Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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409 FOCA52 TJSJ 010631 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 AM AST Thu Oct 1 2026 PRZ001-012000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 94 73 77 82 83 90 93 73 77 82 84 91 93 Temp 78 85 89 90 84 81 80 78 77 84 89 90 84 81 79 78 77 85 90 91 84 82 Dewpt 75 77 77 77 76 76 76 75 75 76 77 76 76 75 75 75 74 76 77 76 76 75 RH 91 77 68 66 77 85 88 91 94 77 68 64 77 82 88 91 90 75 66 62 77 79 Wind dir SE E E E E E SE SE SE E E E SE E E E SE SE E E E E Wind spd 5 8 13 14 12 8 6 5 4 6 13 14 12 8 5 8 5 6 11 13 12 8 Wind gust 24 Clouds B2 B2 B1 B2 B2 SC SC SC B1 B1 SC B1 B2 SC SC SC SC SC SC B1 B1 SC PoP 12hr 60 50 60 20 50 QPF 12hr 0.36-0.48 0.11-0.20 0.18-0.29 0.06-0.18 0.25-0.34 Snow 12hr MM MM MM Rain shwrs NM NM SC NM NM SC SC IS SC SC SC SC NM IS IS IS IS IS IS SC SC SC Tstms IS IS IS IS Heat index 95102102 93 87 84 81 94101101 92 87 83 80 94102102 93 88 Max heat 101 107 107 92 100 112 110 92 100 107 107 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 89 77 91 77 91 77 91 Temp 79 84 89 81 78 85 91 81 78 85 91 81 78 85 91 81 Dewpt 75 76 76 75 75 76 77 76 75 77 77 76 75 76 77 76 PWind dir E E E E SE E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC FW FW FW FW FW FW SC SC SC B1 B1 SC PoP 12hr 30 30 20 10 10 30 50 50 Rain shwrs SC SC IS IS IS IS IS IS IS IS IS SC SC SC SC IS Tstms IS IS IS $$ PRZ002-012000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 88 93 67 77 82 74 87 93 67 77 82 75 88 94 Temp 77 83 87 88 83 80 79 78 77 83 86 87 82 80 79 78 77 83 87 88 83 81 Dewpt 74 75 75 74 74 74 75 74 74 75 74 74 74 74 74 74 74 75 74 74 74 74 RH 90 77 68 63 74 82 88 88 90 77 68 65 77 82 85 88 90 77 65 63 74 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 8 11 12 12 10 9 9 8 6 9 11 12 11 9 9 9 8 9 11 12 10 9 Wind gust 18 19 19 17 21 19 20 Clouds B2 B2 B1 B2 B1 B2 B1 B1 B2 B2 B2 B2 B2 SC SC B1 B1 B1 B1 B2 B2 SC PoP 12hr 60 60 60 50 50 QPF 12hr 0.28-0.48 0.21 0.26-0.34 0.14-0.25 0.29-0.35 Snow 12hr MM MM MM Rain shwrs NM NM SC NM SC SC SC SC SC SC SC NM NM SC SC SC SC SC SC SC SC SC Tstms IS IS IS Heat index 91 96 97 89 85 82 90 95 95 88 84 82 90 96 96 89 85 Max heat 98 105 103 92 97 103 101 91 97 105 102 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 87 77 88 77 88 77 88 Temp 78 83 87 80 78 84 88 80 78 83 88 80 78 83 88 80 Dewpt 74 75 74 74 74 75 74 74 74 75 74 74 74 75 74 74 PWind dir E E E E E E E E Wind char GN GN LT GN LT GN LT GN Avg clouds SC B1 SC SC SC SC SC SC SC SC B1 B1 SC B1 B2 B1 PoP 12hr 40 40 20 30 40 40 50 60 Rain shwrs SC SC SC IS IS IS IS IS IS SC SC SC SC SC NM NM Tstms IS IS IS IS IS IS $$ PRZ003-012000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 76 82 77 87 92 69 76 82 78 88 93 Temp 76 83 86 87 82 80 78 77 76 82 86 87 82 80 78 77 76 83 87 88 82 80 Dewpt 73 75 74 74 75 74 74 74 73 74 73 72 74 74 74 74 73 74 74 73 74 73 RH 90 77 68 65 79 82 88 90 90 77 65 61 77 82 88 90 90 74 65 61 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 6 9 12 12 10 8 8 8 5 8 12 13 11 8 8 8 6 8 11 12 11 9 Wind gust 26 25 21 26 28 23 23 24 25 Clouds B2 B2 B1 SC B1 B1 B1 SC B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 50 40 40 50 QPF 12hr 0.16-0.28 0.05-0.21 0.14-0.31 0.11-0.25 0.25-0.35 Snow 12hr MM MM MM Rain shwrs NM NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS Tstms IS IS Heat index 89 95 96 88 83 81 88 93 93 87 83 80 89 95 96 89 84 Max heat 97 107 105 91 97 105 104 91 98 107 105 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 87 76 88 76 88 76 88 Temp 77 83 87 80 77 83 88 80 77 83 88 80 77 83 88 80 Dewpt 74 74 73 73 74 74 73 74 74 74 73 74 74 74 73 74 PWind dir NE E NE E NE E NE E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC FW FW FW FW FW SC SC SC SC SC B1 B1 SC PoP 12hr 30 30 5 20 20 30 50 50 Rain shwrs IS IS SC IS IS IS IS IS IS IS IS SC SC SC SC IS Tstms IS IS IS $$ PRZ004-012000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 86 91 68 73 77 77 86 91 68 73 77 77 87 92 Temp 74 81 85 86 80 77 76 74 73 80 85 86 80 77 76 74 73 81 86 87 80 78 Dewpt 72 74 74 74 74 73 73 73 72 74 74 73 73 72 73 72 72 74 74 73 73 73 RH 93 79 70 68 82 87 90 97 97 82 70 65 79 85 90 93 97 79 68 63 79 85 Wind dir E E E SE E E E E E E E E E E E E E E E E E E Wind spd 3 8 11 11 9 4 5 4 3 5 10 12 10 5 4 6 4 5 10 11 9 4 Clouds B2 B2 B1 B1 B2 B1 B1 SC B1 B1 B1 B1 B2 SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 60 50 50 30 50 QPF 12hr 0.18-0.48 0.05-0.21 0.18-0.32 0.10-0.24 0.25-0.34 Snow 12hr MM MM MM Rain shwrs NM NM SC SC SC SC SC IS SC SC SC SC SC IS IS SC SC SC SC SC SC SC Tstms IS IS IS IS Heat index 86 94 94 84 85 92 92 83 86 93 94 84 Max heat 97 105 103 86 95 104 102 86 96 104 102 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 86 73 87 74 87 73 87 Temp 75 80 86 77 74 81 87 78 75 81 87 78 74 81 87 78 Dewpt 72 74 73 73 72 74 73 73 73 74 73 73 72 74 73 73 PWind dir E E E E E E E E Wind char LT GN LT LT LT GN LT GN Avg clouds SC SC SC SC FW FW FW FW FW SC SC B1 SC B1 B1 SC PoP 12hr 30 30 10 20 20 40 50 50 Rain shwrs SC SC IS IS IS IS IS IS IS IS SC SC SC SC SC IS Tstms IS IS IS IS $$ PRZ005-012000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 91 94 72 75 82 85 90 93 72 75 82 85 90 94 Temp 76 84 90 91 83 80 78 76 75 83 89 90 83 79 78 76 75 83 89 90 83 80 Dewpt 74 76 77 77 76 75 75 74 74 76 77 77 76 75 75 74 73 76 77 77 76 75 RH 94 77 66 64 80 85 91 94 97 80 68 66 80 88 91 94 94 80 68 66 80 85 Wind dir SE E E E E E SE SE SE E E E E E SE SE SE SE E E E E Wind spd 6 6 12 16 14 9 6 5 4 5 13 14 12 9 6 5 4 5 10 14 13 10 Wind gust 28 27 28 24 26 26 Clouds SC SC SC B1 B2 SC FW FW SC SC FW B1 B2 SC SC SC SC SC SC B1 B1 SC PoP 12hr 60 20 60 10 40 QPF 12hr 0.12-1.09 0.02-0.13 0.16-1.07 0.04-0.14 0.19-0.30 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC IS IS IS IS SC NM IS IS IS IS IS IS SC SC IS Tstms IS IS IS IS IS IS Heat index 93103103 92 85 92102102 90 83 92102102 91 84 Max heat 100 107 107 92 100 114 111 92 100 107 107 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 89 75 90 75 90 75 90 Temp 76 83 89 79 76 83 90 80 76 83 90 79 76 83 90 80 Dewpt 74 76 77 75 74 76 77 75 74 76 77 75 74 76 77 75 PWind dir E E E E SE E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC FW FW FW FW FW FW FW SC SC SC B1 B1 PoP 12hr 20 30 5 10 5 30 20 70 Rain shwrs IS IS IS SC IS IS IS IS IS SC IS IS IS IS NM Tstms IS IS IS $$ PRZ006-012000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 85 92 63 72 76 74 84 92 63 72 76 75 84 92 Temp 72 79 84 85 79 76 74 73 72 79 83 84 78 76 74 73 72 79 83 84 78 76 Dewpt 70 72 73 72 72 72 72 71 70 72 73 71 72 71 71 71 70 72 73 72 72 71 RH 93 79 70 65 79 87 93 93 93 79 72 65 82 85 90 93 93 79 72 67 82 85 Wind dir E E E SE E E E E E E E E SE E E E E E E E E E Wind spd 3 5 10 10 9 4 4 4 3 4 10 10 9 4 3 4 3 4 8 9 8 5 Wind gust 26 24 19 25 27 21 23 24 21 Clouds SC SC B1 B1 B2 SC FW FW FW SC FW B1 B2 FW FW SC SC SC SC B1 B1 FW PoP 12hr 70 20 50 20 40 QPF 12hr 0.12-1.13 0.02-0.12 0.13-1.06 0.03-0.11 0.24-0.85 Snow 12hr MM MM MM Rain shwrs SC SC SC SC NM IS IS IS IS IS IS SC NM IS IS IS IS IS IS SC SC IS Tstms IS IS IS IS IS Heat index 82 89 90 81 81 88 88 80 82 89 89 81 Max heat 96 107 104 85 96 106 103 85 96 106 103 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 83 72 84 72 84 72 84 Temp 73 78 83 75 73 79 84 76 73 79 84 76 73 79 84 76 Dewpt 71 72 72 71 71 72 72 72 71 72 72 72 71 72 72 72 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC SC FW FW FW SC FW FW SC B1 SC SC B1 SC PoP 12hr 20 40 0 30 5 40 30 40 Rain shwrs IS IS IS SC SC IS IS IS SC SC IS IS SC IS Tstms IS IS IS IS $$ PRZ007-012000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 94 63 75 82 74 87 93 63 75 82 75 88 94 Temp 75 82 87 88 82 79 77 76 75 82 86 87 81 79 77 76 75 82 87 88 82 79 Dewpt 71 72 73 73 74 73 72 72 71 72 73 72 72 72 72 71 71 72 73 73 74 73 RH 87 72 63 61 77 82 85 87 87 72 65 61 74 79 85 85 87 72 63 61 77 82 Wind dir E E SE SE E E E E NE E E SE SE E E NE E E E SE E E Wind spd 4 6 13 12 10 8 6 5 4 5 12 12 10 8 5 5 4 5 11 11 9 6 Wind gust 28 27 24 19 26 29 24 21 24 25 25 Clouds SC SC SC SC B1 SC FW FW FW FW FW SC B1 FW FW SC SC SC SC B1 B1 FW PoP 12hr 30 20 40 10 50 QPF 12hr 0.02-1.11 0.01-0.06 0.10-0.86 0.02-0.14 0.17-0.83 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC IS IS IS IS IS IS SC IS IS IS IS IS IS SC SC Tstms IS IS IS IS Heat index 87 94 95 87 82 86 92 93 85 82 87 93 95 87 82 Max heat 94 107 104 91 93 104 102 91 94 106 104 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 75 88 Temp 76 82 87 79 76 82 88 79 76 82 88 79 76 82 88 79 Dewpt 71 71 73 72 71 71 73 73 71 72 73 73 71 72 73 72 PWind dir NE E NE E NE E NE E Wind char LT GN LT LT LT LT LT GN Avg clouds FW FW SC SC CL CL FW SC FW FW SC B1 SC SC SC SC PoP 12hr 10 40 0 40 0 50 20 30 Rain shwrs IS IS SC SC SC IS SC IS IS IS IS IS Tstms IS IS IS IS $$ PRZ008-012000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 89 94 70 74 82 85 87 93 69 74 82 85 88 94 Temp 75 83 88 89 82 79 77 75 74 82 87 87 81 78 76 75 74 82 87 88 81 78 Dewpt 72 74 77 77 76 75 74 73 72 74 77 77 75 75 74 73 72 74 76 76 75 75 RH 90 74 70 68 82 88 90 94 93 77 72 72 82 91 94 94 93 77 70 68 82 91 Wind dir E E E E E E E E E E E NE E SE E SE E E E E E E Wind spd 9 10 11 14 11 8 6 6 5 8 11 12 9 6 6 6 5 6 9 11 11 10 Wind gust 28 25 25 20 21 24 Clouds SC FW FW SC B1 B1 SC FW FW FW CL B1 OV SC SC SC SC FW FW B1 B1 SC PoP 12hr 50 30 70 10 50 QPF 12hr 0.13-1.09 0.07 0.62-1.09 0.03-0.09 0.23-0.30 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC IS IS IS SC NM IS IS IS IS SC SC IS Tstms IS IS IS IS IS Heat index 89 99101 88 80 87 97 99 86 87 97 98 87 Max heat 94 107 107 92 94 109 106 92 93 107 107 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 87 74 88 74 88 74 88 Temp 75 81 87 78 75 82 88 78 75 82 88 78 75 81 88 78 Dewpt 73 74 76 75 73 74 76 75 73 74 76 75 73 74 76 75 PWind dir E E E E E E E E Wind char GN GN GN GN LT GN LT LT Avg clouds SC FW FW SC CL CL FW SC CL FW SC B1 SC SC SC B2 PoP 12hr 5 40 0 40 0 50 10 70 Rain shwrs IS IS SC SC SC SC SC SC IS IS NM NM Tstms IS IS IS IS $$ PRZ009-012000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 86 94 66 72 77 74 85 93 66 72 77 75 85 94 Temp 72 80 85 86 79 76 74 73 72 79 84 85 79 76 74 73 72 79 84 85 79 76 Dewpt 70 71 74 74 72 72 72 71 70 71 73 74 72 72 72 70 69 71 73 73 72 72 RH 93 74 70 68 79 87 93 93 93 77 70 70 79 87 93 90 90 77 70 67 79 87 Wind dir E E E E E E E E E E E E SE E E E E E E E E E Wind spd 4 4 8 6 5 4 4 4 3 4 6 4 4 4 4 3 3 4 5 5 3 4 Wind gust 26 26 21 25 23 20 20 21 23 Clouds FW FW SC B1 B2 SC SC FW CL FW CL B1 OV FW FW FW FW FW FW B2 B2 FW PoP 12hr 70 30 70 5 60 QPF 12hr 0.02-1.13 0.01-0.06 0.17-1.09 0.03 0.29-0.84 Snow 12hr MM MM MM Rain shwrs IS IS IS SC NM SC IS SC NM IS IS IS IS NM NM Tstms IS IS IS IS IS IS Heat index 83 91 93 82 82 90 91 81 82 90 92 81 Max heat 94 107 107 86 94 109 107 85 94 107 107 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 85 72 85 72 85 Temp 73 79 84 76 73 79 85 76 73 79 85 76 73 79 85 76 Dewpt 70 71 73 72 70 71 73 72 71 72 74 72 70 71 73 72 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW FW SC SC CL FW SC B1 SC SC SC B2 PoP 12hr 0 50 0 60 0 60 10 70 Rain shwrs SC SC IS NM NM NM NM IS IS NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ010-012000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 91 94 68 75 82 76 90 93 68 75 82 76 91 94 Temp 75 84 90 91 83 80 78 76 75 83 89 90 83 79 77 76 75 84 89 91 83 79 Dewpt 72 74 77 78 77 76 75 73 72 74 77 77 76 75 75 73 72 74 76 77 76 75 RH 90 72 66 66 82 88 91 90 90 74 68 66 80 88 94 90 90 72 66 64 80 88 Wind dir E E E E E E E E E E E SE E E E E E E E E E E Wind spd 6 6 6 6 5 5 6 6 5 6 6 5 5 8 6 5 5 5 5 5 5 8 Wind gust 17 18 19 16 18 19 23 19 20 18 16 19 19 23 21 19 19 18 16 19 Clouds FW FW FW B1 B2 B1 SC FW FW FW FW B1 B2 FW FW FW FW FW FW B2 B2 FW PoP 12hr 70 40 70 5 60 QPF 12hr 0.03-1.16 0.01-0.31 0.02-1.09 0.02 0.23-0.84 Snow 12hr MM MM MM Rain shwrs IS SC NM SC IS IS SC NM IS IS NM NM IS Tstms IS IS IS IS IS IS Heat index 91102103 92 84 90101103 91 83 91101102 91 83 Max heat 98 107 107 92 97 112 109 92 97 107 107 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 89 75 91 75 91 75 90 Temp 76 83 89 79 76 84 91 80 76 84 91 79 76 84 90 80 Dewpt 73 74 77 75 73 74 77 75 73 75 77 75 73 74 77 75 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 FW FW FW SC FW FW SC B1 SC SC SC B2 PoP 12hr 0 50 5 60 0 60 10 70 Rain shwrs IS IS SC SC IS IS NM SC NM NM IS IS IS SC Tstms IS IS IS IS IS IS IS IS $$ PRZ011-012000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 94 73 76 82 86 91 93 73 77 82 86 92 94 Temp 76 85 91 92 85 81 79 77 76 85 90 91 84 81 79 77 77 85 91 92 84 81 Dewpt 72 73 75 76 76 76 75 74 73 73 75 74 74 74 74 73 73 73 75 75 76 75 RH 87 67 60 60 75 85 88 90 90 67 62 58 72 79 85 87 87 67 60 58 77 82 Wind dir E E SE SE E E E E E E SE SE E E E E E E E SE E E Wind spd 6 8 16 17 13 11 11 9 8 6 14 14 11 13 11 6 8 8 12 13 9 10 Wind gust 31 33 28 24 25 20 29 29 24 27 26 25 28 21 20 Clouds FW FW FW SC SC SC SC FW FW FW FW SC B1 FW FW SC SC FW FW B2 B2 CL PoP 12hr 10 10 40 5 50 QPF 12hr 0.01-0.89 0.01-0.06 0.10-0.63 0.03 0.23-0.83 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS SC IS IS IS IS SC SC Tstms IS IS Heat index 92102103 93 87 82 92101102 91 86 81 92102103 93 87 Max heat 94 107 107 92 94 110 107 92 94 107 107 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 92 76 92 76 92 Temp 77 85 91 80 77 85 92 81 77 85 92 81 77 85 92 81 Dewpt 73 73 75 75 72 72 75 75 73 73 75 75 73 73 75 75 PWind dir E E E E E E E E Wind char LT GN LT LT LT LT LT GN Avg clouds CL FW SC SC FW FW FW SC FW FW FW SC SC SC SC SC PoP 12hr 10 40 20 40 5 30 10 20 Rain shwrs IS SC SC IS IS SC SC SC IS IS IS IS IS Tstms IS $$ PRZ012-012000- Culebra- Including the city of Culebra 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 89 94 81 85 88 93 81 86 89 94 Temp 81 86 88 89 85 84 83 82 81 85 87 88 85 83 83 82 81 86 88 89 85 84 Dewpt 76 76 76 77 77 76 76 76 76 76 76 76 76 76 76 76 75 76 76 76 76 76 RH 85 72 68 68 77 77 80 82 85 75 70 68 75 80 80 82 82 72 68 66 75 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 17 18 17 16 16 16 16 17 16 14 13 16 16 16 17 14 13 13 14 14 14 16 Clouds B1 B1 SC SC SC B1 B1 B1 SC B1 B2 B1 B2 SC SC B1 B1 B2 B2 B1 B1 SC PoP 12hr 40 40 50 50 50 QPF 12hr 0.10-0.18 0.20 0.27 0.25 0.29 Snow 12hr MM MM MM Rain shwrs SC SC IS IS SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 87 96100100 95 92 90 89 87 94 97 98 94 91 90 89 87 95100 99 95 92 Max heat 100 107 106 95 98 105 104 94 99 106 105 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 88 81 89 81 89 81 89 Temp 82 85 88 83 82 86 89 83 82 85 89 83 82 85 89 84 Dewpt 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 PWind dir E E E E E E E E Wind char BZ BZ BZ GN GN GN BZ BZ Avg clouds SC SC SC SC SC SC SC SC SC SC B1 B1 SC B1 B2 B1 PoP 12hr 30 30 20 30 40 40 50 60 Rain shwrs SC SC IS IS IS IS SC SC IS SC SC SC SC SC NM NM Tstms IS IS IS IS IS $$ PRZ013-012000- Vieques- Including the city of Vieques 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 80 84 88 91 80 85 89 92 Temp 80 85 88 89 85 83 82 81 80 84 87 88 84 82 81 81 80 85 88 89 85 83 Dewpt 75 75 75 75 76 75 76 75 75 75 75 75 75 74 75 75 74 75 75 75 75 74 RH 85 72 66 64 75 77 82 82 85 74 68 66 74 77 82 82 82 72 66 64 72 74 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 17 17 16 16 16 16 17 14 16 14 13 16 16 14 16 14 13 13 13 14 13 17 Clouds B2 B1 SC SC SC B2 B2 B2 B1 B1 B2 B2 B2 SC SC B1 B1 B2 B2 B1 B1 SC PoP 12hr 50 50 60 50 50 QPF 12hr 0.09-0.28 0.20 0.28-0.33 0.25 0.29 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC SC SC SC SC NM SC SC SC SC SC SC SC SC SC SC SC Heat index 84 94 99 99 93 90 88 85 83 92 97 97 92 89 87 85 84 93 98 98 93 89 Max heat 98 103 102 92 95 101 99 91 96 102 101 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 89 80 89 80 89 Temp 81 85 88 82 81 85 89 83 81 85 89 82 81 85 89 82 Dewpt 75 75 75 74 75 75 75 75 75 75 75 75 75 75 75 75 PWind dir E E E E E E E E Wind char BZ BZ BZ GN GN GN GN GN Avg clouds SC B1 SC SC SC SC SC SC SC SC B1 B1 SC B1 B2 B1 PoP 12hr 40 40 20 30 40 40 50 60 Rain shwrs SC SC SC IS IS IS SC SC IS SC SC SC SC SC NM NM Tstms IS IS IS IS IS IS $$ VIZ001-012000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 87 93 71 80 82 84 86 92 70 80 82 85 87 93 Temp 80 84 87 87 84 82 81 81 80 84 86 86 84 82 81 80 80 84 87 87 84 82 Dewpt 75 76 75 75 76 75 76 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 RH 85 77 68 68 77 79 85 82 85 74 70 70 74 79 82 85 85 74 68 68 74 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 18 18 17 16 17 16 18 18 16 16 14 16 16 16 16 14 13 14 14 14 16 17 Clouds SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC B1 B1 B2 B2 SC SC SC PoP 12hr 30 30 40 50 50 QPF 12hr 0.05-0.18 0.11-0.19 0.17-0.23 0.25 0.15-0.29 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS SC IS SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 85 93 96 97 92 89 87 86 84 91 95 95 91 88 87 86 84 92 96 96 91 89 Max heat 99 106 104 93 97 104 102 92 98 105 103 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 87 80 87 80 87 80 87 Temp 81 84 87 82 80 84 87 82 81 84 87 82 80 84 87 82 Dewpt 75 75 75 75 75 76 75 75 75 75 75 75 75 75 75 75 PWind dir E E E E E E E E Wind char BZ BZ BZ GN GN GN BZ BZ Avg clouds SC SC SC FW SC SC SC SC FW SC B1 B1 SC B1 B2 B1 PoP 12hr 30 20 20 30 40 40 50 50 Rain shwrs SC SC IS IS IS IS SC SC IS SC SC SC SC SC SC IS Tstms IS IS IS IS IS $$ VIZ002-012000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 AM AST Thu Oct 1 2026 Date Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 94 80 84 88 93 80 85 89 94 Temp 80 85 88 89 85 83 82 81 80 84 87 88 84 82 82 81 80 85 88 89 85 83 Dewpt 76 77 77 76 77 76 76 76 76 76 76 76 76 75 76 76 76 76 76 75 76 75 RH 88 77 70 66 77 80 82 85 88 77 70 68 77 79 82 85 88 75 68 64 75 77 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 14 16 17 16 14 13 13 14 13 14 14 16 14 13 14 11 12 12 14 13 13 14 Clouds B2 B1 SC SC SC B1 B1 SC SC B1 B1 B1 SC SC SC B1 B1 B2 B2 SC SC SC PoP 12hr 50 40 40 50 50 QPF 12hr 0.09-0.28 0.19 0.22 0.25 0.15-0.22 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS Heat index 83 94100100 94 90 88 86 84 93 98 98 93 89 88 86 84 94 99 99 93 90 Max heat 100 107 107 93 99 107 105 92 100 107 106 Date Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 Wed 10/07/26 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 89 80 89 80 89 Temp 81 84 88 83 81 85 89 83 81 85 89 82 81 85 89 82 Dewpt 76 76 76 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 SC SC SC SC SC SC SC CL FW B1 SC SC B1 B1 B1 PoP 12hr 20 20 20 30 40 40 50 50 Rain shwrs IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS $$