Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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650 FOCA52 TJSJ 150903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Wed Oct 15 2025 PRZ001-152000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 91 78 92 79 91 Temp 85 90 91 85 82 80 79 78 86 91 92 86 83 81 80 79 86 90 91 84 81 Dewpt 74 74 75 75 74 74 74 74 74 75 75 74 75 75 74 74 75 75 76 75 75 RH 70 60 60 72 77 82 85 88 68 60 58 68 77 82 82 85 70 62 62 74 82 Wind dir S SE N SW SW S S S SW SE NE W S S SW S S SW W W SW Wind spd 5 6 4 3 2 3 4 4 4 3 2 1 3 5 5 4 3 2 2 2 2 Clouds B2 B2 OV OV OV B1 SC SC SC SC OV OV SC SC SC SC SC SC OV OV SC PoP 12hr 80 70 90 10 90 QPF 12hr 1.13 0.16 1.67 0.04 1.57 Rain shwrs C C L D L C D D S S S S S S D D C Tstms S S S S S S S S S Heat index 93 99102 93 88 85 94102103 94 90 87 84 94101102 92 87 Max heat 93 102 100 87 94 103 101 89 94 102 101 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 90 78 90 79 90 78 90 Temp 78 84 90 82 79 85 90 82 80 85 90 82 79 85 90 82 Dewpt 75 75 77 75 75 76 76 76 75 75 76 75 75 75 75 74 PWind dir S E SE E E E E E Wind char LT LT LT GN GN GN GN GN Avg clouds B1 B1 B1 B1 SC SC B1 B1 SC SC B1 B1 FW FW FW FW PoP 12hr 40 60 30 50 40 50 5 5 Rain shwrs C C L L S C C C S C C C S S Tstms S S $$ PRZ002-152000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 77 89 77 89 Temp 84 88 89 83 81 79 78 77 84 88 89 83 81 79 78 77 84 88 89 83 80 Dewpt 77 76 76 76 75 75 74 75 77 77 77 76 75 76 76 76 77 77 77 77 76 RH 80 68 66 80 82 88 88 94 80 70 68 80 82 91 94 97 80 70 68 82 88 Wind dir SE S S S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 8 9 10 9 6 4 5 9 9 10 11 12 9 9 8 8 6 10 12 11 6 Clouds B2 B2 B1 B2 B2 B1 SC SC SC SC OV OV SC SC SC SC SC SC B2 B2 SC PoP 12hr 60 60 70 20 50 QPF 12hr 0.52 0.14 0.90 0.04 0.32 Rain shwrs L C C C L C C S S L L S S S S S S C C C Tstms S S S S S S S S S Heat index 94 99100 91 86 83 93101101 92 86 83 93101102 91 85 Max heat 94 100 99 85 93 102 100 85 93 102 100 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 89 77 89 78 89 78 89 Temp 77 83 89 81 78 84 89 81 79 84 89 81 79 84 89 81 Dewpt 75 78 77 77 76 78 77 76 76 78 77 76 76 77 77 75 PWind dir SW S E E E E E E Wind char LT LT LT GN GN BZ GN GN Avg clouds B1 B2 B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC FW FW PoP 12hr 50 60 60 50 50 50 20 10 Rain shwrs C C C L L L C C C C C S S S S Tstms S S S S S $$ PRZ007-152000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 89 76 90 Temp 83 88 89 83 80 78 77 76 83 88 89 83 80 78 77 76 84 89 90 83 80 Dewpt 73 73 72 72 72 72 72 73 73 73 72 72 73 73 73 73 74 73 73 73 73 RH 72 61 57 70 77 82 85 90 72 61 57 70 79 85 87 90 72 59 58 72 79 Wind dir NE S S S NW N N N NW W SW SW SW W S SW SW SW SW SW SW Wind spd 3 8 5 4 2 1 2 2 1 6 11 6 3 2 4 3 1 8 10 5 1 Clouds SC SC SC SC SC SC B1 B1 SC SC B1 SC B2 B2 B2 B2 B1 B1 B2 B2 B1 PoP 12hr 30 40 50 60 60 QPF 12hr 0.16 0.09 0.17 0.26 0.38 Rain shwrs C C S C C S C C C C C C C C L L C C L L C Tstms S S S S S S Heat index 89 95 96 88 84 89 95 96 88 84 91 97 98 89 84 Max heat 89 96 95 83 89 96 95 83 91 98 97 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 90 76 91 77 91 76 90 Temp 77 84 90 80 77 84 91 81 78 85 91 81 77 84 90 80 Dewpt 73 73 72 73 72 72 72 70 72 72 69 71 71 70 71 71 PWind dir NW SE E E NE E E E Wind char LT LT LT GN LT GN GN GN Avg clouds B1 B2 B2 B1 SC SC SC SC FW FW SC FW CL CL FW SC PoP 12hr 60 60 10 30 10 10 0 10 Rain shwrs L L L C S S C C S S S S S Tstms S S S $$ PRZ008-152000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 88 76 87 Temp 83 88 89 83 80 78 77 76 83 87 88 82 80 78 77 76 82 86 87 81 79 Dewpt 74 75 76 75 75 75 74 73 75 76 76 75 75 75 74 73 76 76 76 75 75 RH 74 66 66 77 85 91 90 90 77 70 68 79 85 91 90 90 82 72 70 82 88 Wind dir S SW SW SW S S S SW S SW SW SW SW S SW SW SW SW SW SW SW Wind spd 5 9 16 12 9 9 10 12 11 12 14 12 11 10 10 9 8 12 14 12 9 Clouds SC SC B1 B2 SC SC SC B1 B2 B1 SC B1 B2 B2 B2 B2 SC SC B2 B2 SC PoP 12hr 60 50 50 50 50 QPF 12hr 0.24 0.14 0.19 0.17 0.19 Rain shwrs C L S C C C S C C C C C C C C C C Tstms S S S S S S S S Heat index 89 98100 90 85 90 98 99 89 84 89 97 97 87 Max heat 89 100 98 83 90 100 97 89 98 96 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 75 87 76 88 76 88 Temp 76 82 87 79 76 82 87 79 77 83 88 80 77 83 88 80 Dewpt 73 75 77 75 74 75 77 76 74 76 77 75 74 74 76 74 PWind dir S NW E E E E E E Wind char LT LT LT GN GN BZ GN BZ Avg clouds B1 SC SC B1 SC SC SC B1 SC SC SC B1 CL CL SC SC PoP 12hr 40 50 20 60 20 60 0 50 Rain shwrs C C C C S S L L S S L L C C Tstms S S S S $$ PRZ010-152000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 75 92 75 92 Temp 85 91 93 84 80 78 76 75 85 91 92 84 80 78 76 75 85 91 92 83 79 Dewpt 76 78 78 76 76 76 75 75 77 78 78 76 76 75 75 75 77 79 79 77 76 RH 75 66 62 77 88 94 97100 77 66 64 77 88 91 97100 77 68 66 82 91 Wind dir SE S SW SW S S S S S SW SW SW S S S S S SW SW SW S Wind spd 6 10 13 10 6 6 8 9 8 10 12 11 9 8 6 5 6 11 11 9 8 Clouds SC SC SC SC SC SC SC SC B2 OV B2 B1 B2 B2 B2 B2 B1 B1 B2 B2 SC PoP 12hr 30 50 70 60 50 QPF 12hr 0.09 0.11 0.32 0.31 0.27 Rain shwrs S C C S S C C L C C C C L L C C C C S Tstms S S S S S S S S S Heat index 94107108 93 86 95106107 92 86 95107108 92 84 Max heat 94 109 106 84 95 108 104 83 95 109 105 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 92 74 93 75 94 74 93 Temp 75 84 92 79 75 85 93 80 76 86 94 80 75 85 93 80 Dewpt 75 76 79 76 75 76 79 77 74 76 79 76 74 76 77 75 PWind dir S S E NE E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 B1 B1 SC SC SC B1 FW FW SC B1 CL CL SC B1 PoP 12hr 50 50 10 60 5 60 0 50 Rain shwrs C C C C S S L L L L C C Tstms S S S S S S $$ VIZ001-152000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 80 89 81 91 Temp 86 89 90 85 83 82 81 80 85 88 89 85 83 82 82 81 87 90 91 86 84 Dewpt 77 77 76 76 76 77 76 77 78 78 78 78 77 78 77 77 78 79 78 78 77 RH 75 68 64 75 80 85 85 91 80 72 70 80 82 88 85 88 75 70 66 77 80 Wind dir SE S S S S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 11 10 11 10 10 10 11 11 14 14 13 14 14 14 14 14 12 13 13 14 12 Clouds B2 B1 B2 B2 B1 B2 B2 B2 B1 SC B2 B2 SC SC SC SC SC SC B2 B2 B1 PoP 12hr 50 60 50 30 50 QPF 12hr 0.15 0.16 0.25 0.05 0.24 Rain shwrs C C C C C L C L C C C C S S C C S S C C C Tstms S S S S S S S S S S Heat index 97102102 95 91 90 87 86 96102103 97 93 92 89 89 99106106 98 94 Max heat 97 103 101 91 96 103 102 92 99 107 105 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 90 82 91 81 90 81 90 Temp 82 86 90 84 83 87 91 84 82 86 90 84 82 86 90 84 Dewpt 77 78 77 77 77 78 78 77 78 78 78 77 77 77 77 76 PWind dir SW S E E E E E E Wind char GN LT GN BZ BZ BZ BZ BZ Avg clouds B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 SC FW SC SC SC SC PoP 12hr 60 60 60 50 50 50 10 20 Rain shwrs C L L L L L C C C C C S S S S S Tstms S S S S S $$ VIZ002-152000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Wed Oct 15 2025 Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 78 89 77 89 Temp 84 89 90 84 82 80 79 78 84 88 89 83 81 79 78 77 84 88 89 83 80 Dewpt 76 75 75 76 75 75 75 76 77 77 78 77 76 76 77 77 77 78 77 77 77 RH 77 64 62 77 79 85 88 94 80 70 70 82 85 91 97100 80 72 68 82 91 Wind dir SE S S S S SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 8 10 10 9 6 5 8 8 10 12 13 11 10 11 11 9 9 13 13 10 9 Clouds B2 B1 B2 B2 B2 SC B1 B2 B1 B2 B1 SC SC SC SC SC B1 B1 B2 B2 B1 PoP 12hr 60 50 50 40 50 QPF 12hr 0.18 0.12 0.15 0.07 0.17 Rain shwrs L C C C C C C C C C C C S S C C C C C C C Tstms S S S S S S S S Heat index 93 99101 93 88 85 94101102 92 86 83 94101102 91 85 Max heat 93 101 100 87 94 103 100 85 94 102 100 Date Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 90 78 89 77 89 77 89 Temp 77 84 90 82 79 84 89 81 78 84 89 81 78 84 89 81 Dewpt 76 77 77 76 76 77 77 76 77 78 77 76 76 77 77 75 PWind dir S S E E E E E E Wind char GN GN GN BZ BZ BZ BZ BZ Avg clouds B1 B1 B2 B2 B2 B2 SC SC B1 B1 SC FW SC SC SC FW PoP 12hr 60 60 60 40 40 30 20 20 Rain shwrs C L L L L L C C C C C S S S S S Tstms S S S S S $$