Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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161 FOCA52 TJSJ 142103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Tue Oct 14 2025 PRZ001-150800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Tue Oct 14 2025 Date 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 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 92 77 92 78 Temp 82 80 79 78 86 91 92 85 82 80 78 77 85 91 92 85 82 80 79 78 85 Dewpt 74 74 74 74 73 74 74 75 74 74 74 74 74 75 75 75 74 74 74 74 75 RH 77 82 85 88 65 58 56 72 77 82 88 90 70 60 58 72 77 82 85 88 72 Wind dir E SE S S S SE S W SW S SW S S W W SW S S SW SW S Wind spd 8 6 4 4 4 6 4 2 3 2 4 4 5 4 5 4 3 4 4 3 4 Clouds FW FW SC SC FW FW OV OV B2 CL SC SC SC SC OV OV SC SC SC SC FW PoP 12hr 10 80 50 80 30 QPF 12hr 0.02 1.41 0.14 1.74 0.05 Rain shwrs S S L D C S S S S D D C C S S Tstms S S S S S Heat index 88 85 93101102 93 87 84 93102103 94 88 85 94 Max heat 93 87 93 102 101 86 93 103 102 87 94 Date 10/17 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 77 90 78 90 79 90 78 90 Temp 91 81 78 84 90 82 79 85 90 82 80 85 90 82 79 85 90 80 Dewpt 75 74 74 74 76 75 75 75 76 75 74 75 76 75 75 75 74 74 PWind dir SW S E E E E E E E Wind char LT LT LT LT GN GN GN GN GN Avg clouds SC B1 SC SC SC B1 SC SC B1 B1 SC B1 B1 B1 FW FW FW FW PoP 12hr 50 10 60 30 50 40 50 5 5 Rain shwrs C C S S L L S C C C C C C C S S Tstms S S $$ PRZ002-150800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Tue Oct 14 2025 Date 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 89 77 89 77 Temp 81 80 79 78 84 88 89 83 81 79 78 77 84 88 89 83 81 79 78 77 84 Dewpt 75 75 74 74 76 76 76 76 75 75 75 75 76 77 76 77 75 76 75 76 77 RH 82 85 85 88 77 68 66 80 82 88 91 94 77 70 66 82 82 91 91 97 80 Wind dir E E SE SE SE S S S SW SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 8 8 4 6 6 8 9 9 6 5 6 4 8 11 12 10 8 8 8 6 9 Clouds SC SC SC SC SC FW FW SC B1 CL SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 30 40 40 40 30 QPF 12hr 0.06 0.07 0.09 0.18 0.06 Rain shwrs S C S S S S C C C S S C C S S C C S Heat index 87 85 93 99100 91 86 83 92100100 92 86 83 93 Max heat 92 86 93 100 99 85 92 101 99 85 93 Date 10/17 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 76 89 77 89 78 89 78 89 Temp 89 80 77 83 89 81 78 84 89 81 79 84 89 81 79 84 89 81 Dewpt 77 76 75 77 76 76 76 77 76 76 76 77 76 75 75 76 76 76 PWind dir SW SW SE E E E E E E Wind char GN LT LT LT GN GN GN GN GN Avg clouds SC SC SC SC SC B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC FW FW PoP 12hr 30 30 60 60 50 50 50 20 10 Rain shwrs C C S C C L L L C C C C C S S S S Tstms S S S $$ PRZ007-150800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Tue Oct 14 2025 Date 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 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 89 76 89 76 Temp 80 78 77 76 83 88 89 83 80 78 77 76 83 88 89 83 80 78 77 76 84 Dewpt 76 74 73 72 75 77 77 76 75 74 73 73 76 78 78 77 76 75 74 74 76 RH 88 88 87 87 77 70 68 80 85 88 87 90 80 72 70 82 88 91 90 94 77 Wind dir E NE NE NE NE SE S S NW N N S W SW SW SW SW SW SW SW SW Wind spd 4 4 4 3 3 8 8 4 1 2 2 3 1 8 10 6 2 2 3 2 2 Clouds SC FW SC B1 SC SC FW SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 B2 PoP 12hr 40 30 40 30 60 QPF 12hr 0.14 0.08 0.12 0.05 0.13 Rain shwrs S C C S S S C S C C S S S S C C C C L Tstms S Heat index 86 91100101 90 85 92102103 91 85 93 Max heat 92 84 91 101 100 83 92 103 101 84 93 Date 10/17 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 76 90 76 91 77 91 76 90 Temp 90 80 77 84 90 80 77 84 91 81 78 85 91 81 77 84 90 79 Dewpt 78 76 74 75 78 77 74 75 78 77 74 75 77 75 73 75 76 71 PWind dir SW N SE NE E NE E NE E Wind char LT LT LT LT GN LT GN LT GN Avg clouds B2 B1 B1 B1 B2 B1 SC SC SC SC FW FW SC FW CL CL FW SC PoP 12hr 60 60 60 10 30 20 20 0 10 Rain shwrs L C C L L C S S C C S S S S S Tstms S S S $$ PRZ008-150800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Tue Oct 14 2025 Date 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 89 76 87 76 Temp 79 77 76 75 83 88 89 83 80 78 77 76 82 86 87 82 79 78 77 76 82 Dewpt 76 75 74 72 74 74 76 75 75 74 74 73 75 76 76 74 75 74 74 73 75 RH 91 94 94 90 74 63 66 77 85 88 90 90 79 72 70 77 88 88 90 90 79 Wind dir E SE SE SE S W SW SW S S SW SW SW SW SW SW SW SW SW SW SW Wind spd 6 5 6 4 3 3 9 10 9 8 6 8 9 13 16 13 11 11 10 8 10 Clouds B2 SC FW FW FW FW FW B2 SC SC B1 B1 SC SC B2 B2 SC SC SC SC SC PoP 12hr 60 50 40 50 30 QPF 12hr 0.07 0.21 0.12 0.19 0.05 Rain shwrs L C C S S C C C C C C C C S S S Tstms S S S S Heat index 89 97100 90 85 89 96 97 87 83 89 Max heat 88 89 100 99 83 89 98 95 89 Date 10/17 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 75 87 75 87 76 88 76 88 Temp 87 79 76 82 87 79 76 82 87 79 77 83 88 80 77 83 88 81 Dewpt 75 74 73 74 76 75 74 75 76 76 74 75 76 75 73 75 75 74 PWind dir SW S NE E E E E E E Wind char GN LT LT LT GN GN BZ GN GN Avg clouds SC SC SC SC SC B1 SC SC SC B1 SC FW SC B1 CL CL SC SC PoP 12hr 40 10 50 20 60 10 60 0 50 Rain shwrs C C S S C C S S L L S S L L C C Tstms S S S S $$ PRZ010-150800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Tue Oct 14 2025 Date 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 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 93 75 92 75 Temp 80 77 75 74 85 91 93 84 80 78 76 75 85 91 92 84 80 78 76 75 85 Dewpt 76 76 74 74 76 77 78 76 75 75 75 74 76 78 78 77 76 76 74 74 76 RH 88 97 97100 75 64 62 77 85 91 97 97 75 66 64 80 88 94 94 97 75 Wind dir E E E E E S S S S S S S S SW SW SW S S S S S Wind spd 2 2 5 6 5 5 12 11 8 6 6 6 8 12 12 10 8 8 6 6 9 Clouds OV B1 FW FW SC SC CL SC SC SC B2 B2 SC SC SC SC SC SC SC SC B1 PoP 12hr 70 20 50 30 40 QPF 12hr 0.04 0.08 0.16 0.09 0.08 Rain shwrs L C S S S S S C C C C C C C C C C C Tstms S Heat index 85 94105108 93 86 94105107 93 86 94 Max heat 93 94 109 106 84 94 108 105 84 94 Date 10/17 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 92 74 92 74 93 75 94 74 93 Temp 92 79 75 84 92 79 75 85 93 80 76 86 94 80 75 85 93 79 Dewpt 78 76 74 76 79 76 75 76 78 77 74 75 78 76 74 76 77 75 PWind dir SW SE S E E 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 CL CL SC B1 CL CL SC B1 PoP 12hr 50 20 60 10 60 0 60 0 50 Rain shwrs C C S S L L S S L L L L C C Tstms S S S S S S $$ VIZ001-150800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Tue Oct 14 2025 Date 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 90 81 90 81 Temp 84 83 82 81 86 89 90 86 84 83 82 81 86 89 90 86 84 83 82 81 87 Dewpt 76 77 76 76 76 77 76 77 76 77 77 77 78 78 78 77 77 78 77 78 78 RH 77 82 82 85 72 68 64 75 77 82 85 88 77 70 68 75 80 85 85 91 75 Wind dir E E E SE SE S S S S SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 12 10 9 10 9 9 9 9 10 8 10 9 10 14 13 13 13 12 13 12 13 Clouds SC SC SC SC SC FW B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 SC PoP 12hr 20 40 30 20 40 QPF 12hr 0.07 0.11 0.07 0.04 0.07 Rain shwrs S S S S S C C S S C C S S S S S S C C S Heat index 92 91 89 87 96102102 97 92 91 89 88 98104104 97 93 92 89 89 99 Max heat 95 92 96 102 101 92 98 105 103 93 99 Date 10/17 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 81 90 82 91 81 90 81 90 Temp 91 84 82 86 90 84 83 87 91 84 82 86 90 84 82 86 90 83 Dewpt 78 77 77 77 77 77 78 78 78 77 77 78 77 77 77 77 76 76 PWind dir SW SW S E E E E E E Wind char GN GN GN GN BZ BZ BZ BZ BZ Avg clouds SC B2 B2 B2 B2 B1 B2 B2 B2 B1 B1 B1 SC FW SC SC SC SC PoP 12hr 60 60 60 60 50 50 50 10 20 Rain shwrs C L L L L L L L C C C C C S S S S S Tstms S S S S S S S $$ VIZ002-150800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Tue Oct 14 2025 Date 10/14/25 Wed 10/15/25 Thu 10/16/25 Fri 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 77 Temp 81 79 78 77 84 88 89 83 81 79 78 77 84 88 89 83 81 79 78 77 84 Dewpt 75 74 74 74 76 76 76 75 75 76 75 76 77 78 78 77 76 76 77 76 78 RH 82 85 88 90 77 68 66 77 82 91 91 97 80 72 70 82 85 91 97 97 82 Wind dir E E E E SE SE S S S S SW SW SW SW SW SW SW SW SW SW SW Wind spd 10 9 8 8 8 9 10 8 6 5 6 4 6 12 12 11 10 10 11 9 10 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 B2 PoP 12hr 30 30 20 30 60 QPF 12hr 0.06 0.07 0.06 0.05 0.19 Rain shwrs S S C S S S S C S S S S S S S S C C C C L Tstms S S S Heat index 86 83 92 99100 91 86 83 93102103 92 87 83 94 Max heat 91 85 92 100 99 85 93 103 101 86 94 Date 10/17 Sat 10/18/25 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 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 78 89 77 89 77 89 Temp 89 80 77 84 90 82 79 84 89 81 78 84 89 81 78 84 89 82 Dewpt 78 76 77 77 77 76 76 78 78 77 77 77 77 76 75 77 76 76 PWind dir SW S SE E E E E E E Wind char GN GN GN GN BZ BZ BZ BZ BZ Avg clouds B2 B2 B2 B2 B2 B2 B2 B2 SC SC B1 B1 SC FW SC SC SC FW PoP 12hr 60 60 60 60 40 40 20 20 20 Rain shwrs L L L L L L L L C C C C S S S S S S Tstms S S S S S S S S $$