Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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967 FOCA52 TJSJ 160903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Thu Oct 16 2025 PRZ001-162000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Thu Oct 16 2025 Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 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 88 Temp 84 89 89 84 81 79 78 77 85 89 89 84 81 79 78 77 84 88 88 84 82 Dewpt 74 74 75 75 75 74 74 74 75 75 76 75 75 75 75 74 75 76 76 76 75 RH 72 61 64 74 82 85 88 90 72 64 66 74 82 88 91 90 74 68 68 77 79 Wind dir S W W W S S SW S SW SW NW NW NW S E N SE E E E E Wind spd 8 6 4 2 4 5 3 4 4 2 2 2 2 2 2 2 3 4 8 4 4 Clouds SC SC OV OV SC SC SC FW SC SC OV OV SC SC B1 B1 B1 B1 B2 B2 B2 PoP 12hr 90 10 90 40 60 QPF 12hr 1.72 0.01 1.22 0.09 0.32 Rain shwrs D D S S S S S S D D C C C C C C C C L Tstms S S S S S S S Heat index 91 98 99 92 87 94 99100 92 87 92 99 99 93 89 Max heat 91 99 98 85 94 100 100 87 92 99 99 Date Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 78 87 79 90 79 90 78 89 Temp 79 85 87 82 80 86 90 83 80 85 90 82 79 85 89 81 Dewpt 75 76 75 74 75 75 76 75 74 74 74 74 74 74 75 74 PWind dir SE E E E E E E E Wind char LT GN GN GN GN GN GN GN Avg clouds B2 B1 SC B1 SC SC B1 B1 FW FW FW FW CL FW SC SC PoP 12hr 60 50 40 50 5 5 10 10 Rain shwrs L L C C S C C C S S S S S Tstms S S S S $$ PRZ002-162000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Thu Oct 16 2025 Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 76 87 76 87 Temp 83 87 87 82 80 78 77 76 83 87 87 83 80 78 77 76 83 87 87 84 81 Dewpt 76 76 76 76 75 75 75 75 77 77 77 77 76 75 75 75 76 77 76 77 76 RH 80 70 70 82 85 91 94 97 82 72 72 82 88 91 94 97 80 72 70 80 85 Wind dir SW SW SW SW SW SW SW SW SW S S W W SW SW S S S S SE SE Wind spd 10 12 13 12 6 9 8 8 9 10 12 11 8 4 3 3 3 6 8 6 5 Clouds SC SC OV OV SC FW SC FW SC SC B2 SC SC SC B2 B2 B1 B1 B1 B1 B2 PoP 12hr 70 10 50 50 50 QPF 12hr 0.96 0.02 0.13 0.14 0.10 Rain shwrs S L L S S S S C C C C C C C C C C C Tstms S S S S S S S S S Heat index 91 98 98 89 85 92 99 99 92 86 91 99 98 94 87 Max heat 91 99 98 92 100 99 91 99 98 Date Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 86 79 88 78 88 78 87 Temp 79 84 86 82 80 85 88 81 79 84 88 81 79 84 87 80 Dewpt 76 77 76 76 75 77 76 75 75 76 76 75 74 76 75 75 PWind dir E E E E E E E E Wind char LT GN GN GN GN GN GN GN Avg clouds B2 B1 B1 B1 SC B1 B1 SC SC SC FW FW CL FW SC SC PoP 12hr 50 50 50 50 20 10 20 20 Rain shwrs C C C C C C C S S S S S S S Tstms S S S S $$ PRZ007-162000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Thu Oct 16 2025 Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 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 87 76 88 76 88 Temp 83 87 87 82 80 78 77 76 84 88 88 83 80 78 77 76 84 88 88 84 81 Dewpt 76 78 78 77 76 75 75 74 76 78 78 77 76 75 74 73 76 78 78 77 77 RH 80 75 75 85 88 91 94 94 77 72 72 82 88 91 90 90 77 72 72 80 88 Wind dir W SW SW SW W NW NW NW W SW SW SW N N N N NE SE S SE E Wind spd 4 11 13 10 4 2 2 2 2 10 11 5 1 1 2 2 3 6 6 5 4 Wind gust 24 Clouds B1 SC B1 SC SC B1 B2 B2 B1 B2 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 40 60 60 60 60 QPF 12hr 0.29 0.44 0.38 0.47 0.62 Rain shwrs C C C C S C L L C C L L C C L L L L C C C Tstms S S S S S S S S S S S Heat index 91100100 90 86 93102102 92 86 93102102 94 88 Max heat 91 100 100 93 102 102 86 93 102 102 Date Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 88 77 90 77 90 77 89 Temp 78 85 88 81 78 85 90 81 78 84 90 81 78 84 89 81 Dewpt 74 76 78 75 73 75 78 75 73 75 76 74 73 75 76 75 PWind dir E E NE E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds B2 B1 SC SC SC SC SC FW CL CL FW SC SC FW FW FW PoP 12hr 50 30 20 20 0 10 5 10 Rain shwrs C C C C S S S S S S S S S S Tstms S S $$ PRZ008-162000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Thu Oct 16 2025 Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 76 86 76 85 Temp 82 85 85 81 79 78 77 76 83 86 86 82 80 78 77 76 82 85 85 81 79 Dewpt 75 76 75 75 75 75 75 73 75 76 76 75 75 74 73 72 75 76 75 75 75 RH 79 75 72 82 88 91 94 90 77 72 72 79 85 88 87 87 79 75 72 82 88 Wind dir SW SW SW SW SW SW SW SW SW SW SW SW SW S S SE SE E NE NE NE Wind spd 11 14 17 14 11 10 9 9 9 11 13 11 8 6 4 3 4 2 4 4 6 Clouds B2 B1 SC B1 B1 B2 B2 B2 SC B1 B2 SC SC SC B1 B1 SC SC B2 B2 B2 PoP 12hr 50 60 50 40 60 QPF 12hr 0.53 0.36 0.11 0.08 0.12 Rain shwrs C C S C C C L C C C C C C C C C S S C C L Tstms S S S S S S S S S Heat index 89 94 94 87 90 96 96 89 85 89 94 94 87 Max heat 89 94 94 90 96 96 89 94 94 Date Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 84 76 88 76 88 75 87 Temp 76 82 84 79 77 83 88 80 77 83 88 79 76 82 87 79 Dewpt 74 75 76 76 74 75 77 75 73 74 75 74 73 74 75 75 PWind dir E E E E E E E E Wind char LT GN BZ GN GN BZ GN BZ Avg clouds B2 B2 B2 B1 SC SC SC B1 CL CL SC SC CL CL FW SC PoP 12hr 60 60 10 60 0 50 0 40 Rain shwrs L L L L S S L L C C C C Tstms S S S S S S $$ PRZ010-162000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Thu Oct 16 2025 Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 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 90 75 91 Temp 84 89 89 83 80 78 77 76 85 90 90 84 80 78 76 75 85 91 91 84 80 Dewpt 76 78 78 76 76 76 75 75 78 79 79 77 76 75 75 74 76 78 78 77 76 RH 77 70 70 80 88 94 94 97 80 70 70 80 88 91 97 97 75 66 66 80 88 Wind dir SW SW SW SW S SW SW SW SW SW SW SW S SE SE SE SE S S E NE Wind spd 9 12 14 12 8 5 6 5 8 10 11 9 6 5 4 4 5 5 5 1 5 Clouds B2 OV B2 B1 SC B2 OV OV B1 B2 B2 SC SC SC B2 B2 B1 B1 B2 B2 B2 PoP 12hr 70 70 50 50 60 QPF 12hr 0.62 0.52 0.24 0.14 0.21 Rain shwrs C L C C C C L L C C C C S S C C C C C C L Tstms S S S S S S S S S S S S S Heat index 93103103 91 86 97106106 94 86 94106106 94 86 Max heat 93 105 103 86 97 106 106 94 106 106 Date Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 90 74 93 75 93 74 92 Temp 76 85 90 80 75 85 93 81 76 85 93 80 75 85 92 80 Dewpt 75 76 78 76 73 76 79 76 73 75 76 74 73 75 77 75 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 SC SC SC B1 CL CL SC B1 FW FW SC B1 PoP 12hr 60 60 10 60 0 50 5 50 Rain shwrs L L L L S S L L C C S S C C Tstms S S S S S S $$ VIZ001-162000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Thu Oct 16 2025 Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 82 88 81 88 Temp 85 88 88 86 84 83 82 82 86 88 88 86 84 83 82 81 86 88 88 86 84 Dewpt 77 78 78 77 77 77 78 78 78 78 78 78 77 78 77 77 77 78 77 77 77 RH 77 72 72 75 80 82 88 88 77 72 72 77 80 85 85 88 75 72 70 75 80 Wind dir SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW S S S S SE E Wind spd 16 17 17 14 14 14 14 14 14 13 14 16 13 11 10 8 6 6 5 4 8 Clouds B1 SC B2 B2 SC SC SC B2 SC SC B2 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 PoP 12hr 50 50 50 40 50 QPF 12hr 0.31 0.17 0.11 0.10 0.11 Rain shwrs C C C C S S C C S S C C C C C C C C C C C Tstms S S S S S S S Heat index 96102102 97 94 92 91 91 98102102 98 94 93 90 88 97102100 97 94 Max heat 96 102 103 95 98 103 102 93 97 102 100 Date Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 82 87 82 89 81 90 81 89 Temp 83 86 87 84 83 86 89 84 82 86 90 84 82 86 89 83 Dewpt 77 77 77 77 78 78 78 77 77 77 76 76 76 77 77 77 PWind dir E E E E E E E E Wind char GN BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B1 SC B1 SC B1 SC FW SC SC SC SC SC SC SC SC PoP 12hr 40 50 50 50 10 20 20 20 Rain shwrs C C C C C C C S S S S S S S S S Tstms S S $$ VIZ002-162000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Thu Oct 16 2025 Date Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 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 87 77 87 77 88 Temp 83 87 87 83 80 79 78 77 84 87 87 83 81 79 78 77 84 88 88 84 82 Dewpt 77 77 78 77 77 77 77 76 78 77 78 77 77 76 76 76 77 77 77 77 76 RH 82 72 75 82 91 94 97 97 82 72 75 82 88 91 94 97 80 70 70 80 82 Wind dir SW SW SW SW SW SW SW SW S SW SW SW SW S S S S S S SE E Wind spd 12 14 14 12 10 11 12 11 11 12 13 11 10 9 8 6 6 9 10 8 9 Clouds B1 B2 B1 SC SC SC B1 SC B1 B1 B2 B1 B1 B1 B1 B1 B2 B2 B2 B2 SC PoP 12hr 50 40 50 60 60 QPF 12hr 0.20 0.12 0.12 0.23 0.37 Rain shwrs C C C C C S C C C C C C C C C C L L L L S Tstms S S S S S S S Heat index 92 99100 92 87 95 99100 92 88 94100100 94 89 Max heat 92 100 100 87 95 100 100 87 94 100 100 Date Sun 10/19/25 Mon 10/20/25 Tue 10/21/25 Wed 10/22/25 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 78 86 78 88 78 89 78 87 Temp 79 84 86 81 79 84 88 81 79 84 89 81 79 84 87 80 Dewpt 76 77 76 77 77 77 78 76 75 76 76 76 75 77 77 76 PWind dir E E E E E E E E Wind char GN BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B1 B1 SC FW SC SC SC FW SC SC SC FW PoP 12hr 10 40 40 30 20 20 20 20 Rain shwrs S S S C C C C S S S S S S S S S $$