Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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142 FOCA52 TJSJ 042103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Thu Dec 4 2025 PRZ001-050800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 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 76 86 75 86 76 Temp 79 78 77 76 80 85 86 81 78 77 76 75 79 85 86 81 79 78 77 76 80 Dewpt 73 72 72 71 71 71 71 70 71 71 70 70 71 72 72 72 71 72 71 71 72 RH 82 82 85 85 74 63 61 69 79 82 82 84 77 65 63 74 77 82 82 85 77 Wind dir E SE SE E E E E E E E E E E E E E E E E E E Wind spd 9 9 8 8 8 16 13 10 9 11 10 8 11 14 13 11 11 10 8 8 9 Clouds SC SC B1 B1 SC CL FW CL B1 SC B1 B1 FW FW CL CL SC SC SC SC SC PoP 12hr 40 40 40 20 40 QPF 12hr 0.19 0.04 0.13 0 0.03 Rain shwrs S C C C C C C C C S S S S C Heat index 83 90 91 84 82 90 92 85 84 Max heat 86 83 92 89 82 92 90 84 Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 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 87 76 87 75 87 75 86 75 85 Temp 87 79 77 80 87 78 76 80 87 78 76 79 86 78 76 79 85 77 Dewpt 72 72 72 72 71 71 71 71 71 72 71 71 71 71 72 72 72 72 PWind dir E SE E SE E SE E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds SC FW FW SC SC SC FW FW FW FW FW SC SC SC SC SC FW SC PoP 12hr 40 30 40 20 20 30 30 20 30 Rain shwrs C S S C C C S S S S S C C S S S S C $$ PRZ002-050800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 85 76 85 76 Temp 78 77 76 75 79 84 85 81 79 78 77 76 80 84 85 81 79 78 77 76 80 Dewpt 74 73 72 71 73 73 72 72 72 71 71 71 73 74 74 73 73 73 72 72 73 RH 88 87 87 87 82 70 65 74 79 79 82 85 79 72 70 77 82 85 85 87 79 Wind dir E E E E E E E E NE E E E E E E E E E E E E Wind spd 11 12 11 9 11 14 12 10 11 13 10 11 13 14 12 12 11 11 11 12 12 Clouds SC B1 B2 B2 SC CL FW SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 30 40 40 40 QPF 12hr 0.22 0.04 0.13 0.09 0.02 Rain shwrs S C C C C S S C C C C C C C S S S S C Heat index 90 91 85 83 91 92 85 84 Max heat 85 91 89 83 92 90 84 Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 74 86 73 86 74 85 74 84 Temp 86 77 75 79 86 77 74 78 86 77 75 78 85 77 75 78 84 78 Dewpt 74 73 73 73 73 73 72 72 73 73 72 72 72 72 72 73 73 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN BZ BZ Avg clouds SC FW SC SC SC SC FW SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 40 40 40 50 50 30 40 40 40 Rain shwrs C C C C C C S C C S S C C C C C C C $$ PRZ007-050800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 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 73 88 73 87 74 Temp 77 75 74 73 79 86 88 80 77 75 74 73 78 86 87 81 78 76 75 74 80 Dewpt 70 69 69 69 68 68 70 69 68 65 67 65 66 68 69 70 69 68 68 66 65 RH 79 82 84 87 69 55 55 69 74 71 79 76 67 55 55 69 74 76 79 76 60 Wind dir NE NE NE NE NE E E E NE NE NE NE NE E E E E NE NE NE E Wind spd 6 4 4 5 4 13 12 10 6 5 6 6 5 13 14 9 6 5 5 5 5 Wind gust 24 Clouds SC CL SC FW CL CL FW SC FW FW FW FW CL CL SC SC SC SC SC SC CL PoP 12hr 10 5 0 10 5 QPF 12hr 0.04 0.03 0 0.01 0.01 Rain shwrs S S S S S S S S S S Heat index 89 92 83 89 91 84 81 Max heat 85 92 90 91 89 81 Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 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 74 88 73 87 73 87 74 86 Temp 88 78 75 80 87 77 74 78 87 77 74 78 87 78 75 79 86 76 Dewpt 70 69 67 68 71 70 66 69 65 65 67 68 69 70 70 70 70 70 PWind dir E E E E E E E E E Wind char GN LT LT LT GN LT GN LT GN Avg clouds FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW PoP 12hr 10 0 5 5 5 5 5 0 5 Rain shwrs S S S $$ PRZ008-050800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 85 72 85 73 Temp 76 75 73 73 77 84 85 79 76 75 73 72 77 84 85 79 76 75 74 73 78 Dewpt 74 72 71 70 71 72 73 72 71 71 70 68 70 72 74 73 72 71 70 69 71 RH 94 90 93 90 82 67 67 79 85 87 90 87 79 67 70 82 87 87 87 87 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 17 13 11 9 11 14 18 16 19 14 12 13 12 13 16 18 18 13 11 11 11 Clouds SC SC SC SC CL CL FW CL FW SC FW FW CL CL SC SC B1 B1 B1 B1 CL PoP 12hr 10 5 10 40 40 QPF 12hr 0.05 0 0.01 0.03 0.03 Rain shwrs S S S S S S S C C C C Heat index 89 91 90 92 Max heat 92 89 92 89 Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 72 86 73 85 73 86 73 85 Temp 86 76 73 78 85 76 73 77 84 76 73 78 86 77 74 78 85 76 Dewpt 74 72 70 71 73 72 70 71 73 72 70 68 67 67 68 69 70 71 PWind dir E E NE E E E E E E Wind char GN GN LT LT GN GN BZ GN BZ Avg clouds FW FW SC FW FW SC CL CL CL CL CL CL SC B1 FW FW FW FW PoP 12hr 20 20 40 5 0 0 60 10 20 Rain shwrs S S S S C C L L S S S S $$ PRZ010-050800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 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 71 89 71 90 72 Temp 76 74 72 71 78 87 88 80 76 74 73 71 79 88 90 81 77 75 73 72 79 Dewpt 74 73 70 70 71 73 74 73 72 71 69 68 70 74 74 73 73 71 70 69 72 RH 94 97 93 97 79 63 63 79 87 90 87 90 74 63 60 77 87 87 90 90 79 Wind dir E E NE NE E E E NE NE NE NE E E E E E E E E E E Wind spd 9 5 4 3 5 3 3 4 11 8 6 5 5 2 3 8 10 6 4 5 5 Clouds SC SC FW CL CL CL FW SC FW CL CL CL CL CL B1 B1 B1 B1 B1 B1 CL PoP 12hr 10 20 5 40 40 QPF 12hr 0.02 0.04 0 0.04 0.03 Rain shwrs S S S C C C C C C Tstms Heat index 94 97 84 96 99 86 83 Max heat 86 98 94 99 96 83 Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 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 72 91 70 90 70 91 72 90 Temp 91 78 73 80 90 76 72 78 89 75 71 78 91 77 73 79 89 76 Dewpt 74 72 70 71 74 73 71 71 74 72 70 70 70 71 72 73 73 72 PWind dir E E SE E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC CL CL FW SC CL CL FW SC CL CL FW SC CL CL FW SC PoP 12hr 50 0 40 5 40 0 50 0 40 Rain shwrs C C C C C C C C C C $$ VIZ001-050800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 86 76 87 77 Temp 79 78 77 76 80 85 86 81 79 78 77 76 80 86 87 82 80 79 78 77 81 Dewpt 74 74 73 73 74 74 74 74 72 72 73 73 74 74 74 75 74 74 74 73 74 RH 85 88 87 90 82 70 68 79 79 82 87 90 82 68 65 79 82 85 88 87 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 19 20 16 17 20 17 16 16 20 20 18 19 19 18 16 16 18 19 18 17 18 Clouds B1 B1 SC B2 SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 50 30 20 20 20 QPF 12hr 0.19 0.04 0.06 0.04 0.02 Rain shwrs C C S C S C C S S S S S S S S S S S S S Heat index 83 84 92 93 86 85 94 95 88 84 86 Max heat 87 84 94 92 85 95 93 83 86 Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 77 87 77 86 77 87 77 86 Temp 87 80 78 81 87 80 78 81 86 80 78 81 87 80 78 81 86 80 Dewpt 75 75 74 74 74 73 73 73 74 74 74 75 75 75 76 76 75 74 PWind dir E E E E E E E E E Wind char BZ BZ GN GN GN BZ BZ BZ BZ Avg clouds FW FW SC SC SC SC SC SC CL FW SC SC SC SC SC SC SC FW PoP 12hr 40 40 30 30 20 20 40 40 40 Rain shwrs S C C C S C C C S S S S C C C C C $$ VIZ002-050800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Thu Dec 4 2025 Date 12/04/25 Fri 12/05/25 Sat 12/06/25 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 87 75 88 75 Temp 78 77 75 74 79 86 87 81 78 77 76 75 80 87 88 82 79 77 76 75 80 Dewpt 73 73 72 72 73 73 72 72 71 72 72 72 73 73 72 72 72 73 73 72 73 RH 85 87 90 93 82 65 61 74 79 85 87 90 79 63 59 72 79 87 90 90 79 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 17 12 14 14 16 14 14 18 17 17 18 17 17 14 16 16 18 17 16 16 Clouds B2 B2 B2 SC SC SC SC FW SC FW CL CL SC SC SC SC CL CL CL CL FW PoP 12hr 50 20 20 20 10 QPF 12hr 0.21 0.03 0.01 0.03 0 Rain shwrs C C C S S S S S S S S S S Heat index 83 92 93 85 84 94 94 86 85 Max heat 86 83 93 91 84 95 92 85 Date 12/07 Mon 12/08/25 Tue 12/09/25 Wed 12/10/25 Thu 12/11/25 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 74 87 74 87 75 84 Temp 88 79 76 80 87 78 75 79 87 78 75 79 87 78 76 79 84 78 Dewpt 73 73 72 73 73 72 71 72 73 72 72 72 72 73 74 74 74 73 PWind dir E E E E E E E E E Wind char BZ GN GN GN GN BZ BZ BZ BZ Avg clouds FW FW SC SC SC FW SC FW CL FW SC SC SC SC SC SC FW FW PoP 12hr 40 40 20 20 20 20 20 20 20 Rain shwrs S C C C S S S S S S S S S S S S S $$