Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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342 FOCA52 TJSJ 132103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Mon Oct 13 2025 PRZ001-140800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 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 79 91 77 91 78 Temp 83 81 80 79 86 90 91 84 81 79 78 77 85 90 91 85 82 80 79 78 85 Dewpt 75 75 74 75 75 75 75 75 74 74 74 74 74 74 75 75 74 74 74 74 74 RH 77 82 82 88 70 62 60 74 79 85 88 90 70 60 60 72 77 82 85 88 70 Wind dir E E E E E E E E SE SE S S S S E W W SW S SW SW Wind spd 11 8 9 9 9 11 12 11 8 5 4 4 5 6 4 4 2 3 5 3 2 Clouds B2 B2 B1 B1 B1 B1 B2 B2 SC SC SC SC SC SC OV OV B2 B2 SC SC SC PoP 12hr 60 60 30 80 60 QPF 12hr 0.47 0.42 0.09 1.71 0.22 Rain shwrs L L C C C C C L S C C C C C D D L L S S S Tstms S S S S C C S S Heat index 90 87 84 95101102 92 86 83 92 99102 93 88 85 92 Max heat 94 89 95 103 101 85 92 102 100 87 92 Date 10/16 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 77 90 77 90 77 90 78 90 Temp 90 81 78 84 90 81 78 84 90 81 78 84 90 82 79 85 90 82 Dewpt 75 74 74 74 76 74 74 74 76 74 74 75 76 75 75 75 75 75 PWind dir SW S W S E SE E E E Wind char LT LT LT LT LT LT GN GN GN Avg clouds B1 B1 SC SC SC B1 SC SC B1 B1 SC SC SC B1 SC SC B1 B1 PoP 12hr 60 10 50 30 40 30 40 30 40 Rain shwrs L L S S C C S C C C C C C C C C C C Tstms S S S S $$ PRZ002-140800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 89 77 89 78 Temp 82 81 80 79 85 88 89 83 81 79 78 77 84 88 89 84 81 80 79 78 84 Dewpt 75 76 76 76 77 77 76 76 76 75 74 75 76 76 76 76 75 76 76 75 77 RH 79 85 88 91 77 70 66 80 85 88 88 94 77 68 66 77 82 88 91 91 80 Wind dir E E E E E E SE SE E SE SE SE S S S S SW SW SW SW SW Wind spd 11 11 10 11 11 11 10 9 8 8 5 6 6 9 9 10 8 6 8 6 5 Clouds B2 B2 B2 B1 B1 B1 SC B1 SC B1 B1 B1 SC SC B1 B1 B2 B2 SC SC SC PoP 12hr 60 50 40 50 50 QPF 12hr 0.51 0.23 0.14 0.26 0.17 Rain shwrs L L C C C C C C C C C C C C C C C C C C C Tstms S S S S Heat index 89 87 85 96100100 91 87 83 92 99100 92 87 85 93 Max heat 93 88 96 102 99 85 92 100 99 86 93 Date 10/16 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 89 76 88 77 89 78 89 Temp 88 80 78 84 89 80 77 83 88 80 78 84 89 81 79 84 89 81 Dewpt 76 76 75 77 77 76 75 77 76 76 75 77 76 76 75 77 76 76 PWind dir SW SW SW SW SE E E E E Wind char GN GN LT LT LT LT GN GN GN Avg clouds B1 SC SC SC SC SC SC SC SC SC B1 SC SC B1 B1 B1 B1 SC PoP 12hr 40 10 20 10 40 40 50 40 40 Rain shwrs C C S S S S S S S C C C C C C C C C Tstms S S $$ PRZ007-140800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 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 90 76 89 76 Temp 81 79 77 76 84 89 90 83 80 78 77 76 83 88 89 83 80 78 77 76 83 Dewpt 75 74 73 73 75 77 78 77 76 74 73 73 75 77 77 77 76 75 73 73 76 RH 82 85 87 90 74 68 68 82 88 88 87 90 77 70 68 82 88 91 87 90 80 Wind dir NE NE NE NE E SE SE SE NE NE NE NE E SE S S N N S W SW Wind spd 6 4 5 5 3 11 10 8 5 4 3 3 3 6 5 4 1 2 2 2 2 Clouds SC SC SC SC SC SC SC SC FW SC B2 B2 B1 B1 SC SC SC SC B2 B2 SC PoP 12hr 30 30 50 40 50 QPF 12hr 0.07 0.13 0.13 0.10 0.18 Rain shwrs S S S S C S S C S C C C C S S C C C C S Tstms S S Heat index 87 92102105 92 86 91100101 91 85 92 Max heat 93 84 92 105 103 84 91 102 100 84 92 Date 10/16 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 76 90 76 90 76 90 76 91 Temp 89 80 77 84 90 80 77 84 90 80 77 84 90 80 77 84 91 81 Dewpt 77 76 74 76 78 76 73 75 78 77 74 76 78 77 73 75 78 76 PWind dir SW SW SW N SE NE E NE E Wind char LT LT GN LT LT LT GN LT GN Avg clouds SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 20 30 20 30 10 40 10 40 Rain shwrs C C S S C C S S C C S S C C S S C C $$ PRZ008-140800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 88 75 87 75 Temp 80 78 77 76 83 87 88 82 79 77 76 75 82 86 87 81 79 77 76 75 81 Dewpt 75 75 73 73 75 76 76 75 75 74 74 72 74 75 75 75 74 74 73 73 75 RH 85 91 87 90 77 70 68 79 88 90 94 90 77 70 68 82 85 90 90 94 82 Wind dir E E E E E E NE E E S SE SE S SW SW SW S S S SW SW Wind spd 17 10 12 12 9 8 3 3 4 4 6 4 3 8 13 13 10 10 11 8 8 Clouds CL FW SC B1 SC SC B2 OV SC CL FW FW FW FW B2 B2 FW FW B1 B1 B1 PoP 12hr 40 80 10 60 40 QPF 12hr 0.09 1.26 0.01 0.55 0.11 Rain shwrs S C S S C D S L L C C C Tstms S S S S Heat index 85 90 98 99 89 88 95 96 87 87 Max heat 89 90 100 98 88 96 95 87 Date 10/16 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 76 87 76 87 75 87 76 88 Temp 86 79 77 82 87 79 77 82 87 79 76 82 87 79 77 83 88 80 Dewpt 76 74 74 75 76 74 73 74 76 75 74 74 76 75 74 74 76 75 PWind dir SW SW SW S NE E E E E Wind char GN GN GN LT LT LT LT GN GN Avg clouds B1 SC SC SC B1 B1 B1 SC SC B1 SC SC SC B2 B1 B1 B1 SC PoP 12hr 40 40 40 40 60 10 60 40 40 Rain shwrs C C S C C C C C L L S S L L C C C C Tstms S S S S $$ PRZ010-140800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 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 74 92 74 92 75 Temp 79 77 75 74 85 91 93 84 80 77 75 74 84 91 92 84 80 78 76 75 84 Dewpt 76 75 73 73 76 77 78 77 76 75 74 73 76 77 78 76 75 75 75 74 76 RH 91 94 94 97 75 64 62 80 88 94 97 97 77 64 64 77 85 91 97 97 77 Wind dir E NE E E E SE NW NE NE NE E SE SE S S S S S S S S Wind spd 8 3 6 6 4 3 4 2 4 4 6 5 5 10 13 10 8 8 6 6 5 Clouds FW CL FW SC FW FW OV OV SC CL FW FW SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 10 90 10 40 40 QPF 12hr 0.01 1.86 0.01 0.17 0.15 Rain shwrs S S L D S S S C C S S C C C Tstms S S Heat index 94105109 94 86 93104107 92 85 93 Max heat 92 94 109 106 93 107 105 83 93 Date 10/16 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 75 92 74 92 74 92 74 93 Temp 91 80 76 85 92 79 75 84 92 79 75 84 92 79 75 85 93 80 Dewpt 78 76 75 76 79 76 74 76 78 76 74 76 78 76 75 76 78 76 PWind dir SW SW SW SE S E E E E Wind char GN LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC B1 B1 SC SC SC B1 SC FW SC B1 SC SC B1 B1 PoP 12hr 60 30 50 30 60 10 60 20 60 Rain shwrs L L S C C C C C L L S S L L S S L L Tstms S S S S S S S S S S $$ VIZ001-140800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 90 81 89 81 Temp 85 84 83 82 86 89 90 86 84 83 82 81 85 88 89 85 83 82 82 81 85 Dewpt 77 78 77 77 77 78 77 76 76 76 76 76 76 76 77 77 76 76 77 77 77 RH 77 82 82 85 75 70 66 72 77 80 82 85 75 68 68 77 80 82 85 88 77 Wind dir E E E E E E SE E E E SE SE SE S S S S S SW SW SW Wind spd 18 18 18 16 16 13 11 11 10 11 10 9 9 10 10 11 12 11 12 11 9 Clouds B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 60 40 40 40 30 QPF 12hr 0.44 0.19 0.07 0.12 0.07 Rain shwrs L L C C C C C C C C C C S S C C S S C C S Tstms S S Heat index 96 94 91 90 97103103 96 93 90 89 87 95100101 96 92 90 89 88 96 Max heat 98 94 97 103 102 92 95 101 101 91 96 Date 10/16 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 81 90 81 90 82 90 81 90 Temp 89 83 82 86 90 84 82 86 90 84 83 86 90 84 82 86 90 84 Dewpt 77 77 77 78 78 77 77 77 77 77 77 77 77 77 77 77 78 76 PWind dir SW SW SW SW SE E E E E Wind char GN GN GN LT LT GN GN BZ BZ Avg clouds SC SC SC SC SC B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC PoP 12hr 30 20 50 40 40 40 30 30 30 Rain shwrs C C S S C C C C S C C C C C C C S C Tstms S S $$ VIZ002-140800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Mon Oct 13 2025 Date 10/13/25 Tue 10/14/25 Wed 10/15/25 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 77 89 77 89 78 Temp 81 79 78 77 84 88 89 83 81 79 78 77 84 88 89 84 81 80 79 78 84 Dewpt 76 76 76 76 77 77 76 75 75 74 74 75 76 76 76 75 75 75 76 76 77 RH 85 91 94 97 80 70 66 77 82 85 88 94 77 68 66 74 82 85 91 94 80 Wind dir E E E E E E SE E E E E E SE S S S S S S S SW Wind spd 16 14 16 13 13 11 10 10 9 10 8 6 5 10 9 10 6 6 8 6 5 Clouds B2 B2 B1 B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 40 40 30 20 QPF 12hr 0.44 0.18 0.06 0.08 0.07 Rain shwrs L L C C C C S C C C S S S S C C S S S S S Tstms S S Heat index 87 84 94100100 90 87 83 92 99100 91 87 85 93 Max heat 93 86 94 102 99 85 92 101 99 86 93 Date 10/16 Fri 10/17/25 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 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 78 90 77 90 77 90 77 89 Temp 88 81 79 85 90 81 78 84 90 81 78 84 90 81 78 84 89 81 Dewpt 77 76 76 78 78 77 76 77 77 76 76 77 77 76 76 77 77 76 PWind dir SW SW SW S SE E E E E Wind char GN GN GN LT LT GN GN BZ BZ Avg clouds SC SC SC SC SC B2 B2 B2 B1 SC SC SC SC SC B1 B1 SC SC PoP 12hr 30 30 60 60 50 20 40 40 40 Rain shwrs S C C C C L L L C S S S S C C C C S Tstms S S S S $$