 80 78 79 86 90 91 87 81 78 76 78 86 91 92 88 81 78 76 77 85 Dewpt 74 72 71 71 71 72 73 73 73 73 71 71 70 67 70 68 69 69 69 70 69 RH 77 77 79 77 61 56 56 63 77 85 85 79 59 45 49 52 67 74 79 79 59 Wind dir E E NE NE E E SE E E NE NE E E E E E E NE NE E E Wind spd 10 6 5 5 6 16 14 12 10 8 5 5 9 14 17 14 9 5 5 4 10 Wind gust 26 28 25 Clouds FW FW FW SC FW SC SC SC FW FW SC FW CL CL SC SC CL CL CL CL CL PoP 12hr 5 10 5 10 5 QPF 12hr 0.01 0.02 0.01 0.01 0 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 Heat index 88 83 82 91 97100 95 86 90 94 98 91 84 89 Max heat 95 86 91 100 99 84 90 98 97 83 89 Date 07/07 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 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 76 90 77 90 76 91 77 90 Temp 91 81 77 84 90 81 78 85 90 81 77 85 91 82 78 85 90 81 Dewpt 66 69 70 69 69 68 68 70 71 72 71 72 73 71 70 70 70 70 PWind dir E E E E E E E E E Wind char GN LT GN GN GN LT GN GN GN Avg clouds FW FW CL FW FW FW CL CL CL FW FW FW FW FW FW FW FW SC PoP 12hr 10 10 10 5 10 10 10 10 10 Rain shwrs S S S S S S S S S S S S S S $$ PRZ008-050800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Fri Jul 4 2025 Date 07/04/25 Sat 07/05/25 Sun 07/06/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 88 76 89 75 Temp 81 79 78 79 84 87 88 85 80 78 76 77 84 88 89 86 80 78 76 77 83 Dewpt 75 76 75 74 74 75 76 75 75 76 75 74 74 74 74 74 74 75 75 74 74 RH 82 91 91 85 72 68 68 72 85 94 97 90 72 63 61 68 82 91 97 90 74 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 9 5 10 9 6 9 11 10 9 11 12 10 12 13 12 13 18 13 13 13 16 Clouds B1 FW FW CL CL CL B2 B2 SC FW CL CL CL CL SC SC CL CL CL CL CL PoP 12hr 40 60 30 20 0 QPF 12hr 0.02 1.01 0.02 0.02 0 Rain shwrs C L L C S S Tstms S S Obvis H H H H H H H H H H H H Heat index 86 83 91 96 98 94 85 90 96 98 93 84 89 Max heat 93 85 91 98 98 83 90 98 97 83 89 Date 07/07 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 75 87 75 88 75 88 76 88 Temp 88 80 76 82 87 79 76 83 88 80 76 83 88 80 76 83 88 79 Dewpt 74 73 73 73 74 73 73 74 75 75 74 73 76 75 75 74 75 73 PWind dir E E E E E E E E E Wind char BZ GN BZ GN GN GN GN GN BZ Avg clouds FW SC CL CL FW SC CL CL FW SC CL CL SC B1 FW FW SC SC PoP 12hr 30 5 30 5 50 5 60 10 50 Rain shwrs C C C C C C L L S S C C Tstms S S S S S S $$ PRZ010-050800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Fri Jul 4 2025 Date 07/04/25 Sat 07/05/25 Sun 07/06/25 Mon 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 93 75 94 73 Temp 81 78 76 78 86 92 93 88 81 78 75 77 86 92 94 89 80 77 74 76 85 Dewpt 77 76 74 73 76 78 79 78 77 76 75 73 75 77 78 76 75 74 73 72 75 RH 88 94 94 85 72 64 64 72 88 94100 87 70 62 60 66 85 90 97 87 72 Wind dir E E E NE E S NW NW E E E E E E NE NE E E E E E Wind spd 2 6 4 4 4 2 5 5 9 6 5 4 4 4 3 4 8 5 10 9 5 Clouds B1 FW FW FW CL CL B1 B2 SC CL CL CL CL CL B2 B2 FW FW FW FW CL PoP 12hr 30 50 10 50 5 QPF 12hr 0.02 0.28 0.01 0.50 0 Rain shwrs C C C S C C S S S S Tstms S S S Obvis H H H H H H H H H H H Heat index 88 95107110102 88 95107109100 85 94 Max heat 101 86 95 110 109 85 95 110 108 83 94 Date 07/07 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 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 93 72 92 74 93 73 93 74 93 Temp 93 79 73 84 92 80 75 85 93 80 74 85 93 80 75 85 93 80 Dewpt 76 75 72 74 76 75 72 75 78 76 73 75 78 76 73 75 77 74 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 CL CL SC B1 FW FW FW FW CL CL SC B1 CL CL FW SC PoP 12hr 60 5 60 5 10 5 60 0 30 Rain shwrs L L L L S S S S L L C C Tstms S S S S S S $$ VIZ001-050800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Fri Jul 4 2025 Date 07/04/25 Sat 07/05/25 Sun 07/06/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 89 79 91 80 Temp 83 81 80 81 85 88 89 87 82 81 79 81 86 90 91 88 84 82 80 81 86 Dewpt 76 76 77 76 77 76 77 76 77 76 75 75 75 74 76 75 75 76 74 75 75 RH 80 85 91 85 77 68 68 70 85 85 88 82 70 60 62 66 74 82 82 82 70 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 17 16 17 20 20 19 19 17 16 19 16 18 16 16 13 13 16 18 20 19 18 Clouds FW FW SC SC SC B1 FW SC SC SC SC SC CL FW SC SC B1 B1 B1 B1 CL PoP 12hr 30 40 10 40 40 QPF 12hr 0.05 0.08 0.03 0.03 0.10 Rain shwrs S S S C C S S S S S S S S C C C C Obvis H H H H H H H H H H H H Heat index 91 88 87 88 96100102 97 90 87 84 86 96100103 98 91 89 85 87 95 Max heat 97 90 96 102 101 89 96 103 102 90 95 Date 07/07 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 79 89 80 89 80 91 81 89 Temp 90 83 79 85 89 83 80 85 89 83 80 87 91 84 81 86 89 84 Dewpt 75 75 74 75 76 76 75 76 76 76 75 76 77 77 76 76 76 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW SC SC SC SC SC SC SC SC FW SC SC SC SC FW FW FW SC PoP 12hr 30 30 20 30 30 20 30 10 20 Rain shwrs S C C C S S S C C S S S C C S S S S $$ VIZ002-050800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Fri Jul 4 2025 Date 07/04/25 Sat 07/05/25 Sun 07/06/25 Mon 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 77 91 77 Temp 81 80 78 79 85 88 89 86 81 79 77 79 85 90 91 88 82 79 78 79 85 Dewpt 74 75 75 75 76 76 76 75 75 75 74 73 74 74 74 74 74 74 73 73 74 RH 79 85 91 88 75 68 66 70 82 88 90 82 70 60 58 63 77 85 85 82 70 Wind dir E E E E E E E E E E E E E E E NE E E E E E Wind spd 14 12 16 17 18 19 18 17 14 16 13 16 14 14 14 13 13 17 17 16 17 Clouds FW CL SC SC SC B1 SC SC FW CL SC SC FW FW SC SC SC SC SC SC CL PoP 12hr 20 40 10 20 20 QPF 12hr 0.04 0.07 0.02 0.02 0.02 Rain shwrs S S S C 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 Heat index 87 84 84 93 99100 95 87 83 93 99100 96 87 83 92 Max heat 94 86 93 100 99 85 93 100 100 86 92 Date 07/07 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 Fri 07/11/25 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 90 78 90 78 90 79 91 80 90 Temp 90 82 78 85 90 82 78 85 90 83 79 86 91 84 80 86 90 82 Dewpt 74 74 73 74 74 74 74 75 75 75 75 75 75 75 75 75 75 72 PWind dir E E E E E E E E E Wind char BZ GN BZ BZ BZ BZ BZ BZ BZ Avg clouds FW FW FW SC SC SC FW FW FW FW FW FW SC SC FW FW CL FW PoP 12hr 10 50 50 5 10 20 30 10 10 Rain shwrs S S S C C C S S S S S S C C S S S $$