Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
674 FOCA52 TJSJ 040631 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 AM AST Sun Oct 4 2026 PRZ001-042000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 84 90 93 72 76 83 84 91 94 72 77 83 84 90 93 Temp 78 84 89 90 83 80 78 77 76 84 90 91 84 81 79 78 77 84 89 90 84 81 Dewpt 74 76 76 76 76 75 75 75 74 77 77 77 77 76 76 75 75 77 77 76 76 75 RH 88 77 66 64 80 85 91 94 94 80 66 64 80 85 91 91 94 80 68 64 77 82 Wind dir SE SE E E E E SE SE SE SE E E E SE SE SE SE E E E E E Wind spd 3 3 10 12 11 6 6 4 3 4 10 13 10 6 5 4 4 4 9 12 10 6 Wind gust 23 20 Clouds B1 B1 SC B1 B2 B2 B2 B1 SC SC B1 B1 SC FW FW FW FW FW FW B1 B1 SC PoP 12hr 60 60 30 5 30 QPF 12hr 0.28-0.39 0.19-0.36 0.11-0.49 0.00-0.09 0.11-0.22 Snow 12hr MM MM MM Rain shwrs SC SC IS SC NM NM SC SC IS IS SC SC IS IS IS IS IS IS IS SC SC SC Tstms IS IS IS IS Heat index 93100101 91 85 81 94103104 94 87 82 94102103 93 88 Max heat 99 112 109 95 100 115 113 96 100 114 113 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 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 87 76 90 77 90 76 90 Temp 78 83 87 80 77 84 90 81 78 84 90 80 77 84 90 81 Dewpt 75 76 77 76 75 77 77 75 75 76 76 75 75 76 76 75 PWind dir E E SE E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 50 40 50 30 30 10 20 Rain shwrs IS IS SC SC SC SC SC SC SC SC IS IS IS IS IS IS Tstms IS IS IS IS IS $$ PRZ002-042000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 88 93 65 75 83 75 88 93 66 75 83 74 88 93 Temp 76 83 87 88 82 79 78 76 75 83 87 88 82 79 78 76 75 83 87 88 82 79 Dewpt 73 74 73 73 73 73 74 73 74 75 74 74 74 74 75 74 74 75 74 74 74 74 RH 90 74 63 61 74 82 88 90 97 77 65 63 77 85 91 94 97 77 65 63 77 85 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 5 4 10 10 9 8 9 6 4 5 9 10 9 6 8 6 5 6 8 10 8 6 Wind gust 20 20 20 18 Clouds B2 B1 SC B1 B2 B2 B2 B2 SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 60 60 40 30 40 QPF 12hr 0.25-0.40 0.31-0.37 0.15 0.06-0.16 0.18-0.26 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC NM NM SC SC SC SC IS IS IS IS IS IS SC SC SC SC SC Tstms IS IS IS IS Heat index 89 95 96 87 82 90 97 98 88 83 90 96 97 88 83 Max heat 96 105 103 94 96 106 105 94 96 106 103 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 75 88 76 88 75 88 Temp 76 82 87 79 76 82 88 79 77 83 88 79 76 82 88 79 Dewpt 73 75 74 74 74 75 74 74 74 75 74 74 74 75 74 73 PWind dir E E E E E E E E Wind char LT GN GN GN GN GN LT GN Avg clouds SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC PoP 12hr 30 60 60 60 40 30 30 30 Rain shwrs SC SC SC SC NM NM NM SC SC SC IS SC SC SC SC IS Tstms IS IS IS IS IS IS $$ PRZ003-042000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 88 93 66 75 83 79 88 93 67 75 83 79 89 94 Temp 75 82 87 88 81 79 77 76 75 82 87 88 82 79 77 76 75 83 88 89 82 79 Dewpt 72 74 74 74 75 74 74 74 73 75 75 75 76 75 75 74 74 75 75 74 75 74 RH 90 77 65 63 82 85 90 94 94 79 68 66 82 88 94 94 97 77 66 61 79 85 Wind dir NE E E E E NE E E E E E E E E E E NE E E E E NE Wind spd 4 5 10 10 10 6 6 5 4 5 11 11 9 6 6 5 5 6 10 10 8 6 Wind gust 21 24 20 23 24 19 20 24 Clouds B1 SC CL SC SC B2 B2 B1 SC SC SC SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 60 60 30 5 30 QPF 12hr 0.05-0.26 0.08-0.33 0.09-0.29 0.01-0.10 0.06-0.23 Snow 12hr MM MM MM Rain shwrs SC IS IS IS NM SC SC IS IS SC SC IS IS IS IS IS IS IS SC SC SC Tstms IS IS Heat index 89 96 97 88 82 89 98 99 89 83 90 98 98 89 83 Max heat 97 106 106 94 98 109 109 94 100 110 107 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 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 88 74 88 Temp 76 82 87 78 76 82 88 79 76 82 88 79 75 82 88 79 Dewpt 74 75 75 75 74 75 75 74 74 75 75 74 74 75 75 74 PWind dir NE E E E E E NE E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC B1 B1 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 50 50 50 40 20 10 10 Rain shwrs IS IS SC SC SC SC SC SC SC SC IS IS IS IS IS IS Tstms IS IS IS IS IS IS $$ PRZ004-042000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 87 92 66 72 76 78 87 92 67 72 76 78 87 92 Temp 73 81 86 87 80 76 74 73 72 81 86 87 80 77 75 73 72 81 86 87 80 77 Dewpt 71 73 73 72 73 72 72 72 72 74 74 73 74 73 73 73 72 74 73 72 73 73 RH 93 77 65 61 79 87 93 97100 79 68 63 82 87 94100100 79 65 61 79 87 Wind dir E E E SE E E E SE E E E E E E E E E E E E E E Wind spd 2 3 8 10 9 4 4 3 3 3 9 10 8 4 4 4 3 4 9 9 6 3 Clouds B1 B1 FW B1 B1 B2 B1 B1 SC SC SC B1 SC FW FW FW FW FW FW B1 B1 SC PoP 12hr 60 60 40 5 30 QPF 12hr 0.10-0.39 0.15-0.35 0.12-0.62 0.00-0.09 0.12-0.32 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC NM SC SC IS IS SC SC IS IS IS IS IS IS IS SC SC SC Tstms IS IS IS Heat index 85 93 94 83 85 94 95 84 86 94 95 84 Max heat 95 105 102 85 96 107 105 86 97 106 103 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 86 72 86 72 87 72 87 Temp 73 80 86 76 73 80 86 77 73 80 87 76 73 80 87 76 Dewpt 72 74 73 73 73 74 73 73 73 74 73 72 72 74 73 72 PWind dir E E SE SE E E E E Wind char LT LT LT GN LT GN LT LT Avg clouds SC SC B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 50 50 50 40 30 10 10 Rain shwrs SC IS SC SC SC SC SC SC SC SC IS IS IS IS IS IS Tstms IS IS IS IS IS IS $$ PRZ005-042000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 84 89 93 71 74 83 85 90 94 71 74 83 85 90 94 Temp 75 83 88 89 82 78 76 74 74 83 89 90 82 79 77 75 74 83 89 90 83 80 Dewpt 73 76 76 76 75 75 74 73 73 76 77 77 77 76 75 74 73 76 77 77 76 75 RH 94 80 68 66 79 91 94 97 97 80 68 66 85 91 94 97 97 80 68 66 80 85 Wind dir SE SE E E E SE SE SE SE E E NE E SE SE SE SE E E NE E E Wind spd 3 3 9 11 10 9 5 4 3 4 8 10 9 6 4 4 4 4 6 10 9 8 Wind gust 23 21 23 23 20 Clouds B1 SC FW B1 B2 B2 SC B1 SC FW SC B2 B1 FW FW CL CL CL CL B1 B1 FW PoP 12hr 50 50 60 0 50 QPF 12hr 0.20-1.03 0.18-0.63 0.14-1.08 0 0.10-1.03 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC IS SC IS IS NM SC SC SC IS Tstms IS IS IS IS IS IS IS Heat index 91100101 88 91102104 91 81 92102103 91 83 Max heat 100 112 109 94 100 114 111 95 100 114 113 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 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 74 89 74 90 74 90 Temp 76 82 87 78 75 83 89 79 75 83 90 79 75 83 90 79 Dewpt 74 76 77 75 74 76 77 75 74 76 76 75 74 76 76 75 PWind dir E E SE E SE E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW SC SC B1 SC SC B1 B1 SC SC SC SC FW FW SC SC PoP 12hr 20 50 20 50 20 40 5 40 Rain shwrs IS IS IS SC IS IS IS SC IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS $$ PRZ006-042000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 84 91 61 70 75 72 85 92 62 71 76 72 85 92 Temp 71 78 83 84 77 75 73 71 70 78 84 85 78 75 73 72 71 79 84 85 78 75 Dewpt 69 72 72 71 72 71 71 71 70 72 73 72 73 72 72 71 70 73 73 72 72 71 RH 93 82 70 65 85 87 93100100 82 70 65 85 90 97 97 97 82 70 65 82 87 Wind dir E E E E E E E E E E E SE SE E E E E E E E E E Wind spd 2 3 6 6 5 4 3 2 2 3 6 6 4 3 2 3 3 3 6 5 3 3 Wind gust 21 23 17 21 23 16 19 21 Clouds SC FW FW B1 B2 B2 SC SC SC FW SC B2 B1 CL CL CL CL CL CL B2 B2 SC PoP 12hr 50 50 60 0 50 QPF 12hr 0.07-0.88 0.08-0.40 0.14-1.06 0 0.11-1.06 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC IS IS IS SC NM SC NM NM IS Tstms IS IS IS IS IS IS IS Heat index 81 88 89 81 90 91 81 81 89 91 81 Max heat 95 108 105 98 109 106 87 98 108 106 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 84 71 83 71 84 70 84 Temp 72 78 84 75 72 78 83 75 72 78 84 74 71 78 84 75 Dewpt 71 72 72 72 72 73 73 71 72 72 72 71 71 72 72 71 PWind dir E E E SE E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 SC SC B1 B1 SC SC SC SC SC FW FW SC PoP 12hr 20 50 30 40 30 40 5 40 Rain shwrs IS IS IS SC SC SC SC SC SC IS IS IS IS IS SC SC Tstms IS IS IS $$ PRZ007-042000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 72 87 94 61 74 83 72 88 95 61 74 83 72 88 95 Temp 74 82 86 87 81 78 76 75 74 82 87 88 81 78 76 75 74 82 87 88 82 78 Dewpt 70 71 73 73 74 73 72 71 71 72 74 74 75 74 73 72 71 72 74 74 74 73 RH 87 69 65 63 79 85 87 87 90 72 65 63 82 88 90 90 90 72 65 63 77 85 Wind dir NE E SE SE E E E NE NE E SE SE SE E E NE NE E E SE E E Wind spd 2 3 9 9 6 5 4 3 4 4 9 10 6 5 4 4 4 4 9 8 5 3 Wind gust 23 23 18 14 21 24 17 20 23 Clouds FW FW CL B1 B1 B1 SC SC SC FW SC SC B1 FW FW CL CL CL CL B1 B1 FW PoP 12hr 50 40 40 0 30 QPF 12hr 0.05-0.97 0.06-0.52 0.06-1.00 0 0.06-0.96 Snow 12hr MM MM MM Rain shwrs IS SC SC SC IS IS IS IS SC SC SC SC Tstms IS IS IS IS IS IS Heat index 86 94 95 86 80 87 96 97 87 81 87 96 97 87 81 Max heat 94 107 105 94 96 109 107 95 96 109 106 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 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 86 74 87 74 88 73 88 Temp 75 81 86 78 75 81 87 78 75 82 88 78 74 82 88 78 Dewpt 71 72 74 74 72 73 74 73 72 72 74 73 71 72 74 73 PWind dir NE E E E E E NE E Wind char LT LT LT GN LT GN LT GN Avg clouds FW FW SC B1 SC SC B1 SC SC SC SC SC FW FW FW SC PoP 12hr 20 40 30 40 10 30 5 40 Rain shwrs IS IS SC SC SC SC SC IS IS IS SC IS IS SC SC Tstms IS IS $$ PRZ008-042000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 87 94 68 72 83 86 88 94 68 73 83 86 88 95 Temp 73 81 86 87 80 77 75 73 72 81 87 88 81 77 75 74 73 81 87 88 81 77 Dewpt 71 74 75 76 74 74 73 72 71 74 76 76 75 75 74 73 72 74 76 77 75 75 RH 93 79 70 70 82 90 94 97 97 79 70 68 82 94 97 97 97 79 70 70 82 94 Wind dir SE E E NE E E SE SE SE E E NE E E SE SE E E E NE NE E Wind spd 4 5 8 8 6 9 5 3 4 4 5 6 5 5 4 3 5 4 4 6 6 8 Clouds SC SC CL B2 B2 OV SC SC SC FW FW B2 B2 FW FW CL CL CL CL B2 B2 SC PoP 12hr 80 80 60 5 60 QPF 12hr 0.58-1.12 0.45-0.81 0.42-1.13 0.02 0.55-1.06 Snow 12hr MM MM MM Rain shwrs IS IS SC NM D IS IS IS IS NM NM IS IS NM NM IS Tstms IS IS IS IS IS IS IS Heat index 86 96 97 83 86 98 99 85 87 98100 86 Max heat 95 110 106 94 94 112 107 95 96 112 109 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 86 73 87 72 88 72 88 Temp 74 80 86 77 73 81 87 77 73 81 88 77 73 81 88 77 Dewpt 73 74 76 75 73 74 77 75 73 74 76 75 73 74 76 74 PWind dir E E E E E E E E Wind char LT GN LT LT LT GN GN GN Avg clouds FW FW SC B2 SC SC B1 B2 SC FW SC SC CL CL SC SC PoP 12hr 10 70 20 70 10 50 0 50 Rain shwrs IS IS NM NM IS IS NM NM IS IS SC SC SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ009-042000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 72 85 96 64 70 75 73 85 96 65 71 75 73 86 96 Temp 71 79 83 85 78 75 73 72 70 79 84 85 78 75 73 72 71 79 84 86 78 75 Dewpt 69 71 72 72 71 71 71 70 69 72 73 73 72 72 72 71 69 71 73 73 72 72 RH 93 77 70 65 79 87 93 93 97 79 70 67 82 90 97 97 93 77 70 65 82 90 Wind dir E E E E E E E SE SE E E E E SE E E E E E E E E Wind spd 2 3 3 3 3 4 3 3 3 3 4 3 2 3 3 3 3 3 3 3 3 3 Wind gust 17 16 18 20 14 18 17 Clouds FW FW CL B2 OV OV SC SC SC CL FW B2 B2 FW FW CL CL CL CL OV OV FW PoP 12hr 80 80 70 0 70 QPF 12hr 0.44-1.18 0.22-0.80 0.21-1.16 0 0.28-1.11 Snow 12hr MM MM MM Rain shwrs NM D D IS IS IS IS NM NM IS IS NM NM IS Tstms IS IS IS IS IS IS IS Heat index 81 89 91 81 91 92 80 81 91 93 81 Max heat 94 111 109 86 95 113 110 87 95 111 109 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 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 71 84 71 84 70 85 70 85 Temp 72 78 84 75 72 78 84 74 71 79 85 75 71 78 85 75 Dewpt 70 71 73 72 71 72 74 72 71 71 73 72 70 71 73 72 PWind dir E E E SE E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B2 SC SC B1 B1 SC FW SC B1 FW FW SC B1 PoP 12hr 10 70 20 70 10 60 0 60 Rain shwrs IS IS NM NM IS IS IS IS IS IS NM NM NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ010-042000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 90 96 67 73 83 77 91 96 66 73 83 77 91 96 Temp 74 83 89 90 82 78 76 74 73 83 89 91 82 78 76 74 73 83 89 91 83 79 Dewpt 71 74 76 76 75 74 74 73 71 74 76 76 76 75 75 73 72 74 76 77 76 75 RH 90 74 66 64 79 88 94 97 93 74 66 62 82 91 97 97 97 74 66 64 80 88 Wind dir E E E E E E E E E E SE N E E E E E E E NE NE E Wind spd 2 4 3 4 4 5 6 4 5 5 3 5 4 4 5 5 5 4 3 4 4 6 Wind gust 16 20 19 14 14 16 18 17 13 Clouds FW CL FW B2 OV OV SC SC SC CL FW B1 B2 SC SC FW FW CL CL B2 B2 SC PoP 12hr 90 90 70 10 70 QPF 12hr 0.10-1.18 0.13-0.81 0.04-1.17 0.00-0.12 0.08-1.12 Snow 12hr MM MM MM Rain shwrs NM D D IS IS IS NM NM IS IS NM NM IS Tstms IS IS IS IS IS IS IS Heat index 90100102 89 90102103 90 90102104 91 81 Max heat 98 118 110 94 98 118 110 95 98 116 114 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 88 74 90 73 91 73 91 Temp 75 82 88 78 75 83 90 78 74 83 91 78 74 83 91 79 Dewpt 73 74 76 75 73 75 77 75 73 74 77 75 73 74 77 75 PWind dir E E E SE E E E E Wind char LT LT LT GN LT LT LT LT Avg clouds SC FW SC B1 SC SC B1 B1 SC FW SC SC FW FW SC B1 PoP 12hr 10 70 20 70 10 60 0 60 Rain shwrs IS IS IS IS IS IS IS NM IS IS NM NM NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ011-042000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 86 92 96 72 75 83 86 93 96 72 75 83 86 93 96 Temp 75 85 91 92 84 80 78 76 75 85 91 93 84 80 78 76 75 85 92 93 84 80 Dewpt 71 74 76 76 76 76 75 73 72 75 77 77 77 76 76 74 73 75 77 77 77 76 RH 87 70 62 60 77 88 91 90 90 72 64 60 80 88 94 94 94 72 62 60 80 88 Wind dir NE E SE SE SE E E E E E SE SE E E E E E E E SE E E Wind spd 3 4 8 8 6 8 9 8 8 8 10 12 9 8 8 8 8 6 10 9 5 5 Wind gust 19 19 19 18 18 21 25 19 19 19 18 17 21 20 Clouds FW CL FW SC B1 B1 SC SC SC CL CL SC B1 FW FW CL CL CL CL B1 B1 FW PoP 12hr 40 40 30 0 30 QPF 12hr 0.13-0.89 0.09-0.48 0.05-1.02 0.01 0.08-0.86 Snow 12hr MM MM MM Rain shwrs IS SC SC IS IS IS IS SC SC SC Tstms IS IS IS IS IS Heat index 92103105 93 84 93105107 94 85 93105107 95 86 Max heat 96 113 110 94 98 113 110 95 96 113 110 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 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 92 74 93 74 93 Temp 76 83 90 79 76 85 92 80 76 85 93 80 75 85 93 80 Dewpt 73 74 77 76 74 75 78 76 73 74 77 76 73 74 77 76 PWind dir E SE E E E E E E Wind char LT LT LT GN GN GN LT GN Avg clouds FW FW SC B1 SC SC SC SC SC FW FW SC FW FW FW SC PoP 12hr 10 40 20 30 10 30 0 30 Rain shwrs IS SC SC IS IS SC SC IS IS SC SC SC SC Tstms IS $$ PRZ012-042000- Culebra- Including the city of Culebra 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 89 94 77 80 83 86 89 95 76 80 83 86 88 94 Temp 80 85 88 89 85 83 82 81 80 85 88 89 85 83 81 80 80 85 88 88 84 82 Dewpt 74 74 75 75 76 75 76 76 76 76 76 76 77 76 76 76 76 76 76 76 76 75 RH 82 70 66 64 75 77 82 85 88 75 68 66 77 80 85 88 88 75 68 68 77 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 11 12 13 12 13 14 13 9 12 11 11 12 13 14 13 11 11 12 10 11 13 Clouds B1 B1 B1 B1 B1 B2 B1 B1 B2 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 50 50 40 40 40 QPF 12hr 0.25 0.18-0.25 0.15 0.21 0.25 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC SC SC SC SC Tstms IS IS Heat index 83 93 97 99 94 90 88 86 85 95100101 95 91 88 85 82 94 98 99 93 89 Max heat 97 105 105 94 99 110 109 95 96 106 105 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 88 79 89 80 89 79 88 Temp 80 84 88 82 80 85 89 82 80 85 89 82 80 85 88 82 Dewpt 76 76 76 76 76 76 76 76 76 76 76 75 76 75 75 75 PWind dir E E E E E E E E Wind char GN GN BZ GN BZ GN GN GN Avg clouds SC SC B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC PoP 12hr 30 60 60 60 40 30 30 30 Rain shwrs SC SC SC NM NM NM NM NM SC SC SC SC SC SC SC IS Tstms IS IS IS IS IS IS $$ PRZ013-042000- Vieques- Including the city of Vieques 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 84 89 92 75 79 83 84 89 92 74 78 83 84 89 92 Temp 78 84 88 89 84 82 80 79 79 85 88 89 84 81 80 79 78 84 88 89 83 81 Dewpt 74 73 74 73 74 74 75 75 75 75 75 75 75 75 76 75 75 75 75 74 75 75 RH 88 70 63 59 72 77 85 88 88 72 66 64 74 82 88 88 91 74 66 61 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 E Wind spd 10 9 11 12 11 13 14 12 9 11 11 11 12 12 13 12 11 11 10 9 11 12 Clouds B1 B1 SC B1 B2 B2 B1 SC SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 60 60 40 40 40 QPF 12hr 0.39 0.13-0.28 0.17 0.16-0.22 0.25 Snow 12hr MM MM MM Rain shwrs SC SC SC SC NM NM SC SC SC SC SC IS IS SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS Heat index 91 96 97 91 87 85 82 80 93 98 99 92 88 83 80 92 98 98 91 86 Max heat 94 102 101 94 96 105 103 94 94 103 101 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 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 78 89 79 89 78 89 Temp 78 83 88 81 79 84 89 82 79 84 89 81 79 84 89 81 Dewpt 75 75 75 75 75 75 74 75 75 75 74 75 75 74 74 74 PWind dir E E E E E E E E Wind char GN GN GN GN BZ GN GN GN Avg clouds SC B1 B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC PoP 12hr 40 60 60 60 40 30 30 30 Rain shwrs SC SC SC NM NM NM NM SC SC SC IS SC SC SC SC IS Tstms IS IS IS IS IS IS $$ VIZ001-042000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 87 94 68 79 83 82 87 94 68 79 83 82 87 93 Temp 78 83 86 87 83 81 81 80 79 84 86 87 84 82 81 80 79 84 86 87 83 81 Dewpt 73 74 74 74 74 74 75 75 75 75 76 75 76 75 76 75 75 75 75 74 75 74 RH 85 74 68 65 74 79 82 85 88 74 72 68 77 79 85 85 88 74 70 65 77 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 11 12 12 13 13 13 14 13 11 13 11 13 12 13 14 16 13 12 12 11 11 12 Clouds B1 B1 B2 B1 B1 B1 SC SC B2 SC SC FW FW SC SC B1 B1 SC SC SC SC SC PoP 12hr 50 50 20 40 30 QPF 12hr 0.17-0.22 0.13 0.04-0.11 0.16 0.11-0.20 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC IS IS SC IS IS IS IS IS IS SC SC SC SC IS IS SC Tstms IS IS Heat index 89 94 95 90 87 85 84 82 92 96 97 92 88 86 84 82 91 95 96 90 85 Max heat 96 106 105 94 98 107 106 95 98 105 103 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 86 78 87 78 87 78 87 Temp 79 83 86 80 78 83 87 81 79 83 87 81 79 83 87 80 Dewpt 75 75 74 74 75 75 75 74 75 75 75 74 75 75 74 74 PWind dir E E E E E E E E Wind char GN BZ BZ BZ BZ BZ GN BZ Avg clouds SC B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC PoP 12hr 40 60 60 60 20 20 20 20 Rain shwrs SC SC SC NM NM NM NM SC IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS $$ VIZ002-042000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 AM AST Sun Oct 4 2026 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 84 89 96 75 78 83 85 89 96 74 77 83 84 89 96 Temp 77 84 88 89 83 81 80 79 78 84 88 89 83 81 79 78 77 83 88 89 83 81 Dewpt 74 75 75 75 76 75 76 76 76 77 77 77 77 76 77 76 76 76 76 76 76 76 RH 90 74 66 64 80 82 88 91 94 80 70 68 82 85 94 94 97 80 68 66 80 85 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 10 12 11 11 12 12 11 10 10 11 12 11 12 12 12 11 11 12 11 10 11 Clouds SC SC B1 SC B1 B2 SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 30 30 30 QPF 12hr 0.17 0.13 0.15 0.14 0.20 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC IS IS SC SC SC IS SC IS IS SC SC SC SC SC SC SC Tstms IS IS Heat index 92 98 99 92 87 82 80 94100101 92 86 81 92 99100 92 87 Max heat 99 110 107 94 102 115 110 95 99 112 109 Heat Y Y Date Wed 10/07/26 Thu 10/08/26 Fri 10/09/26 Sat 10/10/26 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 87 78 89 78 89 78 88 Temp 78 83 87 81 79 84 89 81 78 84 89 81 78 84 88 81 Dewpt 76 76 76 76 76 76 76 76 76 76 76 75 75 75 75 75 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN BZ Avg clouds SC B1 B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC PoP 12hr 40 60 60 60 20 20 20 20 Rain shwrs SC SC SC NM NM NM NM SC IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS $$