Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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076 FOCA52 TJSJ 212103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Fri Nov 21 2025 PRZ001-220800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 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 74 87 75 Temp 79 77 76 75 81 86 87 81 78 76 75 74 80 86 87 81 79 77 76 75 81 Dewpt 72 71 70 69 69 69 69 69 69 69 69 69 69 69 70 69 70 70 70 70 70 RH 79 82 82 82 67 57 55 67 74 79 82 84 69 57 57 67 74 79 82 84 69 Wind dir NE NE E E E E NE NE E E E E E E E E E E E E E Wind spd 8 9 9 9 9 10 11 9 8 6 5 5 6 10 10 8 6 5 6 5 5 Clouds SC SC SC SC SC FW CL CL SC SC B1 B1 B1 B1 B1 B1 SC SC FW FW B1 PoP 12hr 20 20 40 40 40 QPF 12hr 0.04 0.02 0.11 0.17 0.03 Rain shwrs S S S S S S S C C C C C C S S C Heat index 84 90 91 83 83 90 91 84 84 Max heat 86 84 91 89 83 91 89 84 Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 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 76 88 75 88 75 88 75 88 Temp 87 79 77 82 88 79 76 81 88 79 76 81 88 79 76 81 88 79 Dewpt 71 71 71 71 72 72 71 71 72 71 71 72 72 72 71 71 72 72 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC FW B1 B1 SC SC SC SC B1 B1 B1 B1 SC B1 PoP 12hr 40 30 40 40 30 30 40 40 40 Rain shwrs C C C C C C C C C C C C C C C C C C $$ PRZ002-220800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 85 74 85 75 Temp 78 77 76 75 80 84 85 80 77 76 75 74 79 84 85 80 78 77 76 75 80 Dewpt 72 72 71 70 71 71 70 70 71 70 70 70 71 72 71 71 72 71 71 71 72 RH 82 85 85 84 74 65 61 72 82 82 84 87 77 67 63 74 82 82 85 87 77 Wind dir NE NE NE NE NE NE NE NE NE NE E NE E E E E NE E E E E Wind spd 10 10 9 9 9 10 11 10 9 8 8 9 8 10 9 8 8 6 9 8 8 Clouds SC SC SC SC B1 SC SC SC SC SC B1 B1 B1 B1 B2 B2 SC SC FW FW B1 PoP 12hr 40 40 50 50 40 QPF 12hr 0.06 0.07 0.13 0.28 0.03 Rain shwrs S S S S C S S S S S C C C C C C S S C Heat index 83 89 89 83 82 89 90 84 83 Max heat 85 83 90 88 82 90 88 83 Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 76 85 75 86 75 85 75 85 Temp 85 79 77 80 85 78 76 80 86 78 76 80 85 78 76 80 85 78 Dewpt 73 73 72 73 73 73 72 73 73 73 72 73 73 72 72 73 73 73 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ GN GN GN GN Avg clouds SC SC SC SC SC SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC B1 PoP 12hr 40 30 40 40 40 40 40 40 40 Rain shwrs C S S C C C C C C C C C C C C C C C $$ PRZ007-220800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 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 88 70 87 72 Temp 76 74 72 71 79 86 87 79 75 73 71 70 78 85 87 80 77 74 73 72 80 Dewpt 69 68 66 65 65 63 67 69 68 66 64 65 67 66 68 70 69 68 66 65 65 RH 79 82 81 81 62 46 52 72 79 79 79 84 69 53 53 72 76 82 79 79 60 Wind dir NE NE NE NE NE E SE E NE NE NE NE NE E SE E NE NE NE NE NE Wind spd 8 6 8 6 5 11 14 8 9 8 6 5 5 11 10 5 5 5 5 4 4 Wind gust 25 Clouds CL CL CL CL FW FW SC FW FW FW FW FW SC SC B1 B1 SC SC FW FW CL PoP 12hr 0 30 10 40 30 QPF 12hr 0 0.09 0.01 0.14 0.03 Rain shwrs C S S C C C C Heat index 87 90 88 90 82 81 Max heat 83 90 88 90 89 81 Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 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 89 73 89 73 89 73 88 Temp 88 78 74 81 89 78 74 81 89 78 74 81 89 78 74 80 88 78 Dewpt 70 69 67 68 68 68 68 68 67 68 68 68 66 68 68 67 68 68 PWind dir E NE E NE E NE E NE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW CL CL FW SC CL CL FW FW CL CL FW FW CL CL FW FW PoP 12hr 20 0 30 0 5 0 5 0 0 Rain shwrs S S C C S S $$ PRZ008-220800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 85 71 84 72 Temp 77 76 75 74 79 84 85 78 75 73 72 71 77 83 84 78 76 74 73 72 78 Dewpt 72 71 70 69 71 71 71 69 69 69 68 67 69 71 72 70 70 70 69 68 70 RH 85 85 84 84 77 65 63 74 82 87 87 87 76 67 67 76 82 87 87 87 76 Wind dir E E E E E E NE NE E E E E E E NE NE E E E E E Wind spd 13 13 14 11 11 13 14 14 13 13 11 10 10 11 12 12 12 11 10 9 10 Clouds SC SC SC SC FW FW CL CL FW FW SC SC SC SC SC SC SC SC SC SC CL PoP 12hr 20 0 20 30 30 QPF 12hr 0.03 0 0.02 0.09 0.07 Rain shwrs S S S S S S S S C C C C C C Heat index 82 89 89 87 89 Max heat 83 82 90 87 89 87 Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 74 85 74 86 73 85 74 85 Temp 85 77 75 79 85 77 75 80 86 77 74 79 85 77 75 79 85 77 Dewpt 73 72 71 72 74 72 71 72 73 72 70 72 74 72 71 72 74 72 PWind dir E E E E E E E E E Wind char BZ GN BZ BZ BZ BZ BZ GN BZ Avg clouds CL FW SC SC FW FW SC FW FW B1 B1 B1 SC SC B1 SC FW SC PoP 12hr 30 30 10 10 40 40 40 40 30 Rain shwrs C C C S S S S C C C C C C C C S C $$ PRZ010-220800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 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 70 89 70 Temp 77 74 72 71 80 88 89 80 76 73 71 70 79 87 88 80 76 73 71 70 79 Dewpt 72 72 71 70 71 73 72 71 70 69 68 67 70 72 72 72 71 70 69 69 71 RH 85 93 97 97 74 61 57 74 82 87 90 90 74 61 59 77 85 90 93 97 77 Wind dir NE NE NE NE E NE NE NE NE NE NE E E E NE E E E E E E Wind spd 11 10 11 9 10 10 8 9 11 11 10 9 8 6 2 5 9 6 5 4 4 Clouds FW FW CL CL FW FW SC SC FW FW FW FW SC SC B1 B1 B2 B2 SC SC CL PoP 12hr 5 20 10 50 50 QPF 12hr 0.01 0.03 0 0.17 0.12 Rain shwrs S S S S S S C C C C S S Heat index 83 96 97 83 94 95 83 83 Max heat 85 83 98 93 96 93 83 Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 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 91 72 91 71 91 71 91 Temp 89 77 72 80 90 78 73 81 90 77 72 80 90 77 72 80 90 76 Dewpt 73 72 70 72 74 72 71 72 74 72 70 72 73 72 70 71 73 72 PWind dir NE E NE E E E NE E E Wind char LT GN GN GN GN GN GN GN LT Avg clouds FW SC FW FW FW SC CL CL FW SC SC SC SC SC SC FW FW SC PoP 12hr 30 10 20 0 20 20 10 10 20 Rain shwrs C C S S S S S S S S S S S S S S $$ VIZ001-220800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 87 79 87 80 Temp 82 80 80 79 83 86 87 83 81 80 80 79 83 86 87 84 82 81 80 80 83 Dewpt 72 73 72 71 72 72 72 71 71 72 71 71 72 72 73 72 72 72 72 72 74 RH 72 79 77 77 70 63 61 67 72 77 74 77 70 63 63 67 72 74 77 77 74 Wind dir NE NE NE NE E NE NE NE NE E E E E E E E E E E E E Wind spd 16 16 13 13 14 13 12 13 13 13 14 13 14 11 11 11 12 16 14 12 13 Clouds SC SC SC SC SC SC FW CL SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 20 20 40 40 20 QPF 12hr 0.04 0.02 0.11 0.08 0.04 Rain shwrs S S S S S S S S C C C C S S S S S S S Heat index 87 85 83 88 93 93 87 85 84 83 88 93 94 89 87 86 85 84 90 Max heat 90 86 88 93 91 85 88 94 93 86 90 Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 79 88 79 88 79 88 79 88 Temp 87 81 80 83 88 82 80 83 88 82 80 83 88 82 80 83 88 82 Dewpt 74 73 73 74 75 74 73 75 74 73 74 74 74 74 73 74 75 74 PWind dir E E NE E E E E E E Wind char GN BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC FW CL FW SC SC SC SC SC SC SC SC FW SC SC SC SC SC PoP 12hr 20 10 20 30 30 10 30 30 20 Rain shwrs S S S S S S C C S S S S C C C S S $$ VIZ002-220800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Fri Nov 21 2025 Date 11/21/25 Sat 11/22/25 Sun 11/23/25 Mon 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 86 75 87 75 Temp 78 77 76 75 80 85 86 81 78 77 76 75 81 86 87 81 79 77 76 75 81 Dewpt 72 72 72 71 72 71 71 70 70 70 71 71 71 72 71 71 71 72 71 71 73 RH 82 85 87 87 77 63 61 69 76 79 85 87 72 63 59 72 77 85 85 87 77 Wind dir NE NE NE NE E E E NE NE NE NE E E E E E E E E E E Wind spd 12 14 11 12 11 13 12 12 12 11 11 11 11 11 11 11 12 12 12 11 12 Clouds FW FW FW CL FW SC CL CL SC SC FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 10 10 10 10 10 QPF 12hr 0.02 0 0.01 0.03 0.03 Rain shwrs S S S S S S S S S S S S S S S Heat index 84 90 91 84 84 92 92 85 85 Max heat 85 84 91 89 84 93 91 85 Date 11/24 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 Fri 11/28/25 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 76 87 75 86 75 87 75 86 Temp 87 79 77 81 87 79 76 80 86 78 76 81 87 79 76 80 86 79 Dewpt 72 72 72 73 73 72 73 73 73 73 72 73 73 72 72 73 73 73 PWind dir E E E E E E E E E Wind char GN GN BZ BZ BZ BZ BZ BZ BZ Avg clouds FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC FW SC PoP 12hr 10 10 20 20 20 10 20 20 30 Rain shwrs S S S S S S S S S S S S S S S S S C $$