Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
288 FOCA52 TJSJ 202103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Thu Nov 20 2025 PRZ001-210800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 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 87 74 Temp 79 77 76 75 81 86 87 81 79 77 76 75 81 86 87 81 78 76 75 74 80 Dewpt 73 72 72 72 72 72 72 71 71 71 70 70 69 69 69 69 69 69 69 69 69 RH 82 85 87 90 74 63 61 72 77 82 82 84 67 57 55 67 74 79 82 84 69 Wind dir NE E E E E NE NE NE E E E E E NE NE NE NE E E E E Wind spd 8 8 8 9 8 11 11 10 9 9 9 10 8 10 10 9 6 6 4 1 2 Clouds SC B1 SC B1 B1 B1 B1 SC SC SC B2 B1 SC SC SC SC FW FW B2 B2 SC PoP 12hr 40 40 50 30 50 QPF 12hr 0.19 0.21 0.17 0.05 0.12 Rain shwrs S C C C C C C S S C C C C C S S C C C Heat index 85 92 93 85 84 90 91 83 83 Max heat 86 85 94 91 84 91 89 83 Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 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 74 87 75 87 76 87 76 87 Temp 87 78 75 80 87 79 76 81 87 79 77 81 87 79 77 81 87 79 Dewpt 70 70 70 70 71 71 71 71 71 72 71 71 72 72 71 72 69 70 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN GN GN BZ Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 30 20 30 30 30 30 30 30 40 Rain shwrs C S S S S C C C C C C C C C C C C C $$ PRZ002-210800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 86 75 85 74 Temp 78 77 76 75 80 85 86 81 78 77 76 75 80 84 85 80 77 76 75 74 79 Dewpt 73 73 73 72 73 74 73 73 72 71 71 71 71 71 70 71 70 70 70 70 71 RH 85 87 90 90 79 70 65 77 82 82 85 87 74 65 61 74 79 82 84 87 77 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE E E Wind spd 9 9 10 9 9 11 11 9 9 10 11 11 9 10 9 9 9 9 5 4 5 Clouds SC B1 B1 SC B1 B1 B1 SC SC SC B1 SC B1 B1 SC SC FW FW SC SC SC PoP 12hr 40 40 40 40 30 QPF 12hr 0.20 0.23 0.14 0.08 0.06 Rain shwrs S C C C C C C C S C C C C C S S C C C Heat index 85 93 93 85 83 89 89 83 82 Max heat 85 85 93 91 83 90 88 82 Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 75 85 75 84 76 85 76 85 Temp 85 78 76 80 85 78 76 79 84 78 77 80 85 79 77 80 85 79 Dewpt 71 71 71 72 72 72 72 73 73 73 72 74 74 73 73 73 70 69 PWind dir NE NE E E E E E E E Wind char GN LT GN GN GN GN GN GN BZ Avg clouds SC SC SC SC SC FW SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 30 30 30 30 30 30 40 40 40 Rain shwrs C S S C C S S C C C C C C C C C C C $$ PRZ007-210800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 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 88 71 88 71 Temp 77 75 73 72 80 87 87 80 76 74 72 71 79 86 87 80 76 74 72 71 79 Dewpt 71 70 70 69 70 68 69 71 70 69 68 68 67 67 69 69 67 65 63 63 64 RH 82 84 90 90 72 53 55 74 82 84 87 90 67 53 55 69 74 74 73 76 60 Wind dir NE NE NE NE NE E E E NE NE NE NE NE E E E NE NE NE NE NE Wind spd 5 5 5 5 6 11 13 4 4 8 8 8 6 11 12 8 9 6 6 4 4 Clouds B1 SC CL CL CL CL B1 B1 SC CL FW FW FW FW B2 B2 FW FW FW FW CL PoP 12hr 40 40 30 50 0 QPF 12hr 0.04 0.22 0.03 0.19 0 Rain shwrs C S C C C C C Heat index 82 90 92 83 89 92 82 Max heat 83 82 92 90 92 89 Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 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 71 87 72 87 73 87 73 88 Temp 87 76 72 79 87 77 73 79 87 77 74 80 87 77 74 80 88 78 Dewpt 67 66 67 66 66 65 68 67 67 68 67 68 66 68 67 67 67 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 FW FW FW FW CL CL FW FW CL FW FW FW CL CL FW FW PoP 12hr 5 0 5 0 10 0 5 0 10 Rain shwrs S S S S S S S S $$ PRZ008-210800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 85 73 84 72 Temp 77 75 74 73 79 84 85 79 77 75 74 73 78 83 84 78 76 74 73 72 78 Dewpt 73 73 72 70 72 74 74 72 71 71 70 68 69 70 71 70 70 70 68 67 69 RH 87 94 93 90 79 72 70 79 82 87 87 84 74 65 65 76 82 87 84 84 74 Wind dir E E E E E NE NE NE E E E E E E NE NE E E E E E Wind spd 13 13 12 13 13 14 16 13 12 14 16 13 12 13 14 16 12 11 8 8 9 Clouds SC SC SC SC SC SC SC FW SC SC FW SC FW FW FW FW FW FW FW FW SC PoP 12hr 30 30 10 0 20 QPF 12hr 0.09 0.07 0.02 0 0.01 Rain shwrs S C S S S S C S S S S Heat index 91 92 87 88 Max heat 92 89 89 86 Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 72 84 73 84 73 85 74 85 Temp 85 76 73 78 84 76 74 78 84 76 74 79 85 77 75 79 85 77 Dewpt 71 70 69 71 72 71 70 72 73 72 70 72 73 72 71 72 69 69 PWind dir NE E E E E E E E E Wind char GN GN BZ GN BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC SC SC SC SC SC FW FW FW FW B1 B1 SC SC PoP 12hr 30 30 30 30 20 5 40 40 40 Rain shwrs S C C C S C C C S S S S C C C C C $$ PRZ010-210800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 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 90 70 Temp 77 74 72 71 80 88 89 80 76 73 71 70 79 88 89 80 76 73 71 70 79 Dewpt 73 72 71 71 73 75 75 74 72 71 70 70 71 72 72 72 70 70 69 68 71 RH 87 93 97100 79 66 64 82 87 93 97100 77 59 57 77 82 90 93 93 77 Wind dir NE NE NE NE NE NE E NE NE NE NE E E NE NE NE NE NE E E E Wind spd 10 9 8 9 10 10 8 5 8 12 11 10 10 10 12 13 9 10 8 8 8 Clouds SC SC CL CL CL SC B1 SC SC CL FW CL FW FW SC SC FW FW FW FW CL PoP 12hr 30 40 20 20 0 QPF 12hr 0.04 0.18 0.02 0.06 0 Rain shwrs C S S C S S S S Heat index 84 98100 84 82 95 97 84 82 Max heat 85 84 101 96 82 97 94 82 Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 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 70 89 71 89 71 89 72 91 Temp 89 76 71 79 88 76 72 79 88 76 72 79 88 77 73 81 90 77 Dewpt 72 71 69 71 73 71 70 72 74 72 70 72 74 72 70 73 67 70 PWind dir NE E NE E NE E NE E E Wind char GN LT LT GN GN GN BZ GN GN Avg clouds FW SC CL CL FW SC SC FW FW SC CL FW FW SC SC SC SC SC PoP 12hr 30 0 30 5 20 0 20 20 10 Rain shwrs C C C C S S S S S S S S S S $$ VIZ001-210800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 87 79 87 79 Temp 82 80 80 79 83 86 87 83 81 80 80 79 83 86 87 83 81 80 80 79 83 Dewpt 74 75 74 73 75 75 74 73 73 73 72 71 71 72 72 72 71 72 71 71 72 RH 77 85 82 82 77 70 65 72 77 79 77 77 67 63 61 70 72 77 74 77 70 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE E E E Wind spd 14 16 14 13 16 14 12 13 14 16 16 16 14 13 12 12 14 13 10 11 13 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC PoP 12hr 30 30 30 20 10 QPF 12hr 0.14 0.11 0.08 0.03 0.02 Rain shwrs S S C C S S S C S C C S S S S S S S S Heat index 87 86 84 90 95 95 89 86 84 83 88 93 93 88 85 84 83 88 Max heat 91 87 90 95 93 86 88 94 92 85 88 Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 79 87 79 87 79 87 80 87 Temp 87 81 80 83 87 81 80 83 87 81 80 83 87 82 80 83 87 81 Dewpt 72 73 73 73 73 73 74 74 74 74 74 75 74 74 74 75 68 69 PWind dir NE E E E E E E E E Wind char GN GN BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC FW FW FW CL FW SC SC SC SC SC SC SC SC FW SC PoP 12hr 10 5 10 10 20 30 30 10 30 Rain shwrs S S S S S S S S S S C C S S S S C $$ VIZ002-210800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Thu Nov 20 2025 Date 11/20/25 Fri 11/21/25 Sat 11/22/25 Sun 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 73 74 74 73 74 74 73 73 72 72 72 71 71 71 71 71 71 71 70 70 71 RH 82 90 94 94 79 68 63 77 79 85 87 87 74 63 61 72 79 82 82 84 74 Wind dir NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE E E Wind spd 11 12 11 11 13 14 13 12 12 13 13 12 13 14 12 11 11 12 10 10 10 Clouds SC SC SC SC SC SC B1 SC SC SC SC SC FW FW SC SC FW FW FW FW FW PoP 12hr 20 40 20 10 5 QPF 12hr 0.11 0.16 0.05 0.02 0 Rain shwrs S S S S S S C S S S S S S S S Heat index 86 93 94 86 84 90 91 84 84 Max heat 86 86 95 92 84 92 89 84 Date 11/23 Mon 11/24/25 Tue 11/25/25 Wed 11/26/25 Thu 11/27/25 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 85 75 86 75 85 75 86 Temp 86 78 76 80 85 78 76 80 86 78 76 80 85 78 76 80 86 79 Dewpt 72 71 71 72 72 72 72 73 73 73 73 74 74 73 73 73 70 70 PWind dir NE E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ BZ BZ Avg clouds FW CL CL CL FW FW SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 5 0 10 10 20 20 20 10 20 Rain shwrs S S S S S S S S S S S S S S $$