Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
369 FOCA52 TJSJ 092103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Tue Dec 9 2025 PRZ001-100800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Tue Dec 9 2025 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 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 87 75 88 75 Temp 77 76 74 73 79 85 87 81 78 77 76 75 80 87 88 82 79 77 76 75 80 Dewpt 70 70 70 70 71 72 72 72 73 73 72 72 72 72 71 72 72 72 72 72 72 RH 79 82 87 90 77 65 61 74 85 87 87 90 77 61 57 72 79 85 87 90 77 Wind dir SE SE SE SE SE E E E E E E E E E E E E E E E E Wind spd 8 5 4 3 3 12 16 12 10 9 8 9 10 13 13 11 8 9 10 10 10 Clouds SC CL CL SC SC SC SC B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 50 40 20 20 QPF 12hr 0.06 0.29 0.08 0.04 0.03 Rain shwrs S S S C C C C C S S S S S S S S S S S Heat index 92 93 85 84 93 94 86 84 Max heat 83 94 91 84 94 92 84 Date 12/12 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 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 73 87 Temp 88 79 76 80 87 78 75 79 87 78 75 79 87 77 74 79 87 78 Dewpt 72 72 72 72 73 73 72 72 72 72 72 72 72 72 72 72 72 72 PWind dir E E E E E SE E E E Wind char GN GN BZ GN GN LT GN LT LT Avg clouds SC SC SC SC SC B1 B2 B2 B1 B1 SC B1 B2 B2 B1 B1 B1 B2 PoP 12hr 30 30 50 50 50 50 60 40 60 Rain shwrs C C C C C C C C C C C C L L C C L L $$ PRZ002-100800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Tue Dec 9 2025 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 85 76 85 76 Temp 77 76 75 74 78 84 85 81 79 78 77 76 80 84 85 81 79 78 77 76 80 Dewpt 71 71 72 72 74 75 74 74 74 73 73 73 73 74 74 74 73 73 73 73 73 RH 82 85 90 93 88 74 70 79 85 85 87 90 79 72 70 79 82 85 87 90 79 Wind dir SE E E E E E E E E E E E E E E E E E E E E Wind spd 10 6 5 3 6 13 17 13 13 12 12 13 12 13 13 12 10 10 11 12 12 Clouds SC CL SC SC B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 40 60 40 30 30 QPF 12hr 0.13 0.45 0.13 0.06 0.06 Rain shwrs S S C C C L C C C C C S S S S C C C C S Heat index 91 92 85 84 91 92 85 84 Max heat 83 93 90 84 92 90 84 Date 12/12 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 76 85 76 85 75 85 74 85 Temp 86 79 77 80 85 79 77 80 85 78 76 79 85 77 75 78 85 77 Dewpt 74 73 73 74 75 74 73 74 74 73 73 73 74 73 72 74 74 73 PWind dir E E E E E E E E E Wind char GN GN BZ GN GN GN GN LT LT Avg clouds SC SC SC SC SC B1 B2 B2 B1 B1 SC B1 B1 B1 B2 B2 B1 B1 PoP 12hr 30 30 50 50 50 50 50 50 50 Rain shwrs C C C C C C C C C C C C C C C C C C $$ PRZ007-100800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Tue Dec 9 2025 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 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 87 73 87 72 Temp 75 74 72 71 77 85 87 80 77 76 74 73 79 85 87 80 76 75 73 72 78 Dewpt 69 67 67 68 68 68 70 71 71 69 67 68 70 66 68 71 70 70 69 69 68 RH 82 79 84 90 74 57 57 74 82 79 79 84 74 53 53 74 82 84 87 90 71 Wind dir NE NE NE NE NE E E E E E E E E E E E E NE NE NE E Wind spd 8 5 4 4 4 9 13 10 9 8 4 4 9 14 11 9 6 5 5 5 6 Wind gust 24 25 Clouds FW CL CL CL FW FW FW FW SC B2 SC SC SC SC FW FW SC SC SC SC FW PoP 12hr 5 30 50 10 10 QPF 12hr 0.01 0.10 0.10 0.02 0.02 Rain shwrs S C C S S S S S S S S S Heat index 89 91 83 88 90 83 Max heat 91 90 90 88 Date 12/12 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 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 73 88 73 87 72 86 71 87 Temp 88 77 74 79 88 77 74 79 87 76 73 78 86 75 72 77 87 76 Dewpt 66 70 69 69 67 69 68 68 70 71 69 69 69 70 69 68 71 70 PWind dir E E E E E E E NE E Wind char GN LT GN LT GN LT LT LT LT Avg clouds SC SC SC SC FW FW FW FW SC SC FW FW SC SC FW FW SC SC PoP 12hr 10 10 5 5 20 20 20 5 30 Rain shwrs S S S S S S S S S S S C C $$ PRZ008-100800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Tue Dec 9 2025 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 85 72 86 72 Temp 74 73 71 70 76 83 85 79 76 74 73 72 78 84 86 79 76 75 73 72 78 Dewpt 72 70 68 67 70 72 75 74 73 72 70 69 72 72 74 73 73 71 71 71 71 RH 93 90 90 90 82 70 72 85 90 93 90 90 82 67 68 82 90 87 93 97 79 Wind dir SE E E E E E E E E E E E E E NE NE E E E E E Wind spd 2 5 4 3 5 10 12 6 5 8 11 9 10 8 8 8 9 11 13 12 12 Clouds SC FW CL CL FW CL SC B2 SC SC CL CL CL CL SC SC FW FW FW FW FW PoP 12hr 10 60 30 10 5 QPF 12hr 0.02 0.90 0.04 0.02 0.01 Rain shwrs S C L C C S S Heat index 89 92 90 93 Max heat 93 90 93 90 Date 12/12 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 73 86 72 86 71 85 71 85 Temp 86 77 74 78 86 76 73 78 86 75 72 77 85 75 72 77 85 76 Dewpt 74 72 71 72 75 73 71 71 73 72 70 70 74 72 70 71 74 72 PWind dir E E E E E E E E E Wind char BZ GN BZ GN LT LT LT LT LT Avg clouds SC SC FW FW SC SC FW FW SC SC FW FW SC B1 SC FW SC B1 PoP 12hr 30 5 30 5 50 10 60 5 60 Rain shwrs C C C C C C S L L S S L L $$ PRZ010-100800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Tue Dec 9 2025 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 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 68 91 71 92 71 Temp 74 72 70 68 77 88 90 81 77 75 72 71 79 90 91 82 77 75 72 71 79 Dewpt 73 71 69 68 70 74 75 74 73 72 71 70 72 74 74 74 72 71 71 71 72 RH 97 97 97100 79 63 62 79 87 90 97 97 79 60 58 77 85 87 97100 79 Wind dir E E E E E E NW E E E E E E E E NE E E E E E Wind spd 3 5 6 4 4 3 5 4 3 5 4 5 4 4 3 2 3 5 6 5 4 Clouds FW CL CL CL CL CL SC SC SC SC CL CL CL CL B1 B1 FW FW FW FW FW PoP 12hr 5 20 30 40 5 QPF 12hr 0.01 0.19 0.04 0.06 0.01 Rain shwrs S S S C C C Heat index 97101 86 83 99101 87 Max heat 102 97 83 102 98 Date 12/12 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 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 71 92 71 91 70 91 70 90 Temp 90 77 72 79 91 77 72 79 90 76 71 78 90 76 71 78 89 76 Dewpt 74 73 71 72 75 72 70 72 73 72 70 71 74 73 71 71 75 73 PWind dir E E E E E E E E E Wind char LT LT LT LT GN LT LT LT LT Avg clouds SC SC FW FW SC SC CL CL SC SC CL FW SC B1 FW FW SC B1 PoP 12hr 40 5 30 0 50 5 60 5 60 Rain shwrs C C C C C C S L L L L $$ VIZ001-100800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Tue Dec 9 2025 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 88 78 88 78 Temp 81 80 79 78 82 87 88 83 81 80 79 78 82 87 88 83 81 80 79 78 82 Dewpt 72 74 74 74 75 75 75 76 75 75 74 74 75 75 75 75 75 74 73 74 75 RH 74 82 85 88 79 68 66 80 82 85 85 88 79 68 66 77 82 82 82 88 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 10 10 17 19 21 21 19 20 18 18 21 19 17 18 17 17 17 18 18 18 Clouds FW CL SC B1 B2 B1 B1 B2 SC SC SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 50 50 30 10 20 QPF 12hr 0.15 0.39 0.06 0.02 0.03 Rain shwrs S C C C C C S S C C S S S S S S S S S Heat index 85 84 88 97 97 91 86 84 88 96 97 90 86 84 89 Max heat 88 84 88 98 96 86 88 98 96 86 89 Date 12/12 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 78 88 78 88 77 88 77 88 Temp 89 81 79 82 88 81 79 82 88 80 78 81 88 80 78 81 88 80 Dewpt 75 75 75 76 76 75 75 75 75 74 74 75 75 74 74 75 75 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ GN GN GN Avg clouds SC SC SC SC SC SC B2 B2 B1 SC B1 B1 B1 SC B2 B2 B1 SC PoP 12hr 20 30 50 50 50 50 50 50 50 Rain shwrs S S S C C C C C C C C C C C C C C C $$ VIZ002-100800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Tue Dec 9 2025 Date 12/09/25 Wed 12/10/25 Thu 12/11/25 Fri 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 86 74 87 74 Temp 77 75 74 73 78 85 86 80 77 76 75 74 79 86 87 81 78 76 75 74 79 Dewpt 71 72 72 72 74 74 74 73 73 73 73 72 73 73 73 73 73 72 72 72 73 RH 82 90 93 97 88 70 68 79 87 90 94 93 82 65 63 77 85 87 90 93 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 9 9 10 10 16 20 19 18 16 17 17 19 18 17 17 16 16 14 14 17 19 Clouds CL CL SC B1 B2 B2 B1 SC SC SC SC SC FW FW SC SC SC SC SC SC SC PoP 12hr 50 50 10 10 10 QPF 12hr 0.16 0.32 0.02 0.01 0.02 Rain shwrs S C C C C S S S S S S S S S S S S Heat index 92 93 84 83 93 94 85 Max heat 83 94 91 83 94 92 Date 12/12 Sat 12/13/25 Sun 12/14/25 Mon 12/15/25 Tue 12/16/25 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 75 86 74 87 74 86 73 86 Temp 86 78 76 79 86 77 75 79 87 78 75 79 86 77 74 78 86 77 Dewpt 73 73 73 74 74 73 73 73 73 73 72 73 73 73 73 74 73 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC B1 B1 SC SC PoP 12hr 20 20 20 20 40 50 50 40 20 Rain shwrs S S S S S S S S S C C C C C C C S S $$