Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
180 FOCA52 TJSJ 020903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Tue Dec 2 2025 PRZ001-022000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Tue Dec 2 2025 Date Tue 12/02/25 Wed 12/03/25 Thu 12/04/25 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 73 87 75 87 Temp 79 86 87 80 77 76 74 73 79 85 87 81 78 77 76 75 80 86 87 82 79 Dewpt 71 72 73 72 72 72 72 71 72 72 72 72 72 72 72 72 73 73 73 73 73 RH 77 63 63 77 85 87 93 93 79 65 61 74 82 85 87 90 79 65 63 74 82 Wind dir E NE NE E SE SE S N SE E E E E E E E E E E E E Wind spd 5 6 5 3 3 3 4 3 3 8 11 9 9 8 6 3 5 10 12 10 9 Clouds B2 B2 B2 B2 SC CL SC FW SC SC B2 B1 SC SC B2 B2 SC SC B1 B1 B2 PoP 12hr 60 50 50 50 50 QPF 12hr 0.32 0.18 0.18 0.17 0.23 Rain shwrs L L C L C C S S C C C C C C C C C C C C Tstms S Heat index 82 92 93 84 92 93 85 84 93 94 87 83 Max heat 82 94 91 94 91 84 95 92 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 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 87 75 87 74 87 75 87 Temp 77 80 87 78 76 80 87 78 75 79 87 78 76 80 87 78 Dewpt 72 72 71 72 71 71 72 72 71 72 72 72 72 72 71 71 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN LT GN Avg clouds B2 B1 SC FW B1 SC FW FW SC SC SC FW B1 B1 B1 B1 PoP 12hr 50 40 40 20 40 40 40 40 Rain shwrs C C C C C C S S C C C C C C C $$ PRZ002-022000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Tue Dec 2 2025 Date Tue 12/02/25 Wed 12/03/25 Thu 12/04/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 74 85 75 85 Temp 78 84 85 80 77 76 75 74 78 84 85 80 78 77 76 75 79 84 85 81 79 Dewpt 74 74 74 73 73 73 72 72 74 74 74 74 73 74 74 74 75 75 75 74 74 RH 88 72 70 79 87 90 90 93 88 72 70 82 85 90 94 97 88 74 72 79 85 Wind dir NE NE E E E SE SE SE E E E E E E E E E E E E E Wind spd 6 6 5 3 3 4 5 5 6 8 9 8 9 9 8 6 9 11 11 10 10 Clouds B2 B2 B2 B2 SC SC SC SC SC SC B2 B1 SC SC B2 B2 SC SC B2 B2 B2 PoP 12hr 60 50 50 50 60 QPF 12hr 0.33 0.19 0.19 0.18 0.29 Rain shwrs L L L L C C C S C C C C C C C C C C L L L Tstms S S S Heat index 91 92 83 91 92 84 92 93 86 Max heat 93 90 92 90 93 91 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 85 76 85 75 85 75 85 Temp 77 80 85 79 77 80 85 78 76 79 85 78 76 79 85 78 Dewpt 74 74 74 73 72 73 74 73 72 74 74 73 73 74 73 73 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B2 B2 SC FW SC B1 SC FW SC B1 SC FW B1 B1 B1 B1 PoP 12hr 60 30 40 40 50 50 40 40 Rain shwrs L L C C C C C C C C C C C C C C $$ PRZ007-022000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Tue Dec 2 2025 Date Tue 12/02/25 Wed 12/03/25 Thu 12/04/25 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 72 86 72 87 Temp 77 85 87 80 76 75 73 72 78 84 86 79 76 75 73 72 78 85 87 80 77 Dewpt 68 68 69 69 69 69 68 68 68 68 70 70 69 68 68 68 68 68 70 72 70 RH 74 57 55 69 79 82 84 87 71 59 59 74 79 79 84 87 71 57 57 77 79 Wind dir N SE S SE NE NE NE NE NE SE SE E NE NE NE NE NE E E E NE Wind spd 2 6 4 2 2 3 3 4 4 9 9 6 4 4 4 4 3 10 14 10 6 Wind gust 25 Clouds CL FW SC OV B2 SC CL CL CL CL B2 B2 SC SC FW FW CL CL B1 B1 SC PoP 12hr 70 60 50 30 40 QPF 12hr 0.45 0.18 0.15 0.04 0.13 Rain shwrs S S L L C C C C C C C S Tstms S S Heat index 89 91 82 87 90 89 91 84 Max heat 91 89 90 88 91 90 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 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 73 87 73 87 72 87 73 86 Temp 74 79 87 77 74 79 87 76 73 78 87 77 74 78 86 76 Dewpt 69 69 68 67 69 66 68 68 67 67 70 66 68 67 70 71 PWind dir NE E NE E NE E NE E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC FW FW CL CL FW FW SC FW FW FW CL CL CL FW PoP 12hr 20 5 0 10 10 0 0 5 Rain shwrs S S S S S S S $$ PRZ008-022000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Tue Dec 2 2025 Date Tue 12/02/25 Wed 12/03/25 Thu 12/04/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 72 83 73 84 Temp 77 83 84 78 75 74 73 72 76 82 83 78 76 75 74 73 77 83 84 79 76 Dewpt 72 73 74 72 72 72 71 68 71 73 74 73 73 73 71 70 73 74 75 74 73 RH 85 72 72 82 90 93 93 87 85 74 74 85 90 94 90 90 87 74 74 85 90 Wind dir E NE NE NE NE E E SE E NE NE E E E E E E E NE E E Wind spd 11 9 9 9 9 8 6 5 4 3 6 6 11 11 10 8 9 13 17 14 16 Clouds SC CL SC B1 SC SC SC FW CL FW SC B1 SC SC SC SC FW FW SC SC SC PoP 12hr 40 40 40 10 30 QPF 12hr 0.16 0.11 0.10 0.03 0.09 Rain shwrs C S C C S S S S C C S S S S C C S Heat index 88 90 87 89 89 91 Max heat 91 88 90 87 92 89 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 85 73 85 72 85 72 84 Temp 74 78 85 76 74 78 85 76 73 77 85 76 73 77 84 75 Dewpt 72 73 73 73 71 71 73 72 70 71 74 73 70 71 74 72 PWind dir E E E E E E E E Wind char GN BZ GN BZ GN GN GN LT Avg clouds SC SC SC FW CL CL FW SC CL CL FW SC CL CL FW FW PoP 12hr 10 10 0 30 0 20 0 10 Rain shwrs S S S S C C S S S S $$ PRZ010-022000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Tue Dec 2 2025 Date Tue 12/02/25 Wed 12/03/25 Thu 12/04/25 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 70 88 70 90 Temp 78 87 88 80 76 73 71 70 77 86 87 79 75 73 71 70 78 88 89 81 77 Dewpt 72 75 75 74 73 72 71 70 71 74 75 75 73 72 71 70 73 75 76 75 74 RH 82 68 66 82 90 97100100 82 68 68 88 94 97100100 85 66 66 82 90 Wind dir NE NE N N NE NE E N E W W NE E E E E E E NE E E Wind spd 8 8 10 8 8 6 4 3 3 1 4 3 3 5 4 3 5 5 3 4 8 Clouds FW CL B2 B1 SC FW SC CL CL CL B2 OV B1 B1 FW FW CL CL B2 B2 SC PoP 12hr 50 50 70 40 60 QPF 12hr 0.19 0.14 0.53 0.06 0.64 Rain shwrs S C C C S C L L C C L L S Tstms S S S S Heat index 96 98 84 94 97 98101 86 Max heat 99 95 98 94 102 97 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 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 90 71 90 70 90 71 89 Temp 72 79 89 77 72 79 89 76 71 78 89 77 72 78 88 76 Dewpt 72 73 74 72 70 71 74 72 70 71 74 73 70 71 75 73 PWind dir E E E E E E E NE Wind char GN LT LT LT LT LT LT LT Avg clouds SC FW FW FW CL CL FW SC CL CL FW SC CL CL FW SC PoP 12hr 10 20 0 40 0 40 0 30 Rain shwrs S S S S C C C C C C $$ VIZ001-022000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Tue Dec 2 2025 Date Tue 12/02/25 Wed 12/03/25 Thu 12/04/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 78 87 78 87 Temp 81 86 87 83 81 80 79 78 82 86 87 83 81 80 79 78 82 86 87 83 81 Dewpt 75 75 75 75 73 73 73 74 74 75 75 75 75 75 75 75 76 76 76 76 75 RH 82 70 68 77 77 79 82 88 77 70 68 77 82 85 88 91 82 72 70 80 82 Wind dir NE E SE SE SE SE E E E E E E E E E E E E E E E Wind spd 10 9 8 9 9 11 11 11 12 11 12 13 13 14 14 12 14 14 13 14 17 Clouds SC SC B1 B2 SC SC SC SC SC SC B1 B1 SC SC SC SC B1 B1 B2 B2 B2 PoP 12hr 50 50 40 30 50 QPF 12hr 0.28 0.20 0.17 0.09 0.26 Rain shwrs C C C C C C C C C C C C C C S S C C C C C Tstms S S S Heat index 87 95 96 89 85 84 87 95 96 90 86 84 88 96 97 91 87 Max heat 87 96 94 85 87 96 94 85 88 98 96 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 87 78 87 78 88 79 87 Temp 80 82 87 81 79 82 87 81 79 82 88 82 80 82 87 81 Dewpt 74 74 74 74 73 74 74 73 74 75 74 74 74 75 74 73 PWind dir E E E E E E E E Wind char BZ GN BZ BZ BZ BZ BZ GN Avg clouds B2 B1 FW FW SC SC SC FW SC SC SC FW SC SC SC SC PoP 12hr 50 10 20 30 30 10 20 20 Rain shwrs C C S S S S S C C C S S S S S S $$ VIZ002-022000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Tue Dec 2 2025 Date Tue 12/02/25 Wed 12/03/25 Thu 12/04/25 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 74 86 75 86 Temp 78 85 86 80 77 76 75 74 79 85 86 81 78 77 76 75 79 85 86 81 78 Dewpt 74 73 73 73 72 72 72 72 74 73 74 73 74 74 74 74 75 75 74 74 74 RH 88 67 65 79 85 87 90 93 85 67 68 77 88 90 94 97 88 72 68 79 88 Wind dir NE SE SE SE E E E E E E E E E E E E E E E E E Wind spd 8 6 8 5 8 9 9 9 9 12 12 11 12 11 11 11 13 14 13 12 14 Clouds SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC B1 B1 B2 B2 B2 PoP 12hr 50 50 50 30 50 QPF 12hr 0.23 0.21 0.19 0.10 0.26 Rain shwrs C C C C C C C C C C C C C C C C C C C C C Tstms S S Heat index 91 93 84 91 93 85 83 93 94 85 Max heat 93 90 93 91 83 94 91 Date Fri 12/05/25 Sat 12/06/25 Sun 12/07/25 Mon 12/08/25 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 86 75 86 74 86 75 85 Temp 76 79 86 78 76 79 86 77 75 79 86 78 76 79 85 78 Dewpt 73 74 73 72 72 73 73 73 72 74 73 73 73 73 73 72 PWind dir E E E E E E E E Wind char GN GN BZ BZ GN GN GN GN Avg clouds B2 SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 10 10 30 30 20 20 20 Rain shwrs C C S S S S C C C C S S S S S S $$