Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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183 FOCA52 TJSJ 120903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Sun Oct 12 2025 PRZ001-122000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Sun Oct 12 2025 Date Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 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 79 91 78 90 Temp 85 90 91 85 83 81 80 79 86 90 91 85 82 80 79 78 85 89 90 84 81 Dewpt 75 75 75 74 74 74 73 73 74 75 74 75 75 75 74 74 75 75 76 75 74 RH 72 62 60 70 74 79 79 82 68 62 58 72 79 85 85 88 72 64 64 74 79 Wind dir SE E E E E SE SE SE E E E E E E E E E E E E E Wind spd 8 10 12 9 6 6 9 8 8 14 14 11 9 6 8 9 8 10 11 10 6 Clouds SC B2 B2 B2 SC SC B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 60 40 50 60 50 QPF 12hr 0.41 0.08 0.20 0.43 0.44 Rain shwrs S C C L S S C C S C C C C C L L L L C C C Tstms S S S S S Heat index 94101102 93 89 86 84 94101100 93 88 85 93 99101 91 86 Max heat 94 102 100 89 94 101 99 87 93 102 100 Heat Y Y Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 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 91 77 90 Temp 78 83 88 80 78 84 90 81 78 85 91 81 78 84 90 81 Dewpt 74 74 75 75 74 74 75 75 74 74 75 74 74 74 76 75 PWind dir SE SE SW W SW W SW E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 B1 B1 B1 B1 SC FW SC B1 SC SC SC B1 PoP 12hr 40 40 40 60 10 50 10 40 Rain shwrs C C C C C C L L S S C C S S C C Tstms S S S S $$ PRZ002-122000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Sun Oct 12 2025 Date Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 79 90 78 90 Temp 83 87 88 84 82 81 80 79 85 89 90 84 82 80 79 78 85 89 90 84 81 Dewpt 77 77 76 76 75 75 75 74 76 76 76 76 75 75 75 75 76 77 76 76 76 RH 82 72 68 77 79 82 85 85 75 66 64 77 79 85 88 91 75 68 64 77 85 Wind dir SE SE SE E E E E E E E E E E E E E E E E E E Wind spd 9 10 10 8 8 10 10 11 12 14 11 10 10 9 10 10 10 10 9 6 5 Clouds B1 B2 B1 B2 SC SC B2 SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 PoP 12hr 60 50 50 60 50 QPF 12hr 0.48 0.19 0.21 0.43 0.33 Rain shwrs C C C L C C C S C C C C C C L L L L C C C Tstms S S S S Heat index 92 99 99 92 88 86 84 95101101 93 88 85 94102101 92 87 Max heat 92 99 98 87 95 102 100 87 94 103 100 Heat Y Y Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 88 77 88 77 89 76 88 Temp 78 83 88 80 78 83 88 80 78 84 89 80 77 83 88 80 Dewpt 75 77 76 75 75 76 76 75 75 77 76 76 75 77 76 75 PWind dir SE S SW SW SW SW SW SE Wind char LT LT GN GN LT LT LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 30 10 40 10 20 10 40 Rain shwrs C C C C S S C C S S S S S S S C $$ PRZ007-122000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Sun Oct 12 2025 Date Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 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 91 76 91 Temp 84 88 89 83 80 78 77 76 84 90 91 84 81 79 77 76 84 90 91 83 80 Dewpt 75 78 78 77 76 74 73 72 74 76 77 76 75 74 73 72 75 77 78 77 77 RH 74 72 70 82 88 88 87 87 72 64 64 77 82 85 87 87 74 66 66 82 91 Wind dir E E SE SE E NE NE NE E E SE E NE NE NE NE NE E SE SE E Wind spd 5 11 9 8 5 4 4 4 5 12 11 10 6 5 5 3 2 10 9 6 4 Clouds B1 B2 SC SC B2 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 50 50 30 40 40 QPF 12hr 0.28 0.10 0.15 0.07 0.21 Rain shwrs C C S C C S S S C C S S C C C C C C S Tstms S S Heat index 92102103 91 85 92102104 92 86 93103106 92 85 Max heat 92 103 100 83 92 105 103 84 93 106 104 Heat Y Y Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 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 76 90 76 90 76 89 Temp 76 83 90 80 77 84 90 80 77 84 90 80 77 83 89 80 Dewpt 73 75 77 76 73 75 77 75 74 75 77 76 74 76 78 77 PWind dir NE S W SW W SW E SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 20 30 20 30 10 30 Rain shwrs C C C C S S C C S S C C S S C C $$ PRZ008-122000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Sun Oct 12 2025 Date Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 87 76 88 76 87 Temp 82 86 87 82 79 78 77 76 83 87 88 82 80 78 77 76 82 86 87 81 79 Dewpt 74 75 75 75 75 74 73 72 73 75 75 75 75 74 74 72 75 76 76 75 75 RH 77 70 68 79 88 88 87 87 72 68 66 79 85 88 90 87 79 72 70 82 88 Wind dir E NE SE NE SE E E E E E E E E E E E E E NE E E Wind spd 5 3 3 3 6 3 8 9 6 6 11 13 13 11 12 10 8 5 2 4 5 Clouds SC SC B2 OV OV SC SC SC SC SC B2 B2 SC SC SC SC SC SC B2 B2 B1 PoP 12hr 70 70 50 30 60 QPF 12hr 0.85 0.29 0.31 0.05 0.79 Rain shwrs L L L C C C C S S S S L L C Tstms S S S S S S S Heat index 88 95 96 88 83 88 96 98 89 84 89 96 97 87 Max heat 88 98 96 88 98 96 89 98 96 Heat Y Y Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 86 76 87 76 87 75 86 Temp 76 81 86 79 77 82 87 79 77 82 87 79 76 81 86 79 Dewpt 73 74 76 75 73 75 75 74 73 75 76 75 73 74 76 75 PWind dir SE SW S SW SW SW S NE Wind char LT GN GN GN GN GN LT GN Avg clouds SC SC SC B1 B2 B2 B1 SC SC SC SC B1 B1 SC SC B1 PoP 12hr 40 50 50 50 10 40 40 60 Rain shwrs C S C C C C C C S S C C C C L L Tstms S S S S S S $$ PRZ010-122000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Sun Oct 12 2025 Date Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 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 92 74 93 73 93 Temp 85 91 92 83 79 77 75 74 85 91 93 83 79 76 74 73 84 91 93 84 80 Dewpt 76 78 78 77 76 75 73 72 75 76 77 77 76 75 74 73 75 77 78 77 76 RH 75 66 64 82 91 94 94 93 72 62 60 82 91 97100100 74 64 62 80 88 Wind dir E S N E E E E E E E W E E E E E E E W NE E Wind spd 6 6 9 4 5 3 3 3 2 1 8 3 4 4 6 5 2 3 5 3 1 Clouds SC SC OV OV OV SC SC SC SC SC OV OV B2 B2 SC SC SC SC OV OV B2 PoP 12hr 90 70 80 60 80 QPF 12hr 1.42 0.38 0.95 0.22 1.59 Rain shwrs S D D L D D L L D D L Tstms S S S S S S S S S S Heat index 94105107 92 84 93104107 92 92105108 94 86 Max heat 94 107 104 93 107 105 92 109 107 Heat Y Y Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 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 91 75 92 75 92 74 92 Temp 76 84 91 80 76 85 92 80 76 85 92 79 75 84 92 79 Dewpt 74 76 78 75 74 76 77 75 75 76 78 76 74 76 78 76 PWind dir SE S S SW S SW S S Wind char LT GN LT GN LT GN LT LT Avg clouds B1 SC B1 B1 SC SC B1 B1 SC SC SC B1 SC SC SC B1 PoP 12hr 60 50 30 50 20 50 30 60 Rain shwrs L C C C C C C C S S C C C C L L Tstms S S S S S S S S S $$ VIZ001-122000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Sun Oct 12 2025 Date Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 82 90 81 90 Temp 86 88 89 86 84 83 82 82 86 89 90 86 84 83 82 81 86 89 90 86 84 Dewpt 77 78 77 76 76 76 76 76 76 77 77 77 76 77 77 76 77 78 77 77 76 RH 75 72 68 72 77 80 82 82 72 68 66 75 77 82 85 85 75 70 66 75 77 Wind dir SE SE SE E E E E E E E E E E E E E E E E E E Wind spd 16 14 12 12 13 16 17 17 18 17 14 14 14 16 17 17 14 12 9 9 10 Clouds B2 SC SC SC SC B1 SC SC SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 50 40 40 50 40 QPF 12hr 0.15 0.10 0.17 0.17 0.17 Rain shwrs C S S C S C S C C C C C C C C C C C C C Tstms S Heat index 97102102 95 93 91 90 89 97102103 97 92 91 89 87 97104103 97 92 Max heat 97 102 102 93 97 103 102 92 97 104 102 Heat Y Y Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 89 81 91 81 91 81 90 Temp 82 85 89 83 82 87 91 84 82 87 91 84 82 86 90 84 Dewpt 76 76 76 75 76 76 77 77 77 78 77 77 77 77 77 77 PWind dir E S SW SW SW SW SW S Wind char GN GN GN GN GN GN LT LT Avg clouds B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC PoP 12hr 40 20 10 30 20 50 40 40 Rain shwrs C S S S S S C C S S C C C C S C Tstms S S $$ VIZ002-122000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Sun Oct 12 2025 Date Sun 10/12/25 Mon 10/13/25 Tue 10/14/25 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 90 78 90 Temp 84 88 89 83 81 79 78 77 84 89 90 84 82 80 79 78 85 89 90 84 81 Dewpt 76 77 76 75 75 75 75 74 76 76 76 76 75 75 76 76 77 77 76 76 75 RH 77 70 66 77 82 88 91 90 77 66 64 77 79 85 91 94 77 68 64 77 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 12 14 13 10 12 13 14 12 17 14 14 12 13 14 12 12 12 12 10 9 8 Clouds B2 SC SC SC SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 50 40 40 40 40 QPF 12hr 0.13 0.09 0.16 0.13 0.09 Rain shwrs C C S C S C C C C C C C C C C C C C Tstms S Heat index 92100100 91 86 83 93100101 93 88 85 95102101 92 87 Max heat 92 102 99 85 93 102 100 87 95 103 100 Heat Y Y Date Wed 10/15/25 Thu 10/16/25 Fri 10/17/25 Sat 10/18/25 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 89 77 89 77 89 77 89 Temp 78 84 89 81 78 84 89 81 78 84 89 81 78 84 89 81 Dewpt 75 76 76 75 75 77 77 76 76 78 77 76 76 77 77 76 PWind dir E S SW SW SW SW S SE Wind char GN GN LT GN LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 B1 SC PoP 12hr 30 30 30 40 40 60 60 50 Rain shwrs C S S C C C S C C C C L L L C S Tstms S S $$