Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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696 FOCA52 TJSJ 172103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Mon Nov 17 2025 PRZ001-180800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Mon Nov 17 2025 Date 11/17/25 Tue 11/18/25 Wed 11/19/25 Thu 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 88 76 87 75 Temp 79 77 76 75 81 87 88 82 80 78 77 76 81 86 87 81 79 77 76 75 80 Dewpt 73 73 73 73 73 74 74 74 73 73 73 72 73 73 73 73 73 73 72 72 72 RH 82 87 90 94 77 65 63 77 79 85 87 87 77 65 63 77 82 87 87 90 77 Wind dir E E E E E E E E E E E E E E E E NE E NE NE NE Wind spd 5 4 6 5 8 11 12 10 8 9 9 11 11 13 13 11 9 8 6 5 5 Clouds SC B1 B2 B2 SC SC SC SC B2 B1 B2 B2 B2 B2 SC SC B2 B2 B2 B2 SC PoP 12hr 50 50 50 50 50 QPF 12hr 0.04 0.10 0.20 0.14 0.10 Rain shwrs S C C C C S S C C C C C C C C C C C C C C Tstms S S S S Heat index 86 95 97 88 83 86 93 94 86 84 Max heat 87 86 97 94 86 94 92 84 Date 11/20 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 87 75 88 75 87 75 87 Temp 86 78 75 80 87 79 76 81 88 79 76 81 87 79 76 81 87 79 Dewpt 73 72 71 71 71 71 70 70 70 70 69 70 70 70 70 70 70 70 PWind dir NE NE NE E E E E E E Wind char GN LT GN LT GN LT LT LT GN Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC PoP 12hr 40 30 30 30 30 30 20 30 30 Rain shwrs C C C C C C C C C C C C S S C C C $$ PRZ002-180800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Mon Nov 17 2025 Date 11/17/25 Tue 11/18/25 Wed 11/19/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 86 76 86 75 Temp 79 78 77 76 81 85 86 81 79 78 77 76 81 85 86 81 78 77 76 75 80 Dewpt 74 75 74 75 76 76 75 75 75 75 74 74 75 76 75 75 74 74 73 73 74 RH 85 91 90 97 85 75 70 82 88 91 90 94 82 75 70 82 88 90 90 94 82 Wind dir E E E E E E E E E E E E E E E NE NE NE NE NE NE Wind spd 6 6 8 9 10 10 11 10 10 11 11 12 12 12 11 10 9 9 8 6 6 Clouds SC B1 B2 B2 B1 SC B1 B1 B1 B1 B2 B2 B1 B1 SC SC B2 B2 B2 B2 B1 PoP 12hr 60 40 50 50 50 QPF 12hr 0.06 0.14 0.19 0.13 0.10 Rain shwrs S C C L C C C C C C C C C C C C C C C C C Tstms S S S Heat index 83 87 94 95 87 87 94 95 87 84 Max heat 88 87 96 94 87 96 92 84 Date 11/20 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 74 85 75 86 75 85 75 85 Temp 85 77 75 79 85 78 76 80 86 78 76 80 85 78 76 80 85 78 Dewpt 74 73 72 73 73 72 72 73 72 72 71 72 72 71 71 72 71 71 PWind dir NE NE NE NE NE NE NE NE E Wind char GN GN GN GN GN LT LT GN GN Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW SC SC PoP 12hr 40 30 20 30 30 20 20 20 20 Rain shwrs C C C C S S S C C S S S S S S S S $$ PRZ007-180800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Mon Nov 17 2025 Date 11/17/25 Tue 11/18/25 Wed 11/19/25 Thu 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 74 88 73 Temp 78 75 74 73 80 87 88 81 78 76 75 74 81 87 88 81 78 75 74 73 80 Dewpt 70 69 68 69 70 69 71 72 71 70 70 70 70 68 68 70 70 70 68 67 67 RH 76 82 82 87 72 55 57 74 79 82 84 87 69 53 52 69 76 84 82 81 65 Wind dir NE NE NE NE NE E E E NE NE NE NE NE E E E NE NE N NE NE Wind spd 3 4 4 4 3 12 13 8 5 5 6 6 6 13 14 11 8 5 5 4 4 Wind gust 25 Clouds SC SC FW FW SC SC SC SC SC SC FW FW SC SC B1 B1 FW FW FW FW FW PoP 12hr 20 30 10 40 5 QPF 12hr 0.01 0.07 0.03 0.10 0.01 Rain shwrs S S S S S C S S S S C C S S S S Heat index 83 91 94 85 85 91 92 85 82 Max heat 85 83 94 92 85 92 90 82 Date 11/20 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 71 87 71 88 72 88 72 88 Temp 87 76 72 79 87 76 72 79 88 77 73 80 88 77 73 80 88 77 Dewpt 68 69 69 69 68 69 69 69 69 70 69 70 69 69 68 66 63 69 PWind dir NE NE E NE E NE E NE E Wind char LT LT GN LT GN LT GN LT GN Avg clouds SC B1 FW FW SC SC FW FW SC SC CL CL FW SC FW FW FW SC PoP 12hr 50 5 30 5 30 0 20 0 20 Rain shwrs C C C C C C S S S S $$ PRZ008-180800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Mon Nov 17 2025 Date 11/17/25 Tue 11/18/25 Wed 11/19/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 86 74 85 73 Temp 77 75 74 73 79 85 86 80 78 76 75 74 79 84 85 79 77 75 74 73 78 Dewpt 72 73 72 70 73 75 76 74 73 73 72 71 73 74 75 74 73 72 71 70 73 RH 85 94 93 90 82 72 72 82 85 90 90 90 82 72 72 85 87 90 90 90 85 Wind dir E E E E E E E E E E E E E E NE NE NE E E E E Wind spd 9 10 12 11 11 14 17 14 19 16 13 13 16 17 17 16 14 13 12 12 12 Clouds B2 OV SC SC SC CL SC B1 SC SC SC SC SC SC SC SC FW FW FW FW SC PoP 12hr 70 40 20 10 10 QPF 12hr 0.04 0.14 0.08 0.04 0.01 Rain shwrs C L S S S S C S S S S S S S S S Tstms S Heat index 94 96 84 91 94 Max heat 96 92 94 90 Date 11/20 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 73 85 73 85 72 84 72 84 Temp 84 76 74 79 85 77 74 79 85 76 73 78 84 76 73 78 84 76 Dewpt 75 72 71 72 73 71 70 71 73 71 69 71 72 70 69 71 71 70 PWind dir NE NE NE E NE E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC FW SC SC SC SC SC FW FW FW FW CL FW SC SC PoP 12hr 20 20 20 20 10 5 5 10 10 Rain shwrs S S S S S S S S S S S S S S S $$ PRZ010-180800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Mon Nov 17 2025 Date 11/17/25 Tue 11/18/25 Wed 11/19/25 Thu 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 91 72 91 71 Temp 77 75 73 72 81 89 90 82 78 75 73 72 81 89 90 81 77 74 72 71 80 Dewpt 73 72 72 71 73 76 75 75 74 73 72 71 74 76 75 75 74 73 72 71 74 RH 87 90 97 97 77 66 62 79 88 94 97 97 79 66 62 82 90 97100100 82 Wind dir NE NE NE NE E E S NE NE NE NE E E E NE NE NE NE NE NE NE Wind spd 8 6 6 8 6 4 3 3 11 10 9 10 11 12 9 10 11 10 10 9 9 Clouds B2 B2 FW FW FW CL B1 OV B2 SC FW FW SC SC B2 B2 FW FW FW FW FW PoP 12hr 50 70 50 50 5 QPF 12hr 0.02 0.84 0.06 1.11 0.01 Rain shwrs C C C L C S S S C C Tstms S S S Heat index 86100101 89 86100101 87 84 Max heat 86 86 101 99 86 101 99 84 Date 11/20 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 71 90 71 91 70 90 70 90 Temp 89 77 72 80 89 77 72 80 90 76 71 79 89 76 71 79 89 77 Dewpt 76 73 72 73 74 71 70 72 73 72 70 71 72 71 70 71 72 71 PWind dir NE NE NE E NE E NE E NE Wind char GN GN GN GN LT GN LT GN LT Avg clouds SC SC SC FW FW SC SC FW SC SC CL CL FW SC CL FW FW FW PoP 12hr 30 5 20 5 30 0 20 0 10 Rain shwrs C C S S S S S S C C S S S S $$ VIZ001-180800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Mon Nov 17 2025 Date 11/17/25 Tue 11/18/25 Wed 11/19/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 88 79 88 78 Temp 81 80 79 78 83 87 88 84 82 80 80 79 83 87 88 83 81 80 79 78 82 Dewpt 75 76 75 75 76 77 76 76 75 76 75 75 76 76 76 75 74 75 75 75 75 RH 82 88 88 91 80 72 68 77 79 88 85 88 80 70 68 77 79 85 88 91 79 Wind dir E E E E E E E E E E E E E E E E NE NE NE NE E Wind spd 10 12 13 16 16 16 16 17 17 18 18 18 18 17 13 12 13 13 13 12 11 Clouds SC B2 B2 B2 B1 SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 60 40 40 30 30 QPF 12hr 0.07 0.10 0.15 0.11 0.07 Rain shwrs C L L C C S S C C C C C C C C C C C C C C Tstms S Heat index 87 84 91 99 99 93 88 86 84 91 98 99 90 86 84 89 Max heat 90 86 91 99 98 87 91 99 96 86 89 Date 11/20 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 79 87 79 88 79 87 79 87 Temp 87 81 80 83 87 81 80 83 88 82 80 83 87 81 80 83 87 81 Dewpt 75 74 74 74 73 73 72 73 73 72 71 72 72 72 72 72 73 72 PWind dir NE NE NE NE E E E E E Wind char GN GN GN GN GN GN GN BZ GN Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC PoP 12hr 40 30 20 30 30 30 20 20 20 Rain shwrs C C C C S S S C C C C C S S S S S $$ VIZ002-180800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Mon Nov 17 2025 Date 11/17/25 Tue 11/18/25 Wed 11/19/25 Thu 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 87 75 86 75 Temp 79 77 76 75 81 86 87 81 79 77 76 75 80 85 86 81 78 77 76 75 80 Dewpt 75 75 75 74 76 76 75 75 75 75 74 74 75 75 75 74 74 74 74 74 74 RH 88 94 97 97 85 72 68 82 88 94 94 97 85 72 70 79 88 90 94 97 82 Wind dir E E E E E E E E E E E E E E E E E NE NE NE NE Wind spd 10 11 10 12 13 14 14 13 14 14 14 16 16 14 13 12 12 11 10 10 10 Clouds B2 OV B2 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 70 40 30 30 40 QPF 12hr 0.08 0.08 0.11 0.07 0.08 Rain shwrs C L L C C C S S S S C C C C S S C C C C C Tstms S Heat index 87 96 96 87 85 94 95 86 84 Max heat 89 87 96 94 85 95 91 84 Date 11/20 Fri 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 11/24/25 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 87 76 86 75 87 75 86 Temp 86 78 76 81 87 79 77 81 86 78 76 81 87 79 76 80 86 78 Dewpt 74 73 73 74 73 72 72 73 72 72 72 72 71 71 71 72 72 71 PWind dir NE NE NE E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 SC SC SC SC SC SC SC FW FW SC SC SC FW SC SC SC SC PoP 12hr 40 20 20 20 10 10 10 5 30 Rain shwrs C C S S S S S S S S S S S S S S S C $$