Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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266 FOCA52 TJSJ 191831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Sat Sep 19 2026 PRZ001-200800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 73 77 83 83 90 92 73 77 83 83 90 92 73 77 83 Temp 84 81 79 78 77 85 89 90 84 81 79 78 77 85 89 90 85 81 79 78 77 85 Dewpt 77 76 76 75 74 76 76 77 77 76 76 75 74 76 77 77 77 76 76 75 74 76 RH 80 85 91 91 90 75 66 66 80 85 91 91 90 75 68 66 77 85 91 91 90 75 Wind dir E E SE SE SE SE E E SE SE SE SE SE SE E E SE SE SE SE SE SE Wind spd 10 6 5 4 3 5 10 11 10 6 4 4 4 5 11 12 10 6 4 4 4 6 Wind gust 23 Clouds B1 SC SC SC B1 B1 B1 B1 B2 B1 B1 B1 SC SC SC B2 B2 B1 B1 SC SC SC PoP 12hr 50 60 40 60 50 QPF 12hr 0.08-0.25 0.36-0.66 0.11-0.23 0.30-0.71 0.06-0.15 Snow 12hr MM MM MM Rain shwrs SC SC IS IS SC SC SC SC NM SC SC SC SC IS IS NM NM SC SC IS IS IS Tstms IS IS IS IS IS Heat index 95 87 82 94101103 94 87 82 94101103 95 87 83 94 Max heat 111 94 99 111 110 94 99 111 110 94 100 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 77 90 77 90 77 91 77 91 Temp 90 81 78 85 90 81 77 85 90 81 78 85 91 81 78 85 91 81 Dewpt 77 76 75 76 77 76 75 77 77 76 75 77 76 76 75 77 72 73 PWind dir E SE E SE E SE SE SE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC FW FW SC SC SC SC B1 B1 SC SC B1 B1 SC SC SC SC PoP 12hr 40 10 30 30 50 20 50 20 30 Rain shwrs SC SC IS IS IS IS IS SC SC SC IS IS SC SC IS IS SC SC Tstms IS IS IS IS $$ PRZ002-200800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 77 83 75 88 92 67 77 83 75 88 92 67 77 83 Temp 83 80 79 78 77 83 87 88 83 80 79 78 77 83 87 88 83 81 79 78 77 83 Dewpt 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 75 74 74 74 74 74 RH 74 82 85 88 90 74 65 63 74 82 85 88 90 74 65 63 77 79 85 88 90 74 Wind dir E E E E E E SE SE SE SE SE SE SE SE SE SE SE SE SE SE E E Wind spd 9 6 6 5 4 6 9 9 8 6 5 5 4 6 11 10 9 6 5 5 6 9 Wind gust 20 Clouds SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B2 B2 SC SC SC PoP 12hr 60 60 60 50 50 QPF 12hr 0.22-0.32 0.22-0.43 0.14-0.30 0.20-0.42 0.15 Snow 12hr MM MM MM Rain shwrs IS IS SC SC NM NM NM SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC Tstms IS IS Heat index 90 85 82 80 90 95 96 90 85 82 80 90 96 96 91 85 83 80 91 Max heat 102 92 96 103 104 92 97 105 103 93 97 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 88 77 88 78 88 78 88 Temp 88 81 78 83 88 80 78 83 88 81 78 84 88 81 78 84 88 81 Dewpt 74 74 74 74 74 74 74 75 74 74 74 75 74 74 74 75 73 73 PWind dir E E E E E E E E E Wind char GN GN GN LT GN GN GN LT GN Avg clouds SC B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 30 30 40 40 40 40 40 30 30 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS $$ PRZ003-200800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 69 77 83 77 87 92 69 77 83 77 87 92 69 77 83 Temp 83 80 78 77 77 83 86 87 83 80 78 77 77 83 86 87 83 80 78 78 77 83 Dewpt 74 75 75 74 73 75 75 75 76 75 74 74 73 75 76 76 76 75 75 74 73 75 RH 74 85 91 90 87 77 70 68 80 85 88 90 87 77 72 70 80 85 91 88 87 77 Wind dir E E E E E E SE SE SE E E E E E SE SE SE E E E E E Wind spd 9 6 5 5 4 5 9 9 8 5 5 5 4 6 11 10 8 6 5 5 5 8 Wind gust 20 25 20 Clouds SC SC SC B1 B1 B1 B2 B1 SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 50 60 50 50 50 QPF 12hr 0.08-0.25 0.15-0.27 0.05-0.15 0.16-0.46 0.06-0.16 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC NM SC IS SC IS IS SC SC SC SC SC SC SC SC SC IS Heat index 89 84 81 90 96 97 90 84 81 90 96 97 91 84 81 90 Max heat 106 92 98 108 107 92 100 109 108 92 100 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 88 76 88 76 87 77 88 77 88 Temp 88 80 77 83 88 80 77 83 87 80 78 83 88 80 78 83 88 80 Dewpt 76 75 74 75 75 75 74 76 75 75 75 76 75 75 75 74 71 73 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 30 30 40 40 40 40 40 30 30 Rain shwrs IS IS SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC IS $$ PRZ004-200800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 74 77 77 86 92 69 74 77 77 86 92 69 74 77 Temp 81 78 76 75 74 81 85 86 81 78 76 75 74 81 85 86 81 78 76 75 74 81 Dewpt 74 73 73 73 72 74 74 73 74 73 73 72 72 74 74 74 74 73 73 73 72 74 RH 79 85 90 94 93 79 70 65 79 85 90 90 93 79 70 68 79 85 90 94 93 79 Wind dir E E E E SE E SE SE SE SE SE SE SE SE SE SE SE SE SE E E E Wind spd 8 4 3 3 2 4 8 9 8 4 3 4 3 5 10 10 8 4 3 3 3 6 Clouds B1 SC SC SC B1 B1 B1 B2 B1 B1 B1 SC SC B1 B1 B2 B2 B1 B1 SC SC SC PoP 12hr 50 50 40 60 50 QPF 12hr 0.07-0.27 0.18-0.50 0.08-0.26 0.31-0.82 0.07-0.16 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC SC SC SC SC SC SC IS SC SC SC NM NM SC SC IS IS IS Tstms IS IS IS IS Heat index 86 86 93 94 86 86 93 94 86 87 Max heat 104 87 97 106 105 87 98 107 105 87 98 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 74 87 73 86 74 87 74 87 Temp 87 78 75 81 87 77 74 81 86 78 75 81 87 78 75 81 87 78 Dewpt 74 73 73 74 74 73 73 74 74 73 73 75 73 73 73 75 69 72 PWind dir E E E E SE E SE E SE Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC SC SC SC B1 B1 B1 SC SC B1 B1 SC SC SC SC PoP 12hr 30 20 30 30 40 30 40 20 30 Rain shwrs IS SC IS IS IS IS SC SC SC SC SC SC SC SC IS IS SC SC Tstms IS IS $$ PRZ005-200800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 72 75 83 85 90 92 72 75 83 85 90 92 72 75 83 Temp 83 79 77 76 75 84 88 90 83 79 77 76 75 84 89 90 84 80 77 76 75 84 Dewpt 78 76 76 75 73 77 77 77 77 76 76 75 73 77 77 78 77 76 76 75 74 77 RH 85 91 97 97 94 80 70 66 82 91 97 97 94 80 68 68 80 88 97 97 97 80 Wind dir E SE SE SE SE SE E NE NE S SE SE SE SE E E E SE SE SE SE SE Wind spd 9 8 5 4 4 5 8 11 9 5 5 4 4 5 9 12 4 3 4 4 4 5 Wind gust 19 23 19 23 Clouds B1 B1 SC FW SC SC SC B1 B2 B2 B1 SC SC FW FW B2 B2 B1 B1 FW FW FW PoP 12hr 40 70 50 70 30 QPF 12hr 0.05-0.11 0.40-1.21 0.10 0.35-1.18 0.03-0.10 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS SC NM SC SC IS IS IS IS NM NM SC SC IS IS IS Tstms IS IS IS IS IS IS IS Heat index 93 83 93101103 93 83 93102104 94 84 93 Max heat 111 94 99 111 109 94 99 111 109 94 99 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 75 90 75 90 75 90 75 90 Temp 90 80 76 83 90 79 76 84 90 80 76 84 90 80 76 84 90 80 Dewpt 78 76 75 77 78 76 75 77 77 76 74 77 77 76 75 77 74 73 PWind dir E SE E SE E SE E SE E Wind char GN LT GN LT GN LT LT LT GN Avg clouds SC SC CL FW FW SC FW FW SC B1 FW FW SC B1 FW FW SC SC PoP 12hr 20 0 20 10 50 5 70 5 40 Rain shwrs IS SC IS IS IS IS IS SC IS IS IS NM IS IS SC SC Tstms IS IS IS IS $$ PRZ006-200800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 72 76 75 84 91 63 72 76 75 84 91 63 72 76 Temp 79 76 74 73 72 79 83 84 79 76 74 73 72 79 83 84 79 76 74 73 72 79 Dewpt 73 72 72 72 71 73 73 73 73 72 72 72 71 73 74 73 73 72 72 72 71 73 RH 82 87 93 97 97 82 72 70 82 87 93 97 97 82 74 70 82 87 93 97 97 82 Wind dir SE E E E E E SE SE S SE SE SE SE SE SE SE SE SE SE E E E Wind spd 4 3 2 3 2 4 6 6 5 3 3 3 3 4 8 8 5 4 3 3 3 5 Wind gust 19 23 19 Clouds B2 B1 FW SC FW SC B1 B1 B2 B1 B1 FW SC SC SC OV OV SC SC SC SC FW PoP 12hr 40 70 50 70 20 QPF 12hr 0.08 0.18-1.11 0.05-0.12 0.26-1.10 0.02-0.09 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS SC SC NM SC SC IS IS IS IS D D IS IS IS IS IS Tstms IS IS IS IS IS IS IS Heat index 82 82 89 90 82 82 89 90 82 82 Max heat 107 85 97 108 108 84 96 108 106 85 96 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 72 84 72 84 72 84 72 84 Temp 84 76 73 79 84 76 73 79 84 76 73 79 84 76 73 79 84 76 Dewpt 73 72 71 73 73 72 72 73 73 72 72 73 72 72 72 73 68 71 PWind dir E E E E SE E SE E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC FW FW SC SC FW FW SC B1 SC SC SC SC FW FW SC B1 PoP 12hr 20 5 40 10 40 10 50 5 40 Rain shwrs IS IS IS IS IS SC IS IS IS SC IS IS IS IS IS IS SC SC Tstms IS IS IS $$ PRZ007-200800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 63 75 83 75 87 92 63 75 83 75 87 92 63 75 83 Temp 82 79 77 76 75 82 86 87 82 79 77 76 75 82 86 87 82 79 77 76 75 82 Dewpt 74 74 73 72 71 73 74 74 74 73 73 72 71 73 75 75 74 73 73 72 71 73 RH 77 85 87 87 87 74 68 65 77 82 87 87 87 74 70 68 77 82 87 87 87 74 Wind dir SE E NE NE NE E SE SE SE E E E E E SE SE SE E E E E E Wind spd 5 4 4 3 3 5 9 9 6 5 5 4 4 6 11 10 8 5 4 4 4 6 Wind gust 20 23 25 23 Clouds B1 B1 SC SC SC SC SC B1 B1 B1 SC CL FW SC SC B1 B1 SC SC SC SC FW PoP 12hr 40 40 40 30 10 QPF 12hr 0.08-0.16 0.13-0.67 0.04 0.12-0.97 0.03 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS SC SC SC SC IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS IS Heat index 88 82 87 94 95 88 82 87 95 95 88 82 88 Max heat 104 92 95 106 105 92 95 106 105 92 95 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 88 75 87 75 88 76 88 Temp 87 79 76 82 88 79 76 82 87 79 76 82 88 79 76 83 88 79 Dewpt 75 74 71 72 75 74 72 73 74 74 72 73 74 74 72 72 71 73 PWind dir E E E E E E E E SE Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW SC FW SC SC SC FW FW SC SC SC SC SC SC FW FW SC B1 PoP 12hr 10 10 20 10 30 20 30 5 50 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC Tstms IS $$ PRZ008-200800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 74 83 85 88 92 70 74 83 85 88 92 70 74 83 Temp 82 78 76 75 74 82 87 88 82 78 76 75 74 82 87 88 82 78 76 75 74 82 Dewpt 76 76 75 74 72 75 76 76 76 76 75 73 72 75 76 76 76 76 75 73 72 75 RH 82 94 97 97 93 79 70 68 82 94 97 94 93 79 70 68 82 94 97 94 93 79 Wind dir E E SE SE SE E NE NE NE SE SE SE SE SE E NE NE E SE SE SE E Wind spd 5 6 6 3 4 6 6 8 8 4 4 5 4 5 6 9 5 4 4 3 4 5 Wind gust 19 Clouds B2 B1 SC FW FW FW FW SC OV B2 B2 FW FW FW FW OV OV B1 B1 FW FW CL PoP 12hr 40 70 50 80 40 QPF 12hr 0.05-0.13 0.93-1.23 0.09-0.15 0.70-1.23 0.04-0.11 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS NM SC SC IS D D SC SC Tstms IS IS IS IS IS IS IS Heat index 89 88 96 98 89 88 97 99 89 80 89 Max heat 106 93 95 109 105 93 95 107 106 93 95 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 74 88 74 88 74 88 74 88 Temp 88 78 75 82 88 78 75 82 88 78 75 82 88 78 75 82 88 78 Dewpt 76 76 73 75 76 76 73 75 76 76 73 75 76 76 73 75 74 73 PWind dir E E E E E SE E SE E Wind char LT LT LT LT GN LT LT LT LT Avg clouds FW SC CL CL FW SC FW FW SC B2 SC FW SC B2 SC SC SC B1 PoP 12hr 40 0 20 5 70 10 70 10 40 Rain shwrs SC SC IS IS IS IS NM NM IS IS NM NM IS IS SC SC Tstms IS IS IS IS $$ PRZ009-200800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 66 72 77 75 85 92 66 72 77 75 84 92 66 72 77 Temp 79 76 74 73 72 79 83 85 79 76 74 73 72 79 83 84 79 76 74 73 72 79 Dewpt 73 72 73 71 70 73 74 74 72 72 72 71 70 72 74 74 73 72 73 71 70 72 RH 82 87 97 93 93 82 74 70 79 87 93 93 93 79 74 72 82 87 97 93 93 79 Wind dir E E E SE SE SE SE SE E SE SE SE SE SE SE E E SE SE SE E E Wind spd 2 3 3 2 3 4 4 4 3 3 3 4 3 4 5 4 3 3 3 3 3 4 Wind gust 19 21 24 21 Clouds OV B2 SC FW FW FW FW B1 OV B2 B1 FW FW FW FW OV OV B1 B1 FW FW CL PoP 12hr 50 80 60 90 40 QPF 12hr 0.09-0.18 0.23-1.23 0.03-0.13 0.37-1.29 0.02-0.10 Snow 12hr MM MM MM Rain shwrs D SC IS IS IS SC D NM SC IS IS D D SC SC Tstms IS IS IS IS IS IS IS IS IS Heat index 83 82 90 92 82 82 90 92 82 82 Max heat 109 87 94 110 108 86 94 109 108 86 94 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 85 72 85 72 84 72 85 72 85 Temp 85 76 73 79 85 76 72 79 84 76 73 79 85 76 73 79 85 76 Dewpt 75 72 71 72 74 72 71 72 74 72 71 72 73 72 71 72 71 71 PWind dir E E E E SE SE SE SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC CL FW SC B1 FW FW SC B1 FW FW SC B1 FW FW SC B1 PoP 12hr 50 0 50 5 70 5 70 5 60 Rain shwrs SC SC SC SC IS IS NM NM IS IS NM NM IS IS NM IS Tstms IS IS IS IS IS IS IS IS $$ PRZ010-200800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 75 83 76 90 92 68 75 83 76 90 92 68 75 83 Temp 83 79 77 76 75 83 88 90 83 79 77 76 75 84 88 90 84 80 78 76 76 84 Dewpt 77 76 76 74 72 75 76 77 76 75 75 74 72 75 77 77 77 76 75 74 72 75 RH 82 91 97 94 90 77 68 66 80 88 94 94 90 74 70 66 80 88 91 94 87 74 Wind dir E E E E E E SE W E E E E E E SE SE E E E E E E Wind spd 3 5 5 4 5 6 4 5 5 4 5 8 6 6 5 5 6 5 4 5 5 6 Wind gust 20 18 16 16 17 21 20 19 19 17 16 16 19 Clouds B2 B2 B1 FW FW FW FW SC B2 B1 B1 FW FW FW FW OV OV B1 B1 FW FW FW PoP 12hr 60 70 50 80 50 QPF 12hr 0.09-0.20 0.06-1.22 0.01-0.16 0.02-1.29 0.04-0.17 Snow 12hr MM MM MM Rain shwrs NM NM SC IS IS NM SC SC IS D D SC SC Tstms IS IS IS IS IS IS IS IS IS IS Heat index 93 83 92101102 92 83 92101103 93 84 92 Max heat 109 93 100 111 108 93 99 111 109 93 100 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 75 90 75 90 75 90 75 90 Temp 90 79 76 83 90 79 76 83 90 79 76 84 90 80 76 84 90 80 Dewpt 77 76 74 75 77 76 74 75 77 76 74 75 77 76 74 75 73 74 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW FW B1 SC FW SC B1 SC SC SC B1 FW FW SC B1 PoP 12hr 50 0 50 10 70 20 60 5 50 Rain shwrs SC SC IS IS SC SC IS IS NM NM IS IS NM NM IS IS SC IS Tstms IS IS IS IS IS IS IS IS $$ PRZ011-200800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 73 76 83 85 91 92 73 76 83 85 91 92 73 76 83 Temp 85 80 78 77 76 85 90 91 85 81 79 77 77 85 90 91 85 81 79 77 77 85 Dewpt 76 76 76 74 73 75 77 77 77 76 75 74 73 75 78 78 77 76 75 74 73 75 RH 75 88 94 90 90 72 66 64 77 85 88 90 87 72 68 66 77 85 88 90 87 72 Wind dir E E E E E E SE SE SE E E E E E SE SE SE E E E E E Wind spd 8 8 6 6 6 9 12 13 10 9 8 9 9 11 14 14 10 8 8 8 6 10 Wind gust 19 25 27 21 19 21 20 24 29 29 24 21 Clouds B1 B1 B1 FW SC SC FW SC B1 SC SC CL FW SC SC B1 B1 SC SC FW FW FW PoP 12hr 50 30 30 40 20 QPF 12hr 0.09-0.20 0.10-0.57 0.02-0.09 0.12-0.98 0.02-0.10 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS IS IS IS SC SC IS IS IS SC SC IS IS IS IS Tstms IS IS IS IS IS IS Heat index 93 86 80 93103105 95 87 80 93104105 95 87 81 93 Max heat 108 93 96 109 108 92 96 111 109 92 96 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 91 76 91 76 91 76 91 76 91 Temp 91 80 77 85 91 80 76 84 91 81 77 85 91 81 77 85 91 81 Dewpt 78 77 74 74 78 77 74 75 77 76 74 75 77 76 74 73 74 75 PWind dir E E E E E E SE E SE Wind char GN LT GN LT GN GN GN LT GN Avg clouds FW SC FW FW FW SC SC FW SC SC SC SC SC SC FW FW SC B1 PoP 12hr 10 5 20 10 20 10 20 5 40 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC $$ PRZ012-200800- Culebra- Including the city of Culebra 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 85 88 92 81 85 88 92 81 Temp 85 83 82 82 81 85 87 88 85 83 82 82 81 85 87 88 85 83 82 82 81 85 Dewpt 76 75 76 75 75 76 75 75 75 75 76 75 75 76 76 75 76 75 76 75 75 76 RH 75 77 82 79 82 75 68 66 72 77 82 79 82 75 70 66 75 77 82 79 82 75 Wind dir E E E E E E SE SE SE E E SE SE SE SE SE SE SE E E E E Wind spd 9 11 11 10 9 10 10 9 9 10 9 8 9 11 12 11 10 10 11 13 14 13 Clouds SC SC B1 SC B2 B1 B1 B1 SC B1 B2 SC SC SC SC B1 B1 B1 B1 SC SC SC PoP 12hr 50 40 50 40 40 QPF 12hr 0.21 0.18 0.16 0.18 0.10 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC SC SC SC SC SC SC IS IS IS SC SC SC SC IS IS SC Heat index 94 91 90 88 87 94 97 98 94 91 90 88 88 95 97 98 94 91 90 88 88 94 Max heat 103 95 100 105 104 94 99 105 104 94 99 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 81 88 81 88 82 88 82 88 Temp 88 83 81 85 88 83 81 85 88 84 82 85 88 84 82 85 88 84 Dewpt 75 75 75 76 76 76 76 76 76 76 76 77 76 76 76 77 74 75 PWind dir E E E E E E E E E Wind char GN BZ BZ GN GN GN GN GN GN Avg clouds SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 30 30 40 40 40 40 40 30 30 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS SC SC IS $$ PRZ013-200800- Vieques- Including the city of Vieques 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 80 83 85 89 92 80 85 89 92 80 Temp 85 83 82 81 80 85 88 89 85 83 82 81 80 85 88 89 85 83 82 81 80 85 Dewpt 74 73 74 74 74 75 74 73 74 73 74 74 74 75 74 74 74 74 74 74 74 75 RH 70 72 77 79 82 72 63 59 70 72 77 79 82 72 63 61 70 74 77 79 82 72 Wind dir E E E E E E SE SE SE E SE SE SE E SE SE SE SE E E E E Wind spd 9 11 11 10 9 9 9 8 8 10 10 9 8 11 12 10 9 10 11 11 13 13 Clouds SC SC B2 B1 B2 B1 B1 B1 SC B1 B1 SC B1 B1 B1 B1 B1 B1 B1 SC SC SC PoP 12hr 50 40 40 50 50 QPF 12hr 0.24-0.29 0.18 0.13 0.17-0.26 0.14 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC Heat index 93 89 87 85 85 93 97 97 93 89 87 85 85 94 97 97 93 89 88 86 85 94 Max heat 100 92 96 102 101 92 97 103 101 92 97 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 80 89 80 89 81 89 81 89 Temp 89 83 81 85 89 83 80 85 89 83 81 85 89 83 81 85 89 83 Dewpt 74 74 74 75 74 74 75 76 74 74 75 76 74 74 75 76 74 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC PoP 12hr 30 30 40 40 40 40 40 30 30 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS $$ VIZ001-200800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 80 83 85 87 92 73 81 83 85 87 92 73 81 83 Temp 84 82 81 80 80 84 86 87 84 82 81 81 81 84 86 87 84 83 82 81 81 84 Dewpt 74 74 75 75 74 75 74 74 74 74 75 75 75 75 74 74 74 74 75 75 74 75 RH 72 77 82 85 82 74 68 65 72 77 82 82 82 74 68 65 72 74 79 82 79 74 Wind dir E E E E E E SE SE SE E SE SE SE E SE SE E E E E E E Wind spd 9 11 11 11 10 10 10 9 9 10 9 9 10 11 12 12 11 12 14 14 14 12 Clouds SC SC SC SC B1 B1 B1 B1 SC B1 B1 SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 40 40 40 40 20 QPF 12hr 0.11 0.16 0.09 0.07-0.14 0.05 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC SC SC SC SC SC IS IS IS IS SC SC IS IS IS IS IS Heat index 91 89 87 86 85 92 94 95 91 89 87 86 86 92 95 95 91 89 88 86 86 92 Max heat 102 93 98 103 102 93 99 104 102 93 98 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 80 87 80 87 81 87 81 87 Temp 87 82 80 84 87 82 80 84 87 83 81 84 87 83 81 84 87 83 Dewpt 74 75 75 75 74 75 76 76 75 75 76 76 75 76 76 76 73 75 PWind dir E E E E E E E E E Wind char GN BZ BZ GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC PoP 12hr 30 30 30 40 40 40 40 20 20 Rain shwrs IS SC SC SC IS SC SC SC SC SC SC SC SC IS IS IS IS IS $$ VIZ002-200800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Sat Sep 19 2026 Date 09/19/26 Sun 09/20/26 Mon 09/21/26 Tue 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 80 83 85 88 92 77 80 83 85 88 92 77 80 83 Temp 85 83 81 80 80 85 87 88 85 83 81 80 80 85 87 88 85 83 82 81 80 85 Dewpt 75 75 75 75 75 76 75 75 75 75 75 75 75 76 76 75 75 75 75 75 75 76 RH 72 77 82 85 85 75 68 66 72 77 82 85 85 75 70 66 72 77 79 82 85 75 Wind dir E E E E E E SE SE SE E E E E E SE SE E E E E E E Wind spd 9 9 9 8 8 9 10 9 9 9 8 9 9 10 12 11 11 11 11 11 12 12 Clouds SC SC B1 B1 B2 B1 B1 B1 B2 SC SC SC SC SC SC SC SC SC SC B1 B1 SC PoP 12hr 50 50 30 20 40 QPF 12hr 0.20 0.20 0.04 0.06-0.11 0.08 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC SC SC SC SC SC IS IS IS IS IS SC SC IS IS SC SC IS Heat index 93 90 88 86 85 94 97 98 93 90 88 86 85 94 98 98 94 90 88 86 86 94 Max heat 103 92 99 106 105 92 99 106 105 93 99 Date 09/22 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 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 88 80 88 80 88 81 88 81 88 Temp 88 83 80 85 88 83 80 85 88 83 81 85 88 83 81 85 88 83 Dewpt 75 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 74 75 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 30 30 30 40 40 40 30 30 30 Rain shwrs IS SC SC SC IS SC SC SC SC SC SC SC SC IS IS SC SC IS $$