Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
1
2
179 FOCA52 TJSJ 190631 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 AM AST Sat Sep 19 2026 PRZ001-192000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 90 92 73 77 83 83 90 92 73 77 83 83 90 92 Temp 78 85 89 90 84 81 79 78 77 85 89 90 84 81 79 78 77 85 89 90 85 81 Dewpt 75 76 77 77 77 76 76 75 74 76 76 77 77 76 76 75 74 76 77 77 77 76 RH 91 75 68 66 80 85 91 91 90 75 66 66 80 85 91 91 90 75 68 66 77 85 Wind dir SE E E E E E SE SE SE SE E E SE SE SE SE SE SE E E SE SE Wind spd 4 5 9 12 10 6 4 4 3 5 10 12 10 6 4 4 4 8 11 12 11 8 Wind gust 23 20 Clouds SC SC FW B1 B1 SC SC SC B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC B2 B2 B1 PoP 12hr 40 50 60 40 60 QPF 12hr 0.19-0.64 0.08-0.25 0.36-0.66 0.11-0.23 0.30-0.71 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC IS IS SC SC SC NM NM SC SC SC SC IS IS NM NM SC Tstms IS IS IS IS IS IS Heat index 80 95101103 95 87 82 94101103 94 87 82 94101103 95 87 Max heat 101 111 109 94 99 111 110 94 99 111 110 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 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 90 77 90 77 90 77 91 Temp 78 85 90 81 78 85 90 81 77 85 90 81 78 85 91 81 Dewpt 75 76 77 76 75 76 77 76 75 77 77 76 75 77 76 76 PWind dir SE E SE E SE E SE SE Wind char LT GN LT GN LT GN LT GN Avg clouds B1 SC SC SC FW FW SC SC SC SC B1 B1 SC SC B1 B1 PoP 12hr 50 40 10 30 30 50 20 50 Rain shwrs SC IS SC SC IS IS IS IS IS SC SC SC IS IS SC SC Tstms IS IS IS IS $$ PRZ002-192000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 88 92 67 77 83 75 88 92 67 77 83 75 88 92 Temp 78 84 87 88 83 80 79 78 77 83 87 88 83 80 79 78 77 83 87 88 83 81 Dewpt 74 75 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 74 75 74 RH 88 74 65 63 74 82 85 88 90 74 65 63 74 82 85 88 90 74 65 63 77 79 Wind dir E E E E E E E E SE SE E SE SE SE E E SE SE SE SE SE SE Wind spd 5 5 8 10 8 6 6 4 4 6 10 9 8 6 5 5 6 8 11 10 9 8 Wind gust 20 18 19 20 Clouds B1 SC SC SC SC SC B1 B1 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B2 PoP 12hr 20 60 60 60 50 QPF 12hr 0.06-0.46 0.22-0.32 0.22-0.43 0.14-0.30 0.20-0.42 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC SC NM NM NM SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS Heat index 80 91 96 96 90 85 82 80 90 95 96 90 85 82 80 90 96 96 91 85 Max heat 97 105 104 92 96 103 104 92 97 105 103 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 88 77 88 77 88 78 88 Temp 78 83 88 81 78 83 88 80 78 83 88 81 78 84 88 81 Dewpt 74 74 74 74 74 74 74 74 74 75 74 74 74 75 74 74 PWind dir SE E E E E E SE SE Wind char LT GN LT GN LT GN GN GN Avg clouds B1 SC SC B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 30 30 40 40 40 40 40 Rain shwrs SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC $$ PRZ003-192000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 87 92 69 77 83 77 87 92 69 77 83 77 87 92 Temp 77 83 86 87 83 80 78 77 77 83 86 87 83 80 78 77 77 83 86 87 83 80 Dewpt 74 75 75 75 76 75 75 74 73 75 75 75 76 75 74 74 73 75 76 76 76 75 RH 90 77 70 68 80 85 91 90 87 77 70 68 80 85 88 90 87 77 72 70 80 85 Wind dir E E E E E E E E E E SE SE SE E E E E E SE SE SE E Wind spd 4 6 9 11 9 5 5 5 5 6 10 10 8 4 4 5 6 9 10 9 8 6 Wind gust 21 24 19 20 21 23 20 Clouds B2 SC SC FW SC SC SC B1 B1 B1 B2 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 20 50 60 50 50 QPF 12hr 0.04-0.25 0.08-0.25 0.15-0.27 0.05-0.15 0.16-0.46 Snow 12hr MM MM MM Rain shwrs NM IS IS IS IS IS IS SC SC SC NM SC SC IS IS IS IS SC SC SC SC SC Heat index 90 96 97 91 84 81 90 96 97 90 84 81 90 96 97 91 84 Max heat 100 109 108 92 98 108 107 92 100 109 108 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 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 76 88 76 87 77 88 Temp 78 83 88 80 77 83 88 80 77 83 87 80 78 83 88 80 Dewpt 74 75 76 75 74 75 75 75 74 76 75 75 75 76 75 75 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds B1 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 50 30 30 40 40 40 40 40 Rain shwrs SC IS IS IS SC SC IS IS SC SC SC SC SC SC SC SC $$ PRZ004-192000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 87 92 69 74 77 77 86 92 69 74 77 77 86 92 Temp 74 81 86 87 81 78 76 75 74 81 85 86 81 78 76 75 74 81 85 86 81 78 Dewpt 72 74 74 74 74 73 73 73 72 74 74 73 74 73 73 72 72 74 74 74 74 73 RH 93 79 68 65 79 85 90 94 93 79 70 65 79 85 90 90 93 79 70 68 79 85 Wind dir E E E E E E E E SE E SE SE SE SE E E E SE SE SE SE SE Wind spd 2 4 8 10 8 4 3 2 2 4 9 9 8 3 3 3 4 6 10 10 8 4 Clouds B1 FW FW SC B1 SC SC SC B1 B1 B1 B2 B2 B1 B1 SC SC B1 B1 B2 B2 B1 PoP 12hr 30 50 50 40 60 QPF 12hr 0.09-0.55 0.07-0.27 0.18-0.50 0.08-0.26 0.31-0.82 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC IS IS IS SC SC SC SC SC SC SC IS IS SC SC NM NM SC Tstms IS IS IS IS IS Heat index 87 93 94 86 86 93 94 86 86 93 94 86 Max heat 98 106 105 87 97 106 105 87 98 107 105 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 87 74 87 73 86 74 87 Temp 75 81 87 78 75 81 87 77 74 81 86 78 75 81 87 78 Dewpt 73 74 74 73 73 74 74 73 73 74 74 73 73 75 73 73 PWind dir SE E E E E SE SE SE Wind char LT GN LT GN LT LT LT GN Avg clouds B1 SC SC SC SC SC SC SC SC B1 B1 B1 SC SC B1 B1 PoP 12hr 50 30 20 30 30 40 30 40 Rain shwrs SC IS IS SC IS IS IS IS SC SC SC SC SC SC SC SC Tstms IS IS $$ PRZ005-192000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 92 72 75 83 85 90 92 72 75 83 85 90 92 Temp 76 84 89 90 83 79 77 76 75 84 88 90 83 79 77 76 75 84 89 90 84 80 Dewpt 74 76 77 78 77 76 76 75 73 77 77 77 77 76 76 75 73 77 77 78 77 76 RH 94 77 68 68 82 91 97 97 94 80 70 66 82 91 97 97 94 80 68 68 80 88 Wind dir SE E E NE E E SE SE SE SE E NE E SE SE SE SE SE E E E SE Wind spd 4 5 8 11 9 8 5 4 4 5 8 12 9 5 4 4 4 5 10 12 8 6 Wind gust 23 20 25 19 24 19 Clouds SC SC FW SC B2 B1 SC FW SC SC SC OV OV B1 B1 SC SC FW FW B2 B2 B1 PoP 12hr 60 40 70 50 70 QPF 12hr 0.29-1.00 0.05-0.11 0.40-1.21 0.10 0.35-1.18 Snow 12hr MM MM MM Rain shwrs IS IS IS NM SC IS IS IS IS D D SC SC IS IS IS IS NM NM SC Tstms IS IS IS IS IS IS IS IS Heat index 93102104 93 83 93101103 93 83 93102104 94 84 Max heat 100 111 109 94 99 111 109 94 99 111 109 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 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 90 75 90 Temp 76 84 90 80 76 83 90 79 76 84 90 80 76 84 90 80 Dewpt 75 77 78 76 75 77 78 76 75 77 77 76 74 77 77 76 PWind dir SE E SE E SE E SE E Wind char LT GN LT GN LT GN LT GN Avg clouds SC FW SC SC CL FW FW SC FW FW SC B1 FW FW SC B1 PoP 12hr 30 20 0 20 10 50 5 70 Rain shwrs SC IS IS SC IS IS IS IS IS SC IS IS IS NM Tstms IS IS IS IS $$ PRZ006-192000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 84 91 63 72 76 75 84 91 63 72 76 75 84 91 Temp 73 79 83 84 79 76 74 73 72 79 83 84 79 76 74 73 72 79 83 84 79 76 Dewpt 71 73 73 74 74 72 72 72 71 73 73 73 73 72 72 72 71 73 74 73 73 72 RH 93 82 72 72 85 87 93 97 97 82 72 70 82 87 93 97 97 82 74 70 82 87 Wind dir E E E E E E E E SE E SE SE SE SE E E E E SE SE SE SE Wind spd 2 3 6 5 4 3 3 2 2 4 6 6 5 3 2 3 3 5 8 8 5 4 Wind gust 20 23 20 20 21 Clouds SC FW FW SC OV B1 FW SC FW SC B1 OV OV B1 B1 SC SC SC SC OV OV SC PoP 12hr 70 40 70 50 70 QPF 12hr 0.22-1.09 0.08 0.18-1.11 0.05-0.12 0.26-1.10 Snow 12hr MM MM MM Rain shwrs IS SC NM SC IS IS IS SC D D SC SC IS IS IS IS D D IS Tstms IS IS IS IS IS IS IS IS Heat index 83 89 91 82 82 89 90 82 82 89 90 82 Max heat 97 109 108 85 97 108 108 84 96 108 106 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 84 72 84 72 84 72 84 Temp 73 79 84 76 73 79 84 76 73 79 84 76 73 79 84 76 Dewpt 72 73 73 72 71 73 73 72 72 73 73 72 72 73 72 72 PWind dir SE E E E E SE SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC FW FW SC SC FW FW SC B1 SC SC SC SC PoP 12hr 20 20 5 40 10 40 10 50 Rain shwrs IS IS IS IS IS IS IS SC IS IS IS SC IS IS IS IS Tstms IS IS IS $$ PRZ007-192000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 87 92 63 75 83 75 87 92 63 75 83 75 87 92 Temp 76 83 86 87 82 79 77 76 75 82 86 87 82 79 77 76 75 82 86 87 82 79 Dewpt 71 72 74 75 75 74 73 72 71 73 74 74 74 73 73 72 71 73 75 75 74 73 RH 85 70 68 68 79 85 87 87 87 74 68 65 77 82 87 87 87 74 70 68 77 82 Wind dir NE E SE SE E E NE NE E E SE SE SE E E E E E SE SE SE E Wind spd 3 4 9 9 5 4 3 3 4 6 10 9 6 4 4 4 4 8 11 9 6 4 Wind gust 21 23 23 23 24 21 Clouds SC FW FW B1 B2 B1 SC SC SC SC SC B1 B1 SC SC FW FW SC SC B1 B1 SC PoP 12hr 50 40 50 20 30 QPF 12hr 0.14-1.01 0.08-0.16 0.13-0.67 0.04 0.12-0.97 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC IS IS IS IS SC SC SC IS IS IS IS SC SC IS Tstms IS IS IS IS IS IS IS Heat index 88 95 96 89 82 87 94 95 88 82 87 95 95 88 82 Max heat 96 108 106 92 95 106 105 92 95 106 105 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 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 88 75 87 75 88 Temp 76 82 87 79 76 82 88 79 76 82 87 79 76 82 88 79 Dewpt 72 73 75 74 71 72 75 74 72 73 74 74 72 73 74 74 PWind dir E E E E E E E SE Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC FW SC FW SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 10 10 20 10 30 20 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS $$ PRZ008-192000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 88 92 70 74 83 85 88 92 70 74 83 85 88 92 Temp 75 82 87 88 82 78 76 75 74 82 87 88 82 78 76 75 74 82 87 88 82 78 Dewpt 73 75 76 77 76 76 75 74 72 75 76 76 76 76 75 73 72 75 76 76 76 76 RH 94 79 70 70 82 94 97 97 93 79 70 68 82 94 97 94 93 79 70 68 82 94 Wind dir SE E NE NE E E E SE SE E E NE NE E SE SE SE SE E NE NE SE Wind spd 5 5 5 8 5 6 8 4 5 6 5 9 6 4 5 3 4 5 6 6 8 4 Wind gust 17 Clouds SC FW FW SC B2 B1 SC FW FW FW FW OV OV B2 B2 SC SC FW FW OV OV B1 PoP 12hr 60 40 80 50 80 QPF 12hr 0.27-1.05 0.05-0.13 0.93-1.23 0.09-0.15 0.70-1.23 Snow 12hr MM MM MM Rain shwrs IS IS IS NM SC IS IS D D SC SC IS IS D D SC Tstms IS IS IS IS IS IS IS IS Heat index 89 97100 89 88 96 98 89 88 97 99 89 80 Max heat 95 111 106 93 95 109 105 93 95 107 106 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 88 74 88 74 88 74 88 Temp 75 82 88 78 75 82 88 78 75 82 88 78 75 82 88 78 Dewpt 73 75 76 76 73 75 76 76 73 75 76 76 73 75 76 76 PWind dir SE E E E E E SE E Wind char LT GN GN GN LT GN LT LT Avg clouds SC FW FW SC CL CL FW SC FW FW SC B2 SC FW SC B2 PoP 12hr 40 40 0 20 5 70 10 70 Rain shwrs SC SC SC IS IS IS IS NM NM IS IS NM NM Tstms IS IS IS IS $$ PRZ009-192000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 85 92 66 72 77 75 85 92 66 72 77 75 84 92 Temp 73 80 84 85 79 76 74 73 72 79 83 85 79 76 74 73 72 79 83 84 79 76 Dewpt 70 72 73 75 73 72 73 71 70 73 74 74 72 72 72 71 70 72 74 74 73 72 RH 90 77 70 72 82 87 97 93 93 82 74 70 79 87 93 93 93 79 74 72 82 87 Wind dir E E E E E E E SE SE SE SE E E SE SE SE E SE SE SE E E Wind spd 3 3 3 3 2 3 3 3 3 4 4 4 2 3 3 3 3 4 5 3 4 3 Wind gust 19 23 21 24 20 Clouds FW FW FW B2 OV B2 SC FW FW FW FW OV OV B1 B1 FW FW FW FW OV OV B1 PoP 12hr 90 50 90 50 90 QPF 12hr 0.40-1.17 0.09-0.18 0.23-1.23 0.03-0.13 0.37-1.29 Snow 12hr MM MM MM Rain shwrs IS NM D SC IS IS IS D D SC SC IS IS D D SC Tstms IS IS IS IS IS IS IS IS IS IS Heat index 83 90 93 83 82 90 92 82 82 90 92 82 Max heat 94 111 108 87 94 110 108 86 94 109 108 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 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 85 72 85 72 84 72 85 Temp 73 79 85 76 73 79 85 76 72 79 84 76 73 79 85 76 Dewpt 71 72 75 72 71 72 74 72 71 72 74 72 71 72 73 72 PWind dir SE E E E E E SE SE Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC SC CL FW SC B1 FW FW SC B1 FW FW SC B1 PoP 12hr 40 50 0 50 5 70 5 70 Rain shwrs SC SC SC SC SC IS IS NM NM IS IS NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ010-192000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 90 92 68 75 83 76 90 92 68 75 83 76 90 92 Temp 76 84 89 90 83 79 77 76 75 83 88 90 83 79 77 76 75 84 88 90 84 80 Dewpt 73 75 76 77 77 76 76 74 72 75 76 77 76 75 75 74 72 75 77 77 77 76 RH 90 74 66 66 82 91 97 94 90 77 68 66 80 88 94 94 90 74 70 66 80 88 Wind dir E E E S E E E E E E SE SW NE E E E E E SE E E E Wind spd 4 4 4 5 3 5 5 5 5 6 4 5 4 4 5 5 6 6 5 5 8 6 Wind gust 16 17 21 18 16 16 16 18 21 18 19 18 19 Clouds FW FW FW B2 B2 B2 B1 FW FW FW FW OV OV B1 B1 FW FW FW FW OV OV B1 PoP 12hr 70 60 80 50 80 QPF 12hr 0.09-1.10 0.09-0.20 0.06-1.22 0.01-0.16 0.02-1.29 Snow 12hr MM MM MM Rain shwrs IS NM NM NM SC IS D D SC SC IS IS D D SC Tstms IS IS IS IS IS IS IS IS IS IS IS Heat index 92101103 93 83 92101102 92 83 92101103 93 84 Max heat 100 111 108 93 100 111 108 93 99 111 109 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 90 75 90 75 90 75 90 Temp 76 84 90 79 76 83 90 79 76 83 90 79 76 84 90 80 Dewpt 74 75 77 76 74 75 77 76 74 75 77 76 74 75 77 76 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 FW FW SC FW FW FW B1 SC FW SC B1 SC SC SC B1 PoP 12hr 50 50 0 50 10 70 20 60 Rain shwrs SC SC SC IS IS SC SC IS IS NM NM IS IS NM NM Tstms IS IS IS IS IS IS IS IS IS $$ PRZ011-192000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 91 92 73 76 83 85 91 92 73 76 83 85 91 92 Temp 77 85 90 91 85 80 78 77 76 85 90 91 85 81 79 77 77 85 90 91 85 81 Dewpt 73 74 77 78 77 76 76 74 73 75 77 77 77 76 75 74 73 75 78 78 77 76 RH 87 70 66 66 77 88 94 90 90 72 66 64 77 85 88 90 87 72 68 66 77 85 Wind dir E E SE SE E E E E E E SE SE SE E E E E E SE SE SE E Wind spd 5 8 11 11 6 6 6 8 8 10 13 13 10 9 9 8 8 11 14 13 11 9 Wind gust 23 24 19 23 26 26 21 19 20 23 28 28 23 20 Clouds FW FW FW SC B1 B1 B1 FW SC SC FW B1 B1 SC SC FW FW SC SC B1 B1 SC PoP 12hr 50 50 40 20 40 QPF 12hr 0.15-0.74 0.09-0.20 0.10-0.57 0.02-0.09 0.12-0.98 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC IS IS IS IS SC SC IS IS IS IS SC SC IS Tstms IS IS IS IS IS IS IS IS Heat index 93103105 95 86 80 93103105 95 87 80 93104105 95 87 Max heat 96 110 108 93 96 109 108 92 96 111 109 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 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 91 76 91 76 91 76 91 Temp 77 85 91 80 77 85 91 80 76 84 91 81 77 85 91 81 Dewpt 74 75 78 77 74 74 78 77 74 75 77 76 74 75 77 76 PWind dir E E E E E SE E SE Wind char GN GN GN GN LT GN LT GN Avg clouds SC FW FW SC FW FW FW SC SC FW SC SC SC SC SC SC PoP 12hr 20 10 5 20 10 20 10 20 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS $$ PRZ012-192000- Culebra- Including the city of Culebra 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 88 92 81 85 88 92 81 85 88 92 Temp 81 85 87 88 85 83 82 82 81 85 87 88 85 83 82 82 81 85 87 88 85 83 Dewpt 75 76 76 75 75 75 76 75 75 76 75 75 75 75 76 75 75 76 76 75 76 75 RH 82 75 70 66 72 77 82 79 82 75 68 66 72 77 82 79 82 75 70 66 75 77 Wind dir E E E E E E E E E E E SE E E E E E E SE SE SE E Wind spd 11 10 9 9 9 11 11 10 9 10 10 10 10 12 12 11 11 12 12 12 11 13 Clouds SC SC SC SC SC SC B1 SC B2 B1 B1 B1 B1 B2 B2 SC SC SC SC B1 B1 B1 PoP 12hr 20 50 50 50 40 QPF 12hr 0.07 0.21 0.18 0.16 0.18 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC Heat index 87 94 97 98 94 91 90 88 87 94 97 98 94 91 90 88 88 95 97 98 94 91 Max heat 99 103 104 95 100 105 104 94 99 105 104 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 88 81 88 81 88 82 88 Temp 82 85 88 83 81 85 88 83 81 85 88 84 82 85 88 84 Dewpt 75 76 75 75 75 76 76 76 76 76 76 76 76 77 76 76 PWind dir E E E E E SE E E Wind char GN GN GN BZ GN GN GN BZ Avg clouds B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 40 30 30 40 40 40 40 40 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC $$ PRZ013-192000- Vieques- Including the city of Vieques 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 92 77 80 83 85 89 92 80 85 89 92 Temp 80 85 88 89 85 83 82 81 80 85 88 89 85 83 82 81 80 85 88 89 85 83 Dewpt 74 75 74 74 74 73 74 74 74 75 74 73 74 73 74 74 74 75 74 74 74 74 RH 82 72 63 61 70 72 77 79 82 72 63 59 70 72 77 79 82 72 63 61 70 74 Wind dir E E E E E E E E E E SE SE SE E E E E E SE SE SE E Wind spd 10 9 9 9 9 11 11 10 8 10 10 9 9 9 10 11 11 11 12 10 11 13 Clouds B1 SC SC SC SC SC B2 B1 B2 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 20 50 40 40 50 QPF 12hr 0.07 0.24-0.29 0.18 0.13 0.17-0.26 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC Heat index 85 94 97 97 93 89 87 85 85 93 97 97 93 89 87 85 85 94 97 97 93 89 Max heat 97 102 101 92 96 102 101 92 97 103 101 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 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 89 80 89 80 89 81 89 Temp 81 85 89 83 81 85 89 83 80 85 89 83 81 85 89 83 Dewpt 74 75 74 74 74 75 74 74 75 76 74 74 75 76 74 74 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds B1 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 30 30 40 40 40 40 40 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC $$ VIZ001-192000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 87 92 73 80 83 85 87 92 73 81 83 85 87 92 Temp 80 84 86 87 84 82 81 80 80 84 86 87 84 82 81 81 81 84 86 87 84 83 Dewpt 75 75 74 74 74 74 75 75 74 75 74 74 74 74 75 75 75 75 74 74 74 74 RH 85 74 68 65 72 77 82 85 82 74 68 65 72 77 82 82 82 74 68 65 72 74 Wind dir E E E E E E E E E E SE SE E E E E E E SE SE SE E Wind spd 11 10 10 9 10 11 10 10 9 10 11 10 11 12 12 11 12 12 14 12 11 12 Clouds B1 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 SC PoP 12hr 20 40 40 40 40 QPF 12hr 0.04 0.11 0.16 0.09 0.07-0.14 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC SC SC SC SC SC SC SC SC IS IS IS IS SC SC IS Heat index 85 92 95 95 91 89 87 86 85 92 94 95 91 89 87 86 86 92 95 95 91 89 Max heat 98 103 102 93 98 103 102 93 99 104 102 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 87 80 87 80 87 81 87 Temp 81 84 87 82 80 84 87 82 80 84 87 83 81 84 87 83 Dewpt 75 75 74 75 75 75 74 75 76 76 75 75 76 76 75 76 PWind dir E E E E E E E E Wind char GN GN BZ BZ GN GN BZ BZ Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 20 30 30 30 40 40 40 40 Rain shwrs IS IS IS SC SC SC IS SC SC SC SC SC SC SC SC IS $$ VIZ002-192000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 AM AST Sat Sep 19 2026 Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 88 92 77 80 83 85 88 92 77 80 83 85 88 92 Temp 80 85 87 88 85 83 81 80 80 85 87 88 85 83 81 80 80 85 87 88 85 83 Dewpt 75 76 76 75 75 75 75 75 75 76 75 75 75 75 75 75 75 76 76 75 75 75 RH 85 75 70 66 72 77 82 85 85 75 68 66 72 77 82 85 85 75 70 66 72 77 Wind dir E E E E E E E E E E SE SE E E E E E E SE SE SE E Wind spd 9 9 9 10 10 8 9 8 6 9 10 10 11 10 10 10 11 11 14 12 12 10 Clouds B2 SC SC SC SC SC B1 B1 B2 B1 B1 B2 B2 SC SC SC SC SC SC SC SC SC PoP 12hr 30 50 50 20 20 QPF 12hr 0.05 0.20 0.20 0.04 0.06-0.11 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS SC SC SC SC SC SC SC SC IS IS IS IS IS IS SC SC IS Heat index 85 94 97 98 93 90 88 86 85 94 97 98 93 90 88 86 85 94 98 98 94 90 Max heat 99 106 104 92 99 106 105 92 99 106 105 Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26 Fri 09/25/26 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 88 80 88 80 88 81 88 Temp 81 85 88 83 80 85 88 83 80 85 88 83 81 85 88 83 Dewpt 75 76 75 76 76 76 76 76 76 76 76 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 B1 SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC PoP 12hr 40 30 30 30 40 40 40 30 Rain shwrs SC SC IS SC SC SC IS SC SC SC SC SC SC SC SC IS $$