


Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
1
2
291 FOCA52 TJSJ 152103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Wed Oct 15 2025 PRZ001-160800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 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 79 91 77 Temp 82 80 79 78 86 91 92 86 83 81 80 79 86 90 91 84 81 79 78 77 84 Dewpt 74 74 74 74 74 75 75 74 75 75 74 74 75 75 76 75 75 75 75 74 75 RH 77 82 85 88 68 60 58 68 77 82 82 85 70 62 62 74 82 88 91 90 74 Wind dir SW S S S SW SW NW SW S S SW S S SW SW SW SW S N N S Wind spd 3 2 4 5 4 5 2 2 4 5 4 4 4 4 2 1 3 4 3 2 2 Clouds OV B1 SC SC SC SC OV OV SC SC SC FW SC SC OV OV SC SC B1 B1 SC PoP 12hr 70 90 10 90 40 QPF 12hr 0.16 1.66 0.02 1.57 0.13 Rain shwrs L C D D S S S S S S D D C C C C S Tstms S S S S S Heat index 88 85 94102103 94 90 87 84 94101102 92 87 84 92 Max heat 93 87 94 103 101 89 94 102 101 86 92 Date 10/18 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 78 90 79 90 78 90 78 90 Temp 90 82 79 85 90 82 80 85 90 82 79 85 90 82 79 85 90 82 Dewpt 77 75 75 76 76 76 75 75 76 75 75 75 75 74 74 74 75 75 PWind dir SE SE E E E E E E E Wind char LT LT GN GN GN GN GN GN GN Avg clouds B1 B1 SC SC B1 B1 SC SC B1 B1 FW FW FW FW CL FW SC SC PoP 12hr 60 30 50 40 50 5 5 10 10 Rain shwrs L L S C C C S C C C S S S S S Tstms S S $$ PRZ002-160800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 89 77 89 76 Temp 81 79 78 77 84 88 89 83 81 79 78 77 84 88 89 83 80 78 77 76 83 Dewpt 75 75 74 75 77 77 77 76 75 76 76 76 77 77 77 77 76 76 75 76 78 RH 82 88 88 94 80 70 68 80 82 91 94 97 80 70 68 82 88 94 94100 85 Wind dir SW SW SW SW SW S S SW SW SW SW SW SW SW SW SW SW SW SW SW S Wind spd 5 3 4 8 8 11 12 12 9 9 8 8 9 10 11 11 8 5 4 3 3 Clouds B2 B1 SC SC SC SC OV OV SC FW SC FW SC SC B2 B2 SC SC B2 B2 B2 PoP 12hr 60 70 10 50 50 QPF 12hr 0.14 0.90 0.02 0.32 0.31 Rain shwrs L C C S S L L S S S S C C C C C C C Tstms S S S S S S S Heat index 86 83 93101101 92 86 83 93101102 91 85 93 Max heat 91 85 93 102 100 85 93 102 100 84 93 Date 10/18 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 77 89 78 89 78 89 78 89 Temp 89 81 78 84 89 81 79 84 89 81 79 84 89 81 79 84 89 81 Dewpt 77 77 76 78 77 76 76 78 77 76 76 77 77 75 75 77 76 76 PWind dir S SE E E E E E E E Wind char LT LT GN GN GN GN GN GN BZ Avg clouds B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC FW FW CL FW SC SC PoP 12hr 60 60 50 50 50 20 10 20 20 Rain shwrs C L L L C C C C C S S S S S S S Tstms S S S $$ PRZ007-160800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 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 90 76 Temp 80 78 77 76 83 88 89 83 80 78 77 76 84 89 90 83 80 78 77 76 84 Dewpt 72 72 72 73 73 73 72 72 73 73 73 73 74 73 73 73 73 73 73 73 73 RH 77 82 85 90 72 61 57 70 79 85 87 90 72 59 58 72 79 85 87 90 70 Wind dir N N N NW W SW SW SW W NW NW W SW SW SW SW SW S S N E Wind spd 2 2 3 2 1 11 13 9 4 3 3 3 5 9 9 5 2 2 3 3 2 Clouds SC SC B1 B1 SC SC B1 SC SC B1 B2 B2 B1 B1 B2 B2 B1 B1 B2 B2 B2 PoP 12hr 40 40 60 60 60 QPF 12hr 0.09 0.17 0.38 0.38 0.45 Rain shwrs C S C C C C C C S C L L C C L L C C L L L Tstms S S S S S S S Heat index 84 89 95 96 88 84 91 97 98 89 84 90 Max heat 88 83 89 96 95 83 91 98 97 83 90 Date 10/18 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 91 77 91 76 90 76 89 Temp 90 80 77 84 91 81 78 85 91 81 77 84 90 80 77 83 89 80 Dewpt 72 73 72 72 72 70 72 72 69 71 71 70 71 71 71 72 73 72 PWind dir SE E E NE E E E E E Wind char LT LT GN LT GN LT GN LT GN Avg clouds B2 B1 SC SC SC SC FW FW SC FW CL CL FW SC SC FW FW FW PoP 12hr 60 10 30 10 10 0 10 5 10 Rain shwrs L C S S C C S S S S S S S S S Tstms S $$ PRZ008-160800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 88 76 87 75 Temp 80 78 77 76 83 87 88 82 80 78 77 76 82 86 87 81 79 77 76 75 82 Dewpt 75 75 74 73 75 76 76 75 75 75 74 73 76 76 76 75 75 75 73 72 75 RH 85 91 90 90 77 70 68 79 85 91 90 90 82 72 70 82 88 94 90 90 79 Wind dir S S SW SW SW SW SW SW SW S S SW SW SW SW SW SW S S S SE Wind spd 9 9 11 11 11 14 17 14 12 11 11 10 10 12 13 13 10 9 6 4 3 Clouds SC SC SC B1 B2 B1 SC B1 B1 B2 B2 B2 SC SC B2 B2 SC SC B1 B1 SC PoP 12hr 50 50 60 50 40 QPF 12hr 0.14 0.21 0.36 0.19 0.09 Rain shwrs S C C C S C C C L C C C C C C C C C S Tstms S S S S S S Heat index 85 90 98 99 89 84 89 97 97 87 88 Max heat 90 83 90 100 97 89 98 96 88 Date 10/18 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 75 87 76 88 76 88 76 87 Temp 87 79 76 82 87 79 77 83 88 80 77 83 88 80 77 82 87 79 Dewpt 77 75 74 75 77 76 74 76 77 75 74 74 76 74 72 74 75 74 PWind dir S E E E E E E E E Wind char LT LT GN GN BZ GN BZ BZ BZ Avg clouds SC B1 SC SC SC B1 SC SC SC B1 CL CL SC SC CL CL FW SC PoP 12hr 50 20 60 20 60 0 50 0 40 Rain shwrs C C S S L L S S L L C C C C Tstms S S S S $$ PRZ010-160800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 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 92 75 92 74 Temp 80 78 76 75 85 91 92 84 80 78 76 75 85 91 92 83 79 77 75 74 84 Dewpt 76 76 75 75 77 78 78 76 76 75 75 75 77 79 79 77 76 75 75 74 76 RH 88 94 97100 77 66 64 77 88 91 97100 77 68 66 82 91 94100100 77 Wind dir S S S SW SW SW SW SW SW S S S S S S S S S S SE SE Wind spd 6 5 9 6 8 12 13 11 8 9 9 8 9 11 12 10 6 5 4 3 3 Clouds SC SC SC SC B2 OV B2 B1 SC B2 OV OV B1 B1 B2 B2 SC SC B2 B2 SC PoP 12hr 50 70 70 50 50 QPF 12hr 0.11 0.34 0.47 0.27 0.25 Rain shwrs S S C C L C C C C L L C C C C S S C C C Tstms S S S S S S S S S S Heat index 86 95106107 92 86 95107108 92 84 93 Max heat 93 84 95 108 104 83 95 109 105 93 Date 10/18 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 93 75 94 74 93 74 92 Temp 92 79 75 85 93 80 76 86 94 80 75 85 93 80 75 84 92 79 Dewpt 79 76 75 76 79 77 74 76 79 76 74 76 77 75 73 75 77 75 PWind dir S E NE E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds B1 B1 SC SC SC B1 FW FW SC B1 CL CL SC B1 FW FW SC B1 PoP 12hr 50 10 60 5 60 0 50 5 50 Rain shwrs C C S S L L L L C C S S C C Tstms S S S S $$ VIZ001-160800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 89 81 91 81 Temp 83 82 81 80 85 88 89 85 83 82 82 81 87 90 91 86 84 83 82 81 86 Dewpt 76 77 76 77 78 78 78 78 77 78 77 77 78 79 78 78 77 78 77 77 78 RH 80 85 85 91 80 72 70 80 82 88 85 88 75 70 66 77 80 85 85 88 77 Wind dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW S S Wind spd 10 11 10 11 13 17 16 14 16 13 13 13 14 13 14 14 13 11 9 6 6 Clouds B1 B2 B2 B2 B1 SC B2 B2 SC SC SC B2 SC SC B2 B2 B1 B1 B1 B1 B2 PoP 12hr 60 50 50 50 60 QPF 12hr 0.16 0.25 0.17 0.24 0.32 Rain shwrs C L C L C C C C S S C C S S C C C C C C L Tstms S S S S S S S S S Heat index 91 90 87 86 96102103 97 93 92 89 89 99106106 98 94 92 90 88 98 Max heat 95 91 96 103 102 92 99 107 105 93 98 Date 10/18 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 82 91 81 90 81 90 81 90 Temp 90 84 83 87 91 84 82 86 90 84 82 86 90 84 82 86 90 84 Dewpt 77 77 77 78 78 77 78 78 78 77 77 77 77 76 76 77 77 76 PWind dir S E E E E E E E E Wind char LT GN BZ BZ BZ BZ BZ BZ BZ Avg clouds B2 B2 B2 B2 B2 B1 B1 B1 SC FW SC SC SC SC SC SC SC SC PoP 12hr 60 60 50 50 50 10 20 20 20 Rain shwrs L L L L C C C C C S S S S S S S S S Tstms S S S S $$ VIZ002-160800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Wed Oct 15 2025 Date 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 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 76 Temp 82 80 79 78 84 88 89 83 81 79 78 77 84 88 89 83 80 78 77 76 84 Dewpt 75 75 75 76 77 77 78 77 76 76 77 77 77 78 77 77 77 77 76 76 77 RH 79 85 88 94 80 70 70 82 85 91 97100 80 72 68 82 91 97 97100 80 Wind dir S SW SW SW SW SW SW SW SW SW SW SW SW S S S S S S S S Wind spd 8 6 9 8 9 13 13 12 10 10 11 10 10 12 12 11 10 8 6 6 5 Clouds B2 SC B1 B2 B1 B2 B1 SC SC SC B1 SC B1 B1 B2 B2 B1 B1 B1 B1 B2 PoP 12hr 50 50 40 50 60 QPF 12hr 0.12 0.16 0.12 0.17 0.32 Rain shwrs C C C C C C C C C S C C C C C C C C C C L Tstms S S S S S S Heat index 88 85 94101102 92 86 83 94101102 91 85 94 Max heat 93 87 94 103 100 85 94 102 100 84 94 Date 10/18 Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 78 89 77 89 77 89 78 89 Temp 90 82 79 84 89 81 78 84 89 81 78 84 89 81 79 84 89 81 Dewpt 77 76 76 77 77 76 77 78 77 76 76 77 77 75 75 77 76 76 PWind dir SE E E E E E E E E Wind char LT GN BZ BZ BZ BZ BZ BZ BZ Avg clouds B2 B2 B2 B2 SC SC B1 B1 SC FW SC SC SC FW SC SC SC FW PoP 12hr 60 60 40 40 30 20 20 20 20 Rain shwrs L L L L C C C C C S S S S S S S S S Tstms S S S S $$