Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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451 FOCA52 TJSJ 170902 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 502 AM AST Thu Jul 17 2025 PRZ001-172000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 80 87 90 73 77 82 80 88 90 71 76 82 80 88 90 Temp 83 86 87 84 80 79 77 78 83 87 88 85 79 77 76 77 83 87 88 85 79 Dewpt 74 73 73 74 74 74 73 72 76 76 77 76 75 75 74 74 75 75 76 75 75 RH 74 65 63 72 82 85 87 82 80 70 70 75 88 94 94 90 77 68 68 72 88 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 9 13 13 12 9 8 8 6 8 12 13 11 8 6 6 5 6 11 13 12 8 Wind gust 24 24 23 Clouds B1 B2 B1 SC SC B1 B1 B1 SC B2 SC SC SC SC B2 B2 B1 B1 B2 B2 B1 PoP 12hr 50 40 60 60 60 QPF 12hr 0.22-0.70 0.11 0.05-0.12 0.06-0.31 0.64-0.84 Snow 12hr MM MM MM Rain shwrs SC SC SC SC IS SC SC SC IS NM SC SC SC SC NM NM SC SC NM NM SC Tstms IS IS IS IS Obvis H H H H H H Heat index 89 93 94 91 84 80 92 97 99 94 83 90 96 98 93 83 Max heat 93 99 100 89 97 108 107 90 94 108 107 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 76 86 76 88 77 88 Temp 76 82 87 80 76 82 86 80 76 84 88 81 77 84 88 80 Dewpt 74 76 76 75 74 75 74 74 75 76 76 76 75 76 76 75 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN GN GN Avg clouds B1 SC SC SC SC SC SC B1 SC SC SC SC CL FW SC SC PoP 12hr 40 40 10 40 30 30 5 30 Rain shwrs SC SC SC SC IS IS SC SC IS IS IS IS IS SC SC Tstms IS $$ PRZ002-172000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 85 90 66 77 82 74 85 90 65 75 82 75 87 92 Temp 82 85 85 83 79 78 77 78 82 84 85 83 79 77 76 77 82 86 87 84 79 Dewpt 74 74 74 74 74 74 73 72 75 75 75 75 74 74 73 73 74 74 74 75 74 RH 77 70 70 74 85 88 87 82 79 74 72 77 85 90 90 87 77 68 65 74 85 Wind dir E E E E E E E E E E E E NE E E E E E E E E Wind spd 11 12 13 12 10 10 10 9 10 11 12 11 8 9 8 6 8 11 11 11 8 Wind gust 21 21 21 20 19 21 Clouds B2 B2 B2 B1 B1 B1 B2 SC SC B2 SC SC B1 B1 B2 B2 B1 B1 B2 B2 B1 PoP 12hr 60 60 60 70 60 QPF 12hr 0.22-0.70 0.12 0.11 0.07-0.31 0.68-0.84 Snow 12hr MM MM MM Rain shwrs SC SC NM SC SC SC NM SC IS NM SC SC SC SC NM NM SC SC NM NM SC Tstms IS IS IS IS IS Obvis H H Heat index 88 92 93 90 83 80 88 93 94 90 82 89 94 95 92 84 Max heat 95 102 102 90 96 102 101 91 96 105 104 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 86 76 85 76 87 77 87 Temp 76 82 86 79 76 81 85 79 76 83 87 80 77 83 87 80 Dewpt 73 75 75 74 73 74 73 73 74 75 75 74 74 75 76 74 PWind dir E E E E E E E E Wind char GN GN GN GN GN BZ GN GN Avg clouds B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 SC FW SC SC B1 PoP 12hr 50 50 30 50 40 40 30 40 Rain shwrs SC SC SC SC IS IS SC SC SC SC SC IS IS IS SC SC Tstms IS IS IS IS $$ PRZ003-172000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 76 86 93 68 76 82 76 86 92 68 75 82 76 87 92 Temp 82 85 86 84 80 78 77 78 82 85 86 84 79 77 75 77 82 86 87 84 79 Dewpt 73 73 73 73 74 73 73 71 75 75 75 75 74 74 73 73 74 74 74 75 74 RH 74 67 65 70 82 85 87 79 79 72 70 74 85 90 94 87 77 68 65 74 85 Wind dir E E E E E E E E E E E E NE NE NE E E E E E E Wind spd 10 13 13 11 9 9 10 8 9 11 12 11 9 8 6 6 8 11 12 11 8 Wind gust 26 26 24 20 24 25 21 24 27 25 Clouds SC B1 B1 SC SC SC SC SC FW FW SC SC CL CL FW FW FW FW SC SC SC PoP 12hr 40 30 10 5 30 QPF 12hr 0.02-0.22 0.01-0.10 0.00-0.08 0.00-0.07 0.01-0.79 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS IS IS SC IS IS IS IS IS IS IS SC SC IS Tstms IS IS IS IS Obvis H H H H H H H H H H H Heat index 87 92 93 90 83 80 89 94 95 91 82 88 94 96 92 83 Max heat 93 101 100 89 98 106 105 90 96 106 105 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 85 76 87 77 87 Temp 76 82 86 79 76 81 85 79 76 83 87 80 77 83 87 80 Dewpt 73 75 75 74 74 74 73 73 74 75 75 75 74 75 76 74 PWind dir E E E E E E E E Wind char LT GN GN GN GN GN GN GN Avg clouds SC SC B1 SC SC FW FW SC B1 B1 SC FW CL FW SC SC PoP 12hr 50 50 10 30 40 40 20 30 Rain shwrs IS SC SC SC IS IS IS SC SC SC IS IS IS SC SC $$ PRZ004-172000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 84 90 68 74 76 74 84 91 67 72 76 75 85 92 Temp 80 83 84 81 77 75 74 75 80 83 84 81 76 74 72 74 80 84 85 82 76 Dewpt 72 72 72 72 73 73 72 70 74 74 73 73 73 72 72 72 73 73 73 73 73 RH 77 70 67 74 87 94 93 84 82 74 70 77 90 93100 93 79 70 67 74 90 Wind dir E E E E E E E E E E E E NE NE E E E E E E E Wind spd 8 11 11 10 5 5 5 4 6 10 10 9 4 3 3 3 5 10 11 10 4 Clouds SC B1 B1 SC SC B1 B1 SC FW SC SC SC FW FW B1 B1 SC SC B2 B2 FW PoP 12hr 50 40 20 30 60 QPF 12hr 0.16-0.70 0.05-0.11 0.01-0.12 0.00-0.31 0.02-0.80 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS SC SC SC IS IS IS IS IS IS SC SC IS IS NM NM IS Tstms IS IS IS Obvis H H H H H H H H H Heat index 83 87 89 85 84 90 91 86 83 90 91 87 Max heat 91 98 98 85 95 103 102 85 94 103 102 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 84 73 83 73 85 74 85 Temp 73 79 84 76 73 79 83 76 73 80 85 78 74 80 85 77 Dewpt 71 74 73 72 72 73 71 71 72 74 73 73 73 74 74 73 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC B1 SC FW SC B1 SC SC SC FW FW FW SC B1 PoP 12hr 30 50 10 40 30 30 5 40 Rain shwrs IS SC SC SC IS IS SC SC IS SC SC IS IS SC SC Tstms IS $$ PRZ005-172000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 84 87 91 73 76 82 83 87 92 71 75 82 82 87 91 Temp 83 86 87 85 80 78 76 77 83 86 87 84 79 77 75 76 82 86 87 84 78 Dewpt 73 73 73 73 74 74 73 72 77 77 78 77 76 75 74 73 76 76 78 77 76 RH 72 65 63 67 82 88 90 85 82 75 75 80 91 94 97 90 82 72 75 80 94 Wind dir E E E E E E E E E E NE NE E E E E E E E E E Wind spd 9 14 17 16 11 9 8 8 8 13 16 13 11 9 8 5 6 12 14 11 8 Wind gust 26 31 29 24 24 27 24 27 23 Clouds SC B1 SC B1 FW B1 SC SC FW SC B1 B1 FW FW SC SC SC SC B2 B2 B1 PoP 12hr 40 40 30 30 50 QPF 12hr 0.12-0.87 0.02-0.11 0.03-0.68 0.00-0.31 0.08-1.20 Snow 12hr MM MM MM Rain shwrs IS SC IS SC IS SC SC SC IS IS SC SC IS IS IS IS IS IS SC SC SC Tstms IS IS IS IS IS IS IS Obvis H H H H H H H H H H H Heat index 89 93 95 92 83 92 99101 94 82 89 97100 93 80 Max heat 93 101 100 89 99 112 112 91 95 111 110 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 87 75 87 75 89 76 88 Temp 75 82 87 79 75 82 87 79 75 83 89 80 76 83 88 80 Dewpt 74 76 78 76 74 76 76 75 74 76 77 76 75 76 78 75 PWind dir E E E E E E E E Wind char LT GN LT GN LT BZ GN BZ Avg clouds SC SC SC SC CL FW SC SC FW FW FW SC CL FW SC SC PoP 12hr 30 50 5 30 5 20 5 30 Rain shwrs SC SC SC SC IS SC SC IS IS IS IS SC SC Tstms IS $$ PRZ006-172000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 83 92 63 72 76 74 83 92 61 71 75 75 82 92 Temp 78 82 83 80 76 74 72 74 79 82 83 80 75 73 71 72 78 81 82 80 75 Dewpt 70 70 69 70 71 71 70 68 73 73 74 74 72 72 71 70 72 72 73 73 72 RH 76 67 63 72 85 90 93 82 82 74 74 82 90 97100 93 82 74 74 79 90 Wind dir E E E E E E E E E E E E NE NE E E E E E E E Wind spd 6 10 11 10 5 4 5 4 5 9 10 6 5 3 3 3 4 9 10 8 4 Wind gust 25 25 24 23 25 24 27 23 Clouds FW B1 B1 SC CL SC SC SC FW FW B1 B1 CL CL FW FW FW FW B2 B2 FW PoP 12hr 40 20 40 5 60 QPF 12hr 0.01-0.64 0.00-0.10 0.01-0.68 0.00-0.06 0.01-1.20 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS IS SC SC IS IS IS IS NM NM IS Tstms IS IS IS IS IS IS Obvis H H H H H H H H H Heat index 80 85 86 83 81 87 88 83 80 86 88 83 Max heat 92 100 99 84 96 106 105 84 92 105 104 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 82 71 82 71 84 72 84 Temp 71 77 82 75 71 78 82 75 71 79 84 76 72 79 84 76 Dewpt 70 73 74 72 71 72 70 70 71 73 73 72 71 73 73 71 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW SC SC CL CL FW SC FW FW SC SC CL FW FW SC PoP 12hr 5 50 0 30 5 30 0 40 Rain shwrs IS IS SC SC SC SC IS IS IS IS SC SC $$ PRZ007-172000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 74 87 93 64 76 82 74 87 92 63 74 82 75 87 92 Temp 83 86 87 85 79 78 76 77 83 86 87 84 78 76 75 76 82 86 87 84 79 Dewpt 71 71 71 73 73 72 72 70 72 73 73 74 73 72 71 70 71 72 73 73 73 RH 67 61 59 67 82 82 87 79 70 65 63 72 85 87 87 82 69 63 63 70 82 Wind dir E E SE E E E E E E SE SE E NE NE NE NE E E SE SE E Wind spd 5 13 13 12 9 5 6 6 6 11 12 9 5 5 4 3 5 11 11 9 6 Wind gust 28 28 28 21 25 27 21 25 27 25 Clouds CL SC SC SC FW CL CL FW CL CL SC SC SC SC CL CL CL CL SC SC FW PoP 12hr 20 0 30 10 30 QPF 12hr 0.00-0.49 0 0.01-0.68 0.01 0.01-1.05 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS IS Obvis H H H H H H H H H H H H Heat index 87 92 94 91 83 87 93 95 91 81 86 92 94 90 82 Max heat 95 103 102 90 96 105 104 90 94 105 104 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 75 86 75 88 75 88 Temp 75 81 86 79 75 82 86 78 75 83 88 80 76 83 88 79 Dewpt 71 72 74 72 71 71 71 71 70 72 72 72 71 72 73 72 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN GN GN Avg clouds FW FW FW SC CL CL FW SC FW FW FW FW CL FW FW SC PoP 12hr 0 20 0 30 5 5 0 20 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS $$ PRZ008-172000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 87 93 71 75 82 83 86 92 70 74 82 83 86 92 Temp 82 86 87 84 79 77 75 76 81 85 86 83 78 76 74 75 81 85 86 83 77 Dewpt 73 72 74 74 74 74 73 72 75 75 76 75 74 74 73 72 74 74 76 75 74 RH 74 63 65 72 85 90 94 87 82 72 72 77 88 94 97 90 79 70 72 77 90 Wind dir E E E E E E E E E E NE NE E E E E E E E E E Wind spd 11 16 17 16 13 12 10 9 9 12 14 13 12 11 10 9 8 10 10 5 6 Wind gust 26 31 29 25 24 21 24 27 24 25 21 21 20 23 18 Clouds FW SC SC B2 FW SC SC SC FW SC B1 B1 FW FW SC SC FW FW B2 B2 B1 PoP 12hr 70 30 30 5 70 QPF 12hr 0.22-1.03 0.02-0.09 0.02-0.68 0.01 0.65-1.26 Snow 12hr MM MM MM Rain shwrs IS IS NM IS IS IS IS IS IS SC SC IS IS IS IS NM NM SC Tstms IS IS IS IS IS IS Obvis H H H H H H H H H H H Heat index 87 93 96 92 81 88 94 97 90 86 94 97 90 Max heat 94 105 103 90 99 109 108 90 96 109 108 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 86 73 86 73 88 74 88 Temp 74 81 86 77 74 81 86 78 74 82 88 79 75 82 88 79 Dewpt 73 74 77 75 73 74 75 74 72 74 76 75 73 74 76 75 PWind dir E E E E E E E E Wind char LT GN GN GN GN GN GN BZ Avg clouds B1 FW SC B1 CL CL SC SC FW FW FW SC FW FW SC SC PoP 12hr 40 60 0 40 0 40 0 40 Rain shwrs SC IS NM NM SC SC SC SC SC SC Tstms IS IS IS IS IS $$ PRZ009-172000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 74 84 93 66 72 76 74 83 92 64 70 74 75 83 92 Temp 79 83 84 81 76 74 72 73 79 82 83 80 75 73 71 72 78 82 83 80 75 Dewpt 70 69 70 72 72 71 70 69 72 73 75 73 73 72 71 69 72 72 74 72 72 RH 74 63 63 74 87 90 93 87 79 74 77 79 94 97100 90 82 72 74 77 90 Wind dir E E E E E E E E E E E NE E E E E E E E E E Wind spd 5 8 6 5 5 5 5 4 4 6 5 5 5 5 4 4 4 5 3 2 3 Wind gust 27 26 23 23 23 24 Clouds CL SC B2 B2 FW FW FW FW CL FW B2 B2 FW FW FW FW CL CL OV OV FW PoP 12hr 70 5 70 0 80 QPF 12hr 0.05-1.06 0.01 0.05-0.70 0 0.05-1.22 Snow 12hr MM MM MM Rain shwrs IS NM NM IS IS IS NM NM IS IS D D IS Tstms IS IS IS IS SC SC Obvis H H H H H H H H Heat index 81 87 89 85 81 88 90 84 80 87 90 84 Max heat 92 103 103 87 93 106 105 83 92 106 105 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 71 83 71 83 71 85 71 85 Temp 71 78 83 75 71 78 83 75 71 79 85 76 72 80 85 76 Dewpt 71 72 74 72 70 71 72 71 70 72 73 72 71 72 73 72 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT GN Avg clouds FW FW SC B1 CL CL FW SC FW FW SC SC CL CL SC SC PoP 12hr 0 60 0 50 0 50 0 50 Rain shwrs IS NM NM SC SC NM NM SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ010-172000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 90 93 70 75 82 76 88 92 68 74 82 75 88 92 Temp 84 88 90 86 80 78 76 77 83 87 88 85 79 76 74 76 82 87 88 85 79 Dewpt 72 72 74 74 75 74 73 72 75 76 77 76 75 74 73 71 74 75 76 75 75 RH 67 59 60 68 85 88 90 85 77 70 70 75 88 94 97 85 77 68 68 72 88 Wind dir E E E E E E E E E E E NE E E E E E E E E E Wind spd 8 6 8 6 8 9 9 8 6 6 6 6 11 10 8 6 5 4 4 5 8 Wind gust 18 20 23 20 19 20 21 24 20 18 20 18 26 25 21 16 16 19 Clouds CL FW B1 B2 SC FW FW FW CL FW B2 B2 SC SC FW FW CL CL B2 B2 B1 PoP 12hr 70 30 60 30 70 QPF 12hr 0.02-1.06 0.03 0.02-0.70 0.00-0.09 0.05-1.26 Snow 12hr MM MM MM Rain shwrs IS NM D SC NM NM SC SC D D SC Tstms IS IS IS IS SC SC IS Obvis H H H H H H H H Heat index 89 95 99 95 83 90 98101 94 81 88 96100 93 81 Max heat 95 105 104 92 97 111 110 91 96 111 110 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 88 74 88 74 89 74 90 Temp 75 83 88 79 75 83 88 79 75 83 89 79 75 84 90 80 Dewpt 73 74 77 75 73 73 76 74 72 74 77 76 73 74 77 75 PWind dir E E E E E E E E Wind char LT LT LT LT GN GN GN GN Avg clouds SC FW SC SC FW FW FW SC FW FW FW SC FW FW SC SC PoP 12hr 30 60 0 50 0 50 0 50 Rain shwrs SC NM NM IS SC SC NM NM IS NM NM Tstms IS IS IS IS IS IS IS IS IS $$ PRZ011-172000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 84 91 93 71 76 82 84 90 92 70 74 82 83 90 92 Temp 85 90 91 88 81 78 76 77 85 89 90 86 79 77 75 76 84 89 90 87 80 Dewpt 72 73 75 75 76 74 73 73 74 76 76 76 76 74 72 71 73 75 76 75 75 RH 65 58 60 66 85 88 90 87 70 66 64 72 91 90 90 85 70 64 64 68 85 Wind dir E SE SE E E E E E E SE SE E E NE NE E E SE SE E E Wind spd 6 14 17 13 12 10 10 10 9 13 12 8 6 6 5 5 8 12 11 8 9 Wind gust 32 34 28 26 24 24 23 20 27 27 27 25 19 Clouds CL FW SC SC FW CL CL FW CL FW B1 B1 B1 B1 CL CL FW FW SC SC SC PoP 12hr 20 5 40 40 20 QPF 12hr 0.01-0.64 0.01 0.03-0.70 0.04 0.01-1.07 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC SC SC IS IS IS Tstms IS IS IS Obvis H H H H H H H H H H H H Heat index 91 99102 97 86 91101103 97 83 90 99102 96 85 Max heat 94 105 104 91 94 109 108 91 94 106 105 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 75 90 75 91 76 92 Temp 76 84 90 80 76 84 90 80 76 85 91 81 76 85 92 81 Dewpt 72 74 76 75 72 73 74 75 71 73 76 76 72 73 76 75 PWind dir E SE E E E E E E Wind char GN GN GN GN GN BZ GN BZ Avg clouds FW FW FW FW CL CL FW SC FW FW FW FW CL FW FW FW PoP 12hr 10 10 0 20 0 5 0 10 Rain shwrs IS IS IS IS IS IS IS IS IS $$ PRZ012-172000- Culebra- Including the city of Culebra 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 88 92 80 84 87 91 76 79 82 83 88 92 Temp 85 87 88 86 83 81 80 81 84 86 87 85 82 80 79 80 85 87 88 86 82 Dewpt 75 75 76 76 76 75 73 73 76 77 77 76 75 76 75 75 75 76 76 76 76 RH 72 68 68 72 80 82 79 77 77 75 72 75 79 88 88 85 72 70 68 72 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 17 17 17 19 18 17 16 14 16 14 14 16 16 14 13 13 13 12 14 14 Clouds B1 SC SC SC B1 SC SC SC FW B1 SC SC SC SC B2 B2 B1 B1 B1 B1 B1 PoP 12hr 50 30 40 60 40 QPF 12hr 0.09-0.22 0.07 0.05 0.29 0.07-0.68 Snow 12hr MM MM MM Rain shwrs SC SC SC IS SC IS IS IS IS SC IS IS IS IS NM NM SC SC SC SC SC Obvis H H H H H H H H H Heat index 93 96 98 96 90 88 83 85 93 97 98 95 88 85 82 85 93 98 99 96 90 Max heat 96 105 105 93 97 105 104 93 98 105 104 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 87 80 87 80 89 80 88 Temp 80 84 87 82 80 84 87 82 80 85 88 83 80 85 88 83 Dewpt 76 76 76 76 75 74 76 75 76 76 77 76 76 76 77 76 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B2 B1 SC SC SC B1 SC B1 B1 B1 SC SC SC SC SC PoP 12hr 50 50 40 40 40 40 20 20 Rain shwrs SC SC SC SC IS SC SC SC SC SC SC IS IS IS IS IS Tstms IS IS $$ PRZ013-172000- Vieques- Including the city of Vieques 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 84 87 90 76 79 82 84 87 90 75 78 82 83 89 92 Temp 84 87 87 85 82 80 79 80 83 86 87 85 81 79 78 79 85 88 89 86 82 Dewpt 75 75 75 75 75 75 73 73 75 75 74 75 74 75 74 74 74 74 74 74 74 RH 74 68 68 72 79 85 82 79 77 70 65 72 79 88 88 85 70 63 61 68 77 Wind dir E E E E E E E E E E E E NE E E E E E E E E Wind spd 18 17 17 17 18 18 17 14 13 13 14 14 16 16 14 13 13 13 12 13 13 Clouds B1 SC SC FW SC SC SC CL SC B2 SC SC FW FW B2 B2 B1 B1 B1 B1 B1 PoP 12hr 40 20 60 60 40 QPF 12hr 0.02-0.22 0.03-0.11 0.03-0.11 0.07-0.28 0.03-0.80 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS IS IS NM IS IS IS IS SC SC SC SC SC SC SC Tstms IS IS Obvis H H H H H H H H H H H Heat index 92 96 97 94 88 85 80 82 91 95 95 92 86 83 82 92 97 98 95 88 Max heat 95 102 102 91 94 101 99 89 96 103 102 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 88 79 86 79 89 79 89 Temp 79 84 88 82 79 83 86 81 79 85 89 82 79 85 89 82 Dewpt 74 75 74 74 74 73 73 74 75 75 74 75 75 75 75 75 PWind dir E E E E E E E E Wind char BZ GN BZ BZ BZ BZ BZ BZ Avg clouds B1 B2 B1 B1 SC B1 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 50 50 40 40 40 40 30 30 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC IS IS IS SC SC Tstms IS IS $$ VIZ001-172000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 85 91 71 79 82 84 85 91 71 78 82 83 85 90 Temp 83 85 85 84 81 80 79 80 82 84 85 83 80 79 78 79 82 84 85 83 81 Dewpt 74 74 75 75 74 73 73 72 75 75 75 75 75 75 75 74 75 75 75 75 75 RH 74 70 72 74 79 79 82 77 79 74 72 77 85 88 91 85 79 74 72 77 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 19 19 18 18 19 19 17 16 17 16 14 13 16 16 14 14 13 13 12 13 14 Clouds SC SC SC SC SC SC SC SC FW SC FW FW SC SC B2 B2 SC SC B1 B1 SC PoP 12hr 30 30 30 50 30 QPF 12hr 0.03-0.10 0.05 0.05 0.09 0.03-0.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS SC IS IS SC SC SC SC IS IS SC SC SC Obvis H H H H H H H H H H H Heat index 89 92 93 91 86 83 81 82 89 93 93 91 85 83 80 81 88 92 93 91 86 Max heat 96 103 103 92 98 105 104 91 97 103 103 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 84 79 84 79 86 79 85 Temp 79 82 84 81 79 82 84 80 79 83 86 81 79 82 84 81 Dewpt 75 76 75 75 75 73 74 75 76 75 75 76 75 76 75 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 50 40 30 30 20 20 20 20 Rain shwrs SC SC SC IS IS SC SC IS IS IS IS IS IS IS IS IS Tstms IS IS $$ VIZ002-172000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 502 AM AST Thu Jul 17 2025 Date Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 84 87 93 76 79 82 84 86 92 75 78 82 83 88 92 Temp 84 86 87 85 82 81 79 80 83 85 86 84 81 79 78 79 84 87 88 85 82 Dewpt 75 75 75 74 72 72 71 70 75 75 75 75 74 75 75 74 75 75 75 75 74 RH 74 70 68 70 72 74 77 72 77 72 70 74 79 88 91 85 74 68 66 72 77 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 17 18 18 16 16 17 16 13 12 13 13 13 13 14 13 12 12 13 13 13 11 Clouds SC SC SC SC CL SC FW FW FW SC SC SC FW FW B1 B1 SC SC B1 B1 B1 PoP 12hr 30 20 10 40 50 QPF 12hr 0.07 0.02 0.01-0.07 0.04-0.10 0.06-0.80 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC Tstms IS IS Obvis H H H H H H H H H H H H Heat index 92 95 97 93 87 84 80 83 91 95 95 93 86 83 82 91 96 97 94 88 Max heat 96 106 104 89 97 106 105 90 97 106 104 Date Sun 07/20/25 Mon 07/21/25 Tue 07/22/25 Wed 07/23/25 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 79 88 79 87 79 89 79 89 Temp 79 84 88 82 79 84 87 81 79 85 89 82 79 85 89 83 Dewpt 75 75 75 74 74 73 74 75 75 75 75 75 76 76 76 75 PWind dir E E E E E E E E Wind char GN BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 20 20 20 10 20 20 Rain shwrs SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS $$