Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
709 FOCA52 TJSJ 030903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Wed Dec 3 2025 PRZ001-032000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 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 85 74 85 76 85 Temp 78 84 85 80 77 76 75 74 78 84 85 81 79 78 77 76 80 84 85 80 77 Dewpt 72 72 72 72 72 72 73 72 73 74 73 73 73 73 72 72 71 71 71 72 71 RH 82 67 65 77 85 87 94 93 85 72 67 77 82 85 85 87 74 65 63 77 82 Wind dir SE E E E E E E SE E E E E E E E E E E E E E Wind spd 3 8 11 9 9 8 5 4 5 12 11 10 9 8 8 11 9 13 13 11 10 Clouds SC B1 B2 B1 SC SC B2 B2 SC SC B1 B2 B1 B1 SC SC CL CL CL CL B1 PoP 12hr 50 50 50 40 40 QPF 12hr 0.20 0.17 0.27 0.06 0.01 Rain shwrs S C C C C S C C C C C C C C C C C Tstms S Heat index 90 91 84 91 92 86 83 89 90 84 Max heat 91 88 93 90 83 90 88 Date Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 85 75 86 74 85 74 86 Temp 75 78 85 78 76 79 86 77 75 78 85 77 75 79 86 77 Dewpt 71 71 71 72 71 72 72 72 72 72 71 72 71 71 71 71 PWind dir E E E E E E SE E Wind char GN GN GN GN GN GN LT LT Avg clouds B1 SC FW FW SC SC SC FW B1 B1 B1 B1 SC SC SC CL PoP 12hr 40 20 40 40 40 40 30 20 Rain shwrs C C S S C C C C C C C C C S $$ PRZ002-032000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 75 84 76 84 Temp 78 84 85 80 78 77 76 75 79 83 84 80 78 77 77 76 79 83 84 80 78 Dewpt 74 74 74 74 74 74 74 73 75 76 75 75 74 73 73 72 73 74 73 73 72 RH 88 72 70 82 88 90 94 94 88 80 74 85 88 87 87 87 82 74 70 79 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 6 11 8 8 9 9 6 6 9 11 11 10 10 10 11 12 10 14 13 11 11 Clouds SC B1 B2 B1 SC SC B2 B2 B1 B1 B1 B1 B2 B2 SC SC CL CL SC SC SC PoP 12hr 50 50 50 50 30 QPF 12hr 0.21 0.18 0.23 0.06 0.03 Rain shwrs S C C C C C C C C C C C C C C C S S C Heat index 91 93 84 91 92 85 90 90 84 Max heat 93 90 93 90 91 89 Date Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 84 75 84 75 84 75 84 Temp 76 79 84 78 76 79 84 78 76 79 84 78 76 79 84 77 Dewpt 72 73 73 73 73 73 74 73 73 74 73 72 72 73 73 72 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN LT LT Avg clouds SC B1 B1 SC SC SC SC FW B1 B1 B1 B1 SC B1 SC FW PoP 12hr 40 40 50 50 40 40 50 50 Rain shwrs C C C C S C C C C C C C C C C C $$ PRZ007-032000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 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 86 72 87 73 87 Temp 78 84 86 79 76 75 73 72 78 85 87 80 77 76 74 73 79 85 87 80 76 Dewpt 67 68 70 69 68 67 68 67 67 68 70 71 70 69 68 69 68 66 71 69 67 RH 69 59 59 72 76 76 84 84 69 57 57 74 79 79 82 87 69 53 59 69 74 Wind dir NE E SE SE NE NE NE NE NE E E E NE NE NE NE NE E E E NE Wind spd 3 8 8 8 4 4 4 3 3 10 13 10 6 5 5 4 6 12 14 11 6 Clouds SC SC B2 B2 SC FW CL SC FW FW B1 B2 SC SC CL CL CL CL SC SC CL PoP 12hr 50 10 50 20 5 QPF 12hr 0.19 0.02 0.27 0.01 0.01 Rain shwrs S S C C S S C C S S S S Tstms S Heat index 87 91 88 92 83 87 93 83 Max heat 91 88 92 90 93 90 Date Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 72 86 73 87 73 86 72 86 Temp 73 78 86 77 74 79 87 77 74 78 86 76 73 78 86 76 Dewpt 66 67 70 68 68 68 71 69 68 69 71 72 68 62 72 69 PWind dir NE E NE E E E NE E Wind char LT GN LT GN LT LT LT LT Avg clouds CL CL FW SC SC FW FW FW CL CL FW FW FW FW FW FW PoP 12hr 0 5 5 0 0 5 5 10 Rain shwrs S S S S S S S S $$ PRZ008-032000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 72 84 73 84 Temp 77 83 84 78 75 74 73 72 77 83 84 79 76 75 74 73 77 83 84 78 75 Dewpt 71 72 75 74 73 72 71 70 73 74 76 74 74 73 72 70 72 73 73 73 72 RH 82 70 74 88 94 93 93 93 87 74 77 85 94 94 93 90 85 72 70 85 90 Wind dir E E NE E E E E E E E NE E E E E E E E NE E E Wind spd 6 5 6 6 10 11 9 10 11 13 17 13 16 13 12 12 12 17 18 18 18 Clouds FW SC SC B1 FW FW SC SC FW SC SC SC SC SC SC SC CL CL SC SC CL PoP 12hr 40 20 30 10 10 QPF 12hr 0.14 0.04 0.11 0.01 0.02 Rain shwrs S C C S S S S C C S S S S S S Heat index 88 92 90 93 89 90 Max heat 92 88 93 89 90 87 Date Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 84 72 85 71 84 72 84 Temp 73 77 84 75 73 77 85 75 72 76 84 75 73 77 84 75 Dewpt 70 71 73 72 71 71 74 73 70 71 74 72 70 71 74 72 PWind dir E E E E E NE E E Wind char GN BZ GN GN GN LT LT LT Avg clouds CL CL FW SC SC FW FW FW CL CL FW SC FW FW FW FW PoP 12hr 0 20 10 5 0 10 5 20 Rain shwrs S S S S S S S S S $$ PRZ010-032000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 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 71 89 71 88 Temp 77 86 87 80 76 74 72 71 78 87 88 80 76 74 72 71 78 86 87 80 76 Dewpt 72 75 76 75 73 72 71 70 72 76 76 75 74 72 71 71 73 75 74 73 72 RH 85 70 70 85 90 93 97 97 82 70 68 85 94 93 97100 85 70 65 79 87 Wind dir E N W NE NE NE NE NE NE NE E NE E E E E E E E E E Wind spd 4 1 5 4 4 4 3 5 6 6 6 3 9 8 6 6 5 3 2 3 8 Clouds CL FW B2 OV FW FW CL FW CL FW B2 B2 SC SC CL CL CL CL SC SC CL PoP 12hr 70 5 60 10 20 QPF 12hr 0.50 0.01 0.51 0 0.04 Rain shwrs L L C L S S S S Tstms S S S S Heat index 95 98 85 98 99 85 95 95 84 Max heat 98 94 100 96 97 93 Date Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 71 89 71 90 71 89 70 89 Temp 72 78 88 76 72 79 89 77 72 78 88 76 71 78 88 75 Dewpt 70 71 74 72 70 71 75 72 70 71 74 73 71 71 74 73 PWind dir E E E E E E E E Wind char GN LT LT LT LT LT LT LT Avg clouds CL CL FW SC CL CL FW SC CL CL FW SC CL CL SC B1 PoP 12hr 0 40 0 30 0 40 0 50 Rain shwrs C C C C C C C C $$ VIZ001-032000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 79 86 78 86 Temp 81 84 85 82 81 80 79 79 82 85 86 82 80 79 79 78 81 85 86 83 81 Dewpt 74 75 75 75 75 75 75 75 76 76 75 75 74 75 74 73 74 74 74 74 73 RH 79 74 72 79 82 85 88 88 82 75 70 79 82 88 85 85 79 70 68 74 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 12 13 11 12 13 13 13 12 14 16 14 14 17 18 19 17 18 19 16 18 19 Clouds SC B1 B1 B2 SC B1 SC SC SC B1 B1 B1 B1 B1 FW FW SC SC SC SC SC PoP 12hr 50 40 40 40 30 QPF 12hr 0.21 0.12 0.16 0.03 0.09 Rain shwrs C C C C C C S S S C C C C C C C C C S Heat index 86 92 94 89 87 85 89 94 95 89 84 86 93 94 90 86 Max heat 86 94 92 87 89 96 94 84 86 94 93 Date Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 86 78 86 79 86 78 86 Temp 79 82 86 80 79 81 86 81 79 82 86 80 79 81 86 80 Dewpt 73 73 74 74 74 75 75 75 74 74 74 74 74 73 73 73 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ GN GN GN Avg clouds SC SC SC SC SC SC FW FW SC SC SC SC FW FW CL FW PoP 12hr 20 20 20 30 30 20 5 20 Rain shwrs S S S S S S S C C C S S S S S $$ VIZ002-032000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Wed Dec 3 2025 Date Wed 12/03/25 Thu 12/04/25 Fri 12/05/25 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 84 74 84 75 85 Temp 78 83 84 79 77 76 75 74 78 83 84 80 78 77 76 75 79 84 85 80 77 Dewpt 73 73 74 74 74 74 74 74 75 75 74 74 73 73 72 72 73 73 72 72 72 RH 85 72 72 85 90 94 97100 91 77 72 82 85 87 87 90 82 70 65 77 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 10 11 11 10 11 11 12 10 12 14 14 14 14 14 16 14 14 18 14 16 18 Clouds SC B2 B1 SC SC B1 SC SC SC B1 B1 B1 B1 B1 CL CL SC SC SC SC SC PoP 12hr 50 40 40 40 10 QPF 12hr 0.18 0.13 0.16 0.02 0.03 Rain shwrs C C C C C C C S S C C C C C S S S S S Heat index 89 91 90 91 84 90 91 84 Max heat 91 88 91 90 91 88 Date Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 12/09/25 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 85 74 85 75 85 74 86 Temp 75 78 85 77 75 78 85 78 76 79 85 77 75 79 86 77 Dewpt 72 73 73 73 72 74 73 73 73 73 72 73 72 73 72 72 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ GN GN GN GN Avg clouds SC SC SC SC CL FW SC SC SC SC SC SC SC FW FW SC PoP 12hr 10 20 10 20 20 20 10 30 Rain shwrs S S S S S S S S S S S S S C C $$