Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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952 FOCA52 TJSJ 062103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sat Dec 6 2025 PRZ001-070800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 74 Temp 78 76 75 74 79 86 87 81 78 77 76 75 80 87 88 81 78 77 75 74 80 Dewpt 71 71 72 72 72 71 71 71 72 72 72 72 72 71 70 71 71 71 71 71 71 RH 79 85 90 93 79 61 59 72 82 85 87 90 77 59 55 72 79 82 87 90 74 Wind dir E E E E E E E E E E SE SE SE E E E E E E SE SE Wind spd 9 9 9 8 8 13 13 11 9 9 6 5 5 13 13 9 5 4 5 4 5 Clouds SC B1 SC SC SC SC B1 SC B1 B1 SC B1 FW FW SC SC CL CL FW FW SC PoP 12hr 40 40 40 40 10 QPF 12hr 0.13 0.12 0.14 0.30 0.01 Rain shwrs S C C C S S C S C C C C S S C C S S S Heat index 91 93 85 84 93 93 85 83 Max heat 85 93 90 84 94 91 83 Date 12/09 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 87 75 88 75 88 75 87 Temp 88 77 74 79 87 78 76 80 88 79 76 80 88 79 76 80 87 78 Dewpt 71 71 71 71 71 72 72 72 73 72 72 72 73 72 72 72 73 72 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN BZ GN GN Avg clouds FW FW SC SC SC SC SC B1 SC SC B1 SC SC SC B1 B1 SC SC PoP 12hr 20 20 30 40 40 40 40 40 50 Rain shwrs S S S S S C C C C C C C S C C C C C $$ PRZ002-070800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 85 75 85 74 Temp 78 77 76 75 79 84 85 80 78 77 76 75 79 84 85 80 77 76 75 74 78 Dewpt 72 73 73 73 74 74 73 73 73 74 73 72 73 73 73 73 73 72 72 72 73 RH 82 87 90 94 85 72 67 79 85 90 90 90 82 70 67 79 87 87 90 93 85 Wind dir E E E E E E E E E E SE SE E E E E E E E E E Wind spd 11 12 12 11 12 13 13 11 12 13 11 12 11 13 12 8 9 9 8 9 9 Clouds SC B1 B1 B2 SC SC B2 SC B1 B1 B1 B1 SC SC SC SC CL CL SC SC SC PoP 12hr 50 50 40 30 20 QPF 12hr 0.16 0.14 0.14 0.23 0.03 Rain shwrs C C C C S C C C C C C C S S C C S S S Heat index 91 92 84 90 92 84 Max heat 84 93 89 92 89 Date 12/09 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 74 85 75 85 76 85 76 84 Temp 85 77 75 78 85 78 76 79 85 79 77 80 85 79 77 79 84 78 Dewpt 73 72 72 73 74 73 73 74 75 74 73 74 75 73 73 74 74 74 PWind dir E E E E E E E E E Wind char GN LT GN GN GN BZ BZ BZ BZ Avg clouds SC FW SC SC SC B1 B2 B2 B1 SC B2 B1 SC SC B2 B2 B1 B1 PoP 12hr 20 30 60 60 50 50 60 60 60 Rain shwrs S S S C C L L L C C C C S L L L C L $$ PRZ007-070800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 73 87 72 Temp 77 76 74 73 79 85 87 80 77 76 74 73 79 85 87 80 76 75 73 72 78 Dewpt 68 68 68 68 69 69 68 70 69 69 69 69 69 67 67 68 67 67 66 67 68 RH 74 76 82 84 72 59 53 72 76 79 84 87 72 55 52 67 74 76 79 84 71 Wind dir NE NE NE NE E E E E NE NE NE E E E SE E E NE NE NE E Wind spd 8 5 4 5 4 16 13 12 5 5 5 8 8 13 13 9 4 4 4 4 3 Wind gust 26 Clouds CL SC SC SC SC CL SC SC SC SC SC FW CL CL CL CL CL CL CL CL CL PoP 12hr 30 10 20 0 5 QPF 12hr 0.08 0.02 0.04 0 0 Rain shwrs C S C S S S S S S Heat index 89 91 83 88 90 83 Max heat 83 91 89 90 88 Date 12/09 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 71 86 73 87 74 88 73 87 Temp 86 75 72 77 86 77 74 79 87 78 75 80 88 77 74 79 87 77 Dewpt 68 67 63 68 68 70 69 69 69 66 70 68 70 69 70 70 70 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW FW FW FW SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 5 0 10 5 5 5 10 20 20 Rain shwrs S S S S S S S S S S $$ PRZ008-070800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 86 72 85 71 Temp 76 74 73 72 78 84 86 79 76 75 73 72 77 84 85 78 75 74 72 71 77 Dewpt 72 71 70 70 72 73 74 73 71 71 70 68 71 72 74 72 72 71 69 68 70 RH 87 90 90 93 82 70 68 82 85 87 90 87 82 67 70 82 90 90 90 90 79 Wind dir E E E E E E E E E E E E SE NE NE NE E SE E E E Wind spd 18 14 12 10 10 12 14 16 13 10 6 5 2 4 8 4 4 5 4 4 6 Clouds CL FW CL FW FW CL FW SC CL CL FW CL CL CL SC SC CL CL CL CL FW PoP 12hr 5 30 5 30 5 QPF 12hr 0.01 0.20 0 0.22 0 Rain shwrs S S C C C Heat index 90 94 90 93 Max heat 94 90 93 89 Date 12/09 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 71 85 72 86 72 86 72 84 Temp 85 75 72 77 85 76 73 78 86 76 73 78 86 76 73 77 84 76 Dewpt 73 72 69 70 73 72 70 71 74 73 70 71 74 72 71 72 75 73 PWind dir E E E E E E E E E Wind char LT LT GN GN BZ GN BZ GN GN Avg clouds FW FW FW FW FW SC SC FW SC SC FW FW SC SC CL FW SC SC PoP 12hr 0 0 30 5 20 5 30 10 20 Rain shwrs C C S S S S C C S S S $$ PRZ010-070800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 90 71 90 70 Temp 77 74 72 71 79 88 89 81 77 74 72 71 79 88 89 80 76 74 71 70 78 Dewpt 72 71 70 70 72 75 74 73 72 71 70 69 72 74 74 73 72 71 70 69 71 RH 85 90 93 97 79 66 61 77 85 90 93 93 79 63 61 79 87 90 97 97 79 Wind dir E E E E E E NW SE E E E E E E NE NE E E E E E Wind spd 10 8 6 4 4 2 4 4 5 5 4 4 5 2 8 5 4 4 4 4 4 Clouds CL CL FW FW CL CL SC B2 FW CL FW FW CL CL SC SC CL CL CL CL CL PoP 12hr 0 50 0 20 5 QPF 12hr 0 0.20 0 0.15 0 Rain shwrs C C S S Heat index 98 98 86 97 98 84 Max heat 86 99 95 99 95 Date 12/09 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 69 91 70 91 71 91 70 90 Temp 89 75 70 78 90 76 71 78 90 77 72 79 90 76 71 78 89 77 Dewpt 74 72 70 71 73 72 70 72 74 73 70 72 75 73 70 72 75 73 PWind dir E E E 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 SC FW SC SC CL FW SC SC CL FW SC B2 PoP 12hr 40 0 40 5 40 0 40 10 70 Rain shwrs C C C C S S C C C C S L L Tstms S S $$ VIZ001-070800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 88 78 88 78 Temp 81 80 79 78 82 87 88 83 81 80 79 78 82 87 88 83 81 80 79 78 82 Dewpt 73 74 74 74 74 74 74 75 75 75 74 74 73 74 74 74 73 74 73 73 74 RH 77 82 85 88 77 65 63 77 82 85 85 88 74 65 63 74 77 82 82 85 77 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 19 20 19 17 18 18 17 18 19 17 17 17 18 17 14 12 13 14 14 13 16 Clouds SC B1 B1 B2 SC SC B1 SC B1 B1 SC B1 SC SC CL CL FW FW SC SC SC PoP 12hr 50 40 40 20 20 QPF 12hr 0.17 0.15 0.14 0.02 0.03 Rain shwrs C C C C C C C S C C C C S S S S S S S Heat index 86 84 88 95 97 90 87 85 87 95 97 90 86 84 88 Max heat 90 86 88 97 94 87 87 97 94 86 88 Date 12/09 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 88 78 88 79 88 79 87 Temp 88 80 78 81 88 81 79 82 88 82 80 83 88 82 80 82 87 81 Dewpt 74 73 74 74 74 74 74 74 75 74 74 75 75 75 75 75 76 74 PWind dir E E E E E E E E E Wind char GN GN BZ BZ BZ WY BZ BZ BZ Avg clouds FW FW SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 20 40 40 30 20 30 30 30 Rain shwrs S S S S S C C C C S S S S C C C C C $$ VIZ002-070800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sat Dec 6 2025 Date 12/06/25 Sun 12/07/25 Mon 12/08/25 Tue 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 74 87 74 Temp 78 76 75 74 79 86 87 81 78 76 75 74 79 86 87 81 78 76 75 74 79 Dewpt 73 73 73 72 73 72 72 73 73 73 73 72 73 72 73 72 73 73 72 72 73 RH 85 90 94 93 82 63 61 77 85 90 94 93 82 63 63 74 85 90 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 18 18 16 14 16 17 17 16 14 16 16 14 14 16 13 12 12 13 12 13 14 Clouds SC B1 B1 B1 SC SC B1 SC SC SC B1 SC SC SC CL CL CL CL SC SC FW PoP 12hr 40 40 40 20 20 QPF 12hr 0.15 0.12 0.09 0.01 0.02 Rain shwrs C C C C C S C S S S C S S S S S Heat index 92 94 86 92 94 85 Max heat 85 94 92 94 91 Date 12/09 Wed 12/10/25 Thu 12/11/25 Fri 12/12/25 Sat 12/13/25 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 75 87 75 87 75 86 Temp 86 77 74 78 86 78 76 80 87 78 76 80 87 78 76 79 86 77 Dewpt 72 72 72 73 73 73 73 74 74 73 73 73 73 73 73 74 74 73 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 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 10 20 30 30 20 20 30 30 40 Rain shwrs S S S S C C C S S S S S C C C C C $$