Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
612 FOCA52 TJSJ 010902 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 502 AM AST Mon Sep 1 2025 PRZ001-012000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 81 89 92 74 78 82 82 89 92 73 77 82 82 89 92 Temp 84 88 89 84 81 79 78 77 84 88 89 84 81 79 78 77 84 88 89 83 80 Dewpt 76 77 76 76 76 76 76 75 76 77 77 77 76 76 76 76 77 77 77 77 75 RH 77 70 66 77 85 91 94 94 77 70 68 80 85 91 94 97 80 70 68 82 85 Wind dir SE SE E SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E Wind spd 5 9 11 10 6 5 4 5 6 10 12 11 6 5 5 4 6 11 14 11 6 Wind gust 21 Clouds SC B1 B2 SC SC B1 SC B1 FW SC B1 B1 FW FW CL CL SC SC B1 B1 FW PoP 12hr 60 40 40 20 50 QPF 12hr 0.33-0.49 0.08-0.26 0.07-0.73 0.01-0.06 0.12-0.66 Snow 12hr MM MM MM Rain shwrs IS SC NM IS IS SC SC SC IS IS SC SC IS IS IS IS SC SC IS Tstms IS IS IS IS IS Heat index 93 99100 92 85 81 93100101 93 86 83 80 93100101 92 85 Max heat 98 108 107 92 99 109 108 92 99 110 108 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 89 76 88 76 88 76 87 Temp 77 84 89 80 77 83 88 80 77 83 88 80 77 83 87 79 Dewpt 75 76 75 74 75 76 77 76 76 77 77 76 76 77 76 75 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 SC FW SC SC B1 SC SC B1 B1 SC SC SC SC PoP 12hr 20 20 20 50 30 70 30 50 Rain shwrs IS IS IS IS IS IS IS SC SC SC SC NM SC SC SC SC Tstms IS IS IS IS IS IS $$ PRZ002-012000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 88 93 67 77 82 74 87 92 65 75 82 74 87 93 Temp 83 87 88 83 80 78 77 76 83 86 87 82 79 77 76 76 82 86 87 82 79 Dewpt 75 75 74 75 74 75 75 75 75 76 76 76 75 76 75 75 75 76 75 76 74 RH 77 68 63 77 82 91 94 97 77 72 70 82 88 97 97 97 79 72 68 82 85 Wind dir SE SE SE SE E E E E E SE SE E SE E E E E E E E E Wind spd 5 10 10 9 6 8 8 8 9 10 9 9 6 8 6 8 9 11 11 10 8 Wind gust 20 20 21 Clouds B1 B1 B1 B1 SC B1 B1 B2 B1 SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC PoP 12hr 40 50 50 50 50 QPF 12hr 0.16-0.43 0.17-0.27 0.07-0.76 0.04-0.16 0.15-0.66 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS Heat index 90 97 97 91 84 81 90 97 98 90 83 90 96 97 90 82 Max heat 99 108 107 92 99 109 108 93 98 109 108 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 75 87 76 87 76 86 Temp 76 82 87 79 76 82 87 79 76 82 87 79 76 82 86 79 Dewpt 74 75 73 73 74 75 75 75 75 76 76 75 75 75 75 74 PWind dir E E E E E E E E Wind char LT GN LT GN GN GN GN GN Avg clouds SC B1 SC SC SC SC SC B1 SC SC B1 B1 SC SC B1 B1 PoP 12hr 40 30 20 60 50 70 50 60 Rain shwrs SC SC SC IS IS IS IS SC SC SC NM NM SC SC SC SC Tstms IS IS IS IS IS IS $$ PRZ003-012000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 78 88 93 71 77 82 77 87 92 68 76 82 77 87 93 Temp 83 87 88 83 80 78 77 76 83 86 87 82 79 77 76 76 82 86 87 82 79 Dewpt 74 74 73 75 74 75 74 74 75 75 74 75 74 75 74 74 75 74 74 75 74 RH 74 65 61 77 82 91 90 94 77 70 65 79 85 94 94 94 79 68 65 79 85 Wind dir E SE SE SE E E E E E E SE SE E E E E E E SE E E Wind spd 5 9 9 8 6 5 6 6 8 10 9 9 6 6 5 6 8 11 12 10 8 Wind gust 21 24 25 Clouds B1 B2 B1 B1 SC SC B1 B1 SC CL FW FW SC SC SC SC B1 B1 SC SC FW PoP 12hr 60 40 10 40 40 QPF 12hr 0.18-0.31 0.05-0.19 0.00-0.09 0.03-0.14 0.04-0.17 Snow 12hr MM MM MM Rain shwrs SC NM SC SC SC IS SC SC IS IS IS IS IS IS IS SC SC IS IS IS Heat index 89 95 96 90 83 80 89 95 96 89 82 89 95 95 88 81 Max heat 98 105 104 92 98 106 105 92 97 106 105 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 75 87 76 87 75 86 Temp 75 82 87 79 76 82 86 79 76 82 87 79 76 81 86 79 Dewpt 73 74 72 72 73 74 73 74 74 75 74 74 74 74 73 73 PWind dir E E E E E E NE E Wind char LT GN LT GN GN GN LT GN Avg clouds FW SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 30 20 30 30 40 40 40 Rain shwrs IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC IS $$ PRZ004-012000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 86 94 70 74 78 76 86 92 68 73 78 76 86 93 Temp 81 85 86 81 77 75 74 73 81 85 86 80 77 75 74 73 81 85 86 80 76 Dewpt 74 74 73 74 73 74 73 73 75 74 74 75 73 74 73 73 74 75 74 74 72 RH 79 70 65 79 87 97 97100 82 70 68 85 87 97 97100 79 72 68 82 87 Wind dir E SE SE SE SE E E E E SE SE SE E E E E E E E E E Wind spd 4 9 9 8 4 3 4 4 5 9 9 8 4 4 4 4 6 10 11 9 5 Clouds B1 B1 B1 B1 SC SC B1 B1 FW FW SC SC FW FW FW FW B1 B1 B1 B1 FW PoP 12hr 50 40 30 40 40 QPF 12hr 0.21-0.45 0.05-0.22 0.01-0.75 0.02-0.10 0.08-0.65 Snow 12hr MM MM MM Rain shwrs SC SC SC SC IS IS SC SC IS IS SC SC IS IS IS IS SC SC SC SC IS Tstms IS IS IS Heat index 86 93 93 85 86 93 94 85 85 93 94 84 Max heat 97 106 105 86 97 107 106 88 98 107 106 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 86 73 85 73 85 73 84 Temp 73 80 86 77 73 80 85 76 73 80 85 76 73 79 84 76 Dewpt 72 74 72 71 72 74 74 73 73 75 74 73 73 74 73 73 PWind dir E E E E E E E E Wind char LT GN LT LT LT GN LT LT Avg clouds FW SC SC FW FW SC SC SC SC SC SC B1 SC SC SC SC PoP 12hr 20 20 20 30 30 40 30 40 Rain shwrs IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS $$ PRZ005-012000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 89 93 73 76 82 85 89 92 73 76 82 84 89 93 Temp 83 88 89 83 79 77 76 75 83 88 89 83 80 78 76 76 83 88 89 83 79 Dewpt 76 77 78 77 76 76 75 74 77 78 78 77 76 76 75 75 77 78 78 77 76 RH 80 70 70 82 91 97 97 97 82 72 70 82 88 94 97 97 82 72 70 82 91 Wind dir SE E E E SE SE SE SE SE E E E SE SE SE SE E E E E E Wind spd 5 6 11 8 5 5 4 4 5 9 12 6 5 5 4 3 5 10 14 11 8 Wind gust 23 24 18 26 21 Clouds SC SC B2 B2 B2 SC SC SC FW FW B1 B1 FW FW CL CL FW FW B1 B1 CL PoP 12hr 60 60 50 5 30 QPF 12hr 0.26-1.72 0.07-0.18 0.04-1.75 0.01 0.05-1.20 Snow 12hr MM MM MM Rain shwrs IS IS SC D NM IS IS IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS Heat index 92101103 92 83 93102103 93 84 93102103 92 82 Max heat 99 114 112 92 100 113 111 92 100 115 112 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 89 75 88 75 88 75 87 Temp 76 83 89 79 76 82 88 79 76 83 88 79 76 82 87 78 Dewpt 75 77 76 74 74 77 78 76 75 78 78 76 75 77 77 76 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW FW SC FW FW SC SC FW FW SC SC FW FW SC SC PoP 12hr 0 30 10 20 10 40 10 50 Rain shwrs SC SC IS IS IS IS IS IS IS SC IS IS IS SC Tstms IS IS IS IS $$ PRZ006-012000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 83 91 64 73 76 74 83 91 64 72 76 74 83 91 Temp 78 82 83 78 75 73 72 72 78 82 83 78 75 74 73 72 78 82 83 78 75 Dewpt 72 73 73 73 72 72 71 71 73 73 73 74 72 72 71 71 73 74 73 73 72 RH 82 74 72 85 90 97 97 97 85 74 72 88 90 93 93 97 85 77 72 85 90 Wind dir SE SE SE SE SE SE E E E SE SE SE SE E E E E E SE E E Wind spd 3 5 5 4 4 3 3 3 4 6 8 6 4 3 3 3 4 9 10 8 4 Wind gust 20 24 23 Clouds SC B1 B2 B2 SC SC SC SC FW CL SC SC FW FW CL CL SC SC SC SC CL PoP 12hr 60 30 30 10 30 QPF 12hr 0.29-1.45 0.03-0.13 0.00-1.50 0.01 0.04-0.13 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC IS IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS Heat index 81 87 88 81 81 87 89 81 81 87 88 80 Max heat 93 104 103 94 104 103 84 95 105 103 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 83 71 82 71 82 71 81 Temp 72 78 83 75 72 77 82 74 72 78 82 75 72 77 81 74 Dewpt 71 72 71 70 70 72 73 71 71 73 73 72 71 73 72 71 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW FW SC FW FW FW SC FW FW SC SC FW FW SC SC PoP 12hr 5 30 10 20 10 30 10 50 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC Tstms IS IS IS $$ PRZ007-012000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 94 66 76 82 74 87 92 64 76 82 74 87 93 Temp 82 86 87 82 79 77 76 75 82 86 87 82 79 78 76 76 82 86 87 82 79 Dewpt 72 72 72 73 73 73 72 71 73 73 73 74 73 73 72 72 73 73 73 73 73 RH 72 63 61 74 82 87 87 87 74 65 63 77 82 85 87 87 74 65 63 74 82 Wind dir E SE SE SE E E NE E E SE SE SE E E E E E SE SE SE E Wind spd 4 8 8 6 5 5 4 4 5 9 9 8 5 5 4 3 5 11 11 10 6 Wind gust 20 21 21 25 26 23 Clouds SC B1 B1 B1 SC SC SC SC FW CL SC SC FW FW FW FW FW FW SC SC CL PoP 12hr 50 20 10 5 20 QPF 12hr 0.13-0.78 0.03 0.00-1.50 0.01 0.02-0.75 Snow 12hr MM MM MM Rain shwrs IS SC SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS Heat index 87 92 94 88 82 87 93 95 88 83 80 88 93 94 87 82 Max heat 95 105 103 91 95 105 103 91 96 104 103 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 75 86 75 87 75 86 Temp 76 82 87 79 76 81 86 78 76 82 87 79 76 81 86 78 Dewpt 71 72 73 72 69 71 73 73 72 72 73 73 71 72 73 73 PWind dir E E E E E E E E Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW SC FW FW FW SC FW FW SC SC FW FW SC SC PoP 12hr 5 30 5 20 10 40 5 30 Rain shwrs IS IS IS IS IS IS IS IS SC IS IS IS IS Tstms IS $$ PRZ008-012000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 88 94 71 75 82 85 88 92 71 75 82 84 87 94 Temp 82 87 88 82 78 76 75 74 82 87 88 82 79 77 76 75 82 86 87 82 78 Dewpt 74 75 76 75 75 75 74 72 74 76 76 76 75 75 74 73 75 76 76 75 75 RH 77 68 68 79 91 97 97 93 77 70 68 82 88 94 94 94 79 72 70 79 91 Wind dir E E NE NE SE SE SE SE E E NE E SE SE SE SE E E E E E Wind spd 5 3 8 6 4 5 4 5 5 5 8 5 3 5 4 4 5 8 11 5 5 Wind gust 23 Clouds SC B1 OV OV B2 SC SC SC FW CL B2 B2 SC SC CL CL FW FW B2 B2 FW PoP 12hr 80 60 70 10 70 QPF 12hr 0.84-1.89 0.17 0.83-2.01 0.02 0.10-2.01 Snow 12hr MM MM MM Rain shwrs SC NM D NM IS NM NM IS IS NM NM Tstms IS IS IS IS IS IS IS Heat index 88 96 98 89 80 88 97 99 90 81 89 97 98 88 Max heat 97 109 107 92 96 107 106 91 97 109 108 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 88 74 87 74 87 74 86 Temp 75 82 88 78 75 81 86 78 75 82 87 78 75 81 86 77 Dewpt 73 74 75 74 72 75 77 75 74 76 77 75 74 75 76 75 PWind dir E E E E E E E E Wind char LT GN LT GN GN GN LT GN Avg clouds FW CL FW SC CL FW SC B1 FW FW SC B1 FW FW SC B1 PoP 12hr 0 50 5 70 5 80 10 60 Rain shwrs SC SC NM NM IS IS IS D IS IS IS NM Tstms IS IS IS IS SC SC IS IS $$ PRZ009-012000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 94 66 73 76 75 85 92 65 72 76 74 84 93 Temp 79 83 84 79 76 74 73 72 79 84 85 79 76 74 73 72 79 83 84 79 75 Dewpt 72 73 73 73 72 73 71 70 72 73 74 73 72 73 71 71 73 73 74 72 72 RH 79 72 70 82 87 97 93 93 79 70 70 82 87 97 93 97 82 72 72 79 90 Wind dir SE SE SE E E SE SE SE E SE SE SE SE SE E E E E E E SE Wind spd 3 3 4 4 3 3 3 3 4 4 4 3 3 4 3 3 3 5 4 4 3 Wind gust 20 20 24 25 21 Clouds SC SC B2 OV B1 SC SC SC FW CL B2 B2 FW FW CL CL FW FW B2 B2 CL PoP 12hr 80 50 70 0 60 QPF 12hr 0.19-1.92 0.02-0.18 0.04-2.01 0 0.05-2.00 Snow 12hr MM MM MM Rain shwrs IS NM D SC NM NM NM NM Tstms IS IS IS IS IS IS IS Heat index 82 89 90 82 82 90 91 83 82 89 91 81 Max heat 94 106 104 84 93 107 105 84 94 107 105 Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 85 72 83 72 84 72 83 Temp 72 79 85 76 73 78 83 75 72 79 84 75 72 78 83 75 Dewpt 71 72 72 71 70 72 74 72 71 73 74 72 71 73 73 72 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds CL CL SC B1 CL CL SC SC CL FW SC B1 FW FW SC B1 PoP 12hr 0 60 0 60 0 80 5 70 Rain shwrs NM NM NM NM D D IS IS NM NM Tstms IS IS IS IS SC SC IS IS $$ PRZ010-012000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 90 94 71 76 82 78 90 92 69 75 82 77 89 94 Temp 84 88 90 84 80 78 76 76 84 88 90 84 80 78 76 76 84 88 89 83 79 Dewpt 74 76 76 76 76 75 74 73 75 76 77 76 75 75 74 74 75 77 77 76 76 RH 72 68 64 77 88 91 94 90 74 68 66 77 85 91 94 94 74 70 68 80 91 Wind dir E SE NE E E E E E E SE NE E E E E E E E E E E Wind spd 5 4 5 6 6 5 5 5 6 4 4 5 4 6 5 5 5 5 6 4 4 Wind gust 18 17 16 18 17 21 18 14 19 18 17 18 19 19 20 20 19 Clouds SC SC B1 B2 B1 SC SC SC FW CL B2 B2 SC SC FW FW FW FW B2 B2 FW PoP 12hr 80 50 70 10 60 QPF 12hr 0.01-1.90 0.00-0.18 0.04-2.01 0.00-0.14 0.08-2.02 Snow 12hr MM MM MM Rain shwrs IS SC D NM NM NM IS IS D D IS Tstms IS IS IS IS IS IS IS Heat index 91 99101 92 83 91100102 92 83 91100102 91 81 Max heat 97 111 110 92 98 109 108 92 98 112 109 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 90 75 89 75 89 75 89 Temp 75 84 90 80 76 83 88 79 76 83 89 79 76 83 89 79 Dewpt 74 75 76 75 73 74 77 76 74 76 77 76 74 75 76 75 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC FW FW SC SC CL FW SC B1 FW FW SC B1 PoP 12hr 5 60 0 70 5 70 5 70 Rain shwrs IS NM NM NM NM D D IS IS NM NM Tstms IS IS IS IS SC SC IS IS $$ PRZ011-012000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 92 94 74 77 82 85 91 92 72 76 82 85 91 94 Temp 85 90 92 85 80 78 77 76 85 89 91 84 80 78 77 76 85 90 91 84 80 Dewpt 74 73 75 75 75 75 75 74 75 75 75 75 76 75 75 74 75 75 75 75 75 RH 70 58 58 72 85 91 94 94 72 64 60 74 88 91 94 94 72 62 60 74 85 Wind dir E SE SE SE E E E E E SE SE SE E E E E E SE SE SE E Wind spd 9 11 12 9 8 9 8 6 9 12 12 10 9 9 9 8 9 13 16 13 8 Wind gust 23 24 20 20 25 26 20 23 20 19 20 26 33 29 19 Clouds SC SC SC SC SC SC SC SC FW CL SC SC FW FW CL CL FW FW SC SC FW PoP 12hr 30 10 10 0 20 QPF 12hr 0.10-1.03 0.01-0.08 0.00-1.50 0 0.02-0.11 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS Heat index 92 99102 93 85 92100102 93 85 93100102 92 83 Max heat 95 108 106 91 95 109 107 92 96 109 107 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 92 75 90 76 91 76 90 Temp 76 85 92 80 76 84 90 80 77 85 91 80 77 84 90 80 Dewpt 74 74 75 75 71 71 75 75 73 74 75 76 73 73 75 75 PWind dir E E E E E E E E Wind char GN GN LT LT LT GN LT GN Avg clouds FW FW FW FW CL CL FW FW FW FW FW FW CL FW FW FW PoP 12hr 0 20 0 10 5 20 5 20 Rain shwrs IS IS IS IS IS IS IS IS IS IS $$ PRZ012-012000- Culebra- Including the city of Culebra 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 89 93 79 84 88 92 75 78 82 85 88 92 Temp 84 88 89 84 81 80 79 78 84 87 87 84 81 80 79 79 84 87 88 84 82 Dewpt 77 77 76 77 76 77 77 77 77 78 77 78 77 78 77 77 77 78 77 78 77 RH 80 70 66 80 85 91 94 97 80 75 72 82 88 94 94 94 80 75 70 82 85 Wind dir E SE SE SE E E E E E SE SE E E E E E E E E E E Wind spd 11 11 10 10 12 13 13 14 14 13 12 11 12 13 13 13 14 17 14 14 13 Clouds B1 SC B1 SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 SC SC B1 PoP 12hr 40 50 20 50 50 QPF 12hr 0.16 0.14 0.07 0.12 0.19 Snow 12hr MM MM MM Rain shwrs SC SC SC SC IS IS SC SC IS IS IS IS IS IS SC SC SC SC SC SC SC Heat index 94100100 94 89 85 82 81 93 99100 94 88 85 81 81 94 99 99 94 89 Max heat 98 106 105 92 97 106 105 93 98 107 106 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 88 79 89 78 89 79 87 Temp 79 85 88 82 79 84 88 82 79 84 88 82 79 84 87 81 Dewpt 76 76 76 76 77 77 78 78 78 78 78 77 77 77 76 77 PWind dir E E E E E E E E Wind char GN GN GN GN BZ BZ BZ GN Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 PoP 12hr 40 30 20 50 50 50 60 60 Rain shwrs SC SC SC IS IS IS SC SC SC SC SC SC SC NM NM NM Tstms IS IS IS IS $$ PRZ013-012000- Vieques- Including the city of Vieques 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 90 93 76 79 82 85 88 91 74 77 82 85 88 92 Temp 85 89 89 85 81 80 79 78 84 87 88 83 80 79 78 78 84 87 88 84 81 Dewpt 76 76 75 75 75 76 76 76 76 76 75 76 75 76 76 76 76 76 75 76 75 RH 75 66 64 72 82 88 91 94 77 70 66 80 85 91 94 94 77 70 66 77 82 Wind dir E SE SE SE E E E E E SE SE E E E E E E E E E E Wind spd 10 10 9 9 11 13 13 13 13 12 10 10 11 13 12 12 14 16 13 13 13 Clouds SC SC B1 B1 SC SC B1 B2 SC FW SC SC B1 B1 B1 B1 B2 B2 SC SC SC PoP 12hr 40 50 30 50 50 QPF 12hr 0.16 0.18 0.04-0.10 0.14 0.16 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC IS SC SC SC IS IS IS SC SC SC SC SC SC IS IS SC Heat index 93 99 99 93 87 84 80 93 98 98 92 86 81 92 98 98 93 87 Max heat 96 105 103 92 96 103 101 92 95 103 101 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 89 78 89 78 89 78 88 Temp 79 85 89 81 79 84 89 81 79 84 88 81 78 84 88 81 Dewpt 75 75 74 74 76 76 75 76 77 77 76 75 76 76 75 75 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ GN Avg clouds B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 B2 SC PoP 12hr 40 30 20 50 50 50 60 60 Rain shwrs SC SC SC IS IS IS SC SC SC SC SC SC SC NM NM SC Tstms IS IS IS $$ VIZ001-012000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 85 92 71 78 82 82 84 90 71 78 82 83 85 91 Temp 82 84 85 82 80 79 78 77 81 84 84 82 80 79 78 78 82 84 85 82 80 Dewpt 76 76 75 76 76 77 76 76 77 77 76 77 76 77 77 76 77 76 76 76 75 RH 82 77 72 82 88 94 94 97 88 80 77 85 88 94 97 94 85 77 75 82 85 Wind dir E SE SE SE E E E E E SE SE E E E E E E E E E E Wind spd 11 11 11 10 11 14 14 14 16 14 13 12 13 16 14 14 14 14 13 13 13 Clouds SC B1 B1 SC SC SC B1 B1 SC FW SC SC SC SC SC SC B1 B1 SC SC B1 PoP 12hr 40 40 10 40 40 QPF 12hr 0.13 0.10 0.03 0.09 0.12-0.19 Snow 12hr MM MM MM Rain shwrs SC SC SC SC IS IS SC SC IS IS IS IS IS IS SC SC SC SC SC SC SC Heat index 89 93 94 88 84 81 80 88 93 93 88 84 82 80 80 90 94 94 89 83 Max heat 97 103 102 92 96 102 102 93 98 103 102 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 85 78 85 78 86 78 85 Temp 78 82 85 80 78 82 85 80 78 83 86 80 79 82 85 79 Dewpt 76 75 75 75 76 76 77 77 77 77 77 76 76 76 75 76 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ GN Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC PoP 12hr 40 20 20 50 50 50 60 60 Rain shwrs SC IS IS IS IS IS SC SC SC SC SC IS SC NM NM SC Tstms IS IS IS IS $$ VIZ002-012000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 502 AM AST Mon Sep 1 2025 Date Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 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 89 95 81 85 88 92 77 79 83 85 88 94 Temp 85 88 89 85 83 81 80 80 85 87 88 84 82 80 80 79 84 87 88 84 81 Dewpt 76 76 76 77 76 77 77 77 77 77 77 77 76 77 76 77 77 77 76 77 76 RH 75 68 66 77 80 88 91 91 77 72 70 80 82 91 88 94 80 72 68 80 85 Wind dir E SE SE SE E E E E E SE SE E E E E E E E E E E Wind spd 10 12 11 10 10 11 11 11 12 13 12 11 11 11 11 12 14 14 14 12 11 Clouds SC SC B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC B2 B2 SC SC SC PoP 12hr 40 40 10 50 50 QPF 12hr 0.15 0.11 0.04 0.10 0.14 Snow 12hr MM MM MM Rain shwrs IS SC SC SC IS IS SC SC IS IS IS IS IS IS SC SC SC SC IS IS SC Heat index 94 99100 95 91 89 86 85 94 99 99 94 89 86 83 83 94 98 99 93 87 Max heat 100 110 108 94 100 107 106 93 100 109 107 Heat Y Y Date Thu 09/04/25 Fri 09/05/25 Sat 09/06/25 Sun 09/07/25 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 78 87 79 87 78 87 Temp 79 84 88 81 79 83 87 82 79 84 87 81 79 83 87 81 Dewpt 76 75 76 76 76 76 77 77 77 77 77 76 76 76 76 76 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC FW SC SC SC SC SC SC SC SC B1 B2 B1 SC SC PoP 12hr 30 20 20 50 50 60 60 40 Rain shwrs SC IS IS IS IS IS SC SC SC SC SC NM NM NM IS SC Tstms IS IS IS IS $$