Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
939 FOCA52 TJSJ 291831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Tue Sep 29 2026 PRZ001-300800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 76 80 81 87 91 71 75 80 82 89 91 70 74 80 Temp 82 79 78 76 76 83 87 87 82 79 77 76 75 83 88 89 82 79 77 75 74 82 Dewpt 77 76 76 75 75 76 77 76 76 75 76 75 75 76 77 77 76 76 76 75 74 76 RH 85 91 94 97 97 80 72 70 82 88 97 97100 80 70 68 82 91 97100100 82 Wind dir E E E E E E E E E E E E E E E E E E E E SE E Wind spd 12 8 9 6 5 9 13 14 13 9 8 6 6 8 13 14 12 6 6 5 5 8 Wind gust 18 25 Clouds SC SC SC SC B1 B1 SC B1 SC SC SC SC B1 SC SC B1 B1 SC SC SC SC SC PoP 12hr 40 40 30 50 20 QPF 12hr 0.04-0.10 0.12-0.22 0.07-0.20 0.06-0.35 0.01-0.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC IS SC IS IS SC SC SC IS IS SC SC IS IS IS IS IS Heat index 91 83 90 97 98 89 81 91 99100 89 81 90 Max heat 107 88 95 107 105 89 96 110 108 89 97 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 75 88 75 89 75 90 76 91 Temp 88 79 76 82 88 79 76 83 89 79 76 83 90 80 77 84 91 80 Dewpt 76 75 75 76 77 75 75 76 77 76 75 77 77 76 75 77 68 73 PWind dir E SE E E E E E SE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds B1 B2 B1 B1 B1 B1 SC SC SC SC FW SC SC SC FW FW SC SC PoP 12hr 60 40 50 20 20 30 30 5 10 Rain shwrs IS SC SC SC SC SC IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS $$ PRZ002-300800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 76 80 73 85 90 65 74 80 74 86 91 65 73 79 Temp 81 79 77 76 76 81 84 85 80 77 76 75 74 81 85 86 80 77 76 74 73 80 Dewpt 75 74 74 74 74 75 74 74 74 74 74 74 74 75 75 74 75 74 74 74 73 74 RH 82 85 90 94 94 82 72 70 82 90 94 97100 82 72 68 85 90 94100100 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 12 10 10 9 9 11 13 13 12 10 10 9 9 10 12 12 10 9 9 6 8 10 Wind gust 21 20 20 20 20 20 19 19 Clouds B1 SC SC SC SC B1 SC B1 SC B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 PoP 12hr 30 40 40 50 50 QPF 12hr 0.07 0.20 0.20 0.18-0.37 0.07-0.13 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC IS SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS Heat index 87 82 87 92 92 85 86 93 94 85 85 Max heat 99 88 93 100 98 89 93 102 100 88 92 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 74 86 74 87 74 88 75 88 Temp 86 77 75 81 86 78 75 81 87 78 75 82 88 79 76 82 88 79 Dewpt 74 74 73 74 74 74 74 75 74 74 74 75 74 74 74 75 70 73 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN GN LT GN Avg clouds B2 B2 B1 B1 B2 B2 SC SC B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 60 50 60 30 40 30 30 20 20 Rain shwrs NM NM SC SC NM NM SC SC SC SC IS SC SC IS IS IS IS IS Tstms IS IS IS IS $$ PRZ003-300800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 79 77 85 90 66 74 79 76 86 90 67 73 78 Temp 81 78 77 75 75 81 84 85 80 77 76 74 74 80 85 86 80 77 75 74 73 80 Dewpt 74 74 74 74 73 73 73 73 74 73 74 73 72 74 73 74 74 74 73 73 72 74 RH 79 88 90 97 94 77 70 67 82 87 94 97 93 82 67 68 82 90 94 97 97 82 Wind dir E NE NE NE NE E E E E NE NE E E E E E E E E E E E Wind spd 12 9 9 8 8 10 14 14 12 9 9 9 8 10 13 12 10 8 8 6 6 9 Wind gust 25 20 26 27 24 19 20 27 26 23 Clouds SC SC FW SC SC SC SC B1 SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 40 40 50 50 QPF 12hr 0.02-0.10 0.09-0.21 0.09-0.21 0.06-0.37 0.06-0.13 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 86 81 86 91 92 85 85 91 93 84 84 Max heat 102 87 94 102 101 87 93 103 101 85 91 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 73 86 74 86 74 88 75 88 Temp 85 77 74 80 86 77 75 81 86 78 75 82 88 78 76 82 88 79 Dewpt 73 73 72 74 73 73 73 73 71 72 73 74 73 74 73 74 69 72 PWind dir E E E E E E E E E Wind char GN LT GN GN GN LT GN LT GN Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 50 50 30 20 30 30 10 10 Rain shwrs SC SC SC SC SC SC SC SC IS IS IS SC SC IS IS IS IS IS $$ PRZ004-300800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 72 76 76 84 89 66 72 75 76 85 89 67 71 74 Temp 79 76 74 73 73 79 83 84 79 75 73 72 72 79 84 85 78 75 73 72 71 78 Dewpt 74 73 73 72 72 74 73 73 73 73 73 72 71 74 74 73 74 73 73 71 71 73 RH 85 90 97 97 97 85 72 70 82 94100100 97 85 72 67 88 94100 97100 85 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 4 4 3 3 8 11 12 10 4 4 4 4 8 11 11 9 4 4 3 3 6 Clouds B1 SC FW SC SC SC SC B1 SC SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 40 40 40 40 QPF 12hr 0.04 0.11-0.20 0.08-0.21 0.07-0.37 0.03-0.12 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS SC IS SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS Heat index 82 83 89 90 81 82 91 91 80 81 Max heat 100 93 100 98 91 102 100 89 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 71 85 71 85 71 86 72 87 Temp 85 75 72 78 85 75 72 79 85 76 72 80 86 76 73 80 87 77 Dewpt 73 73 71 74 73 73 72 74 73 73 72 74 73 73 72 75 66 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT LT Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 40 50 30 20 30 30 10 10 Rain shwrs SC SC SC SC SC SC SC SC IS IS IS SC SC IS IS IS IS IS Tstms IS IS $$ PRZ005-300800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 71 74 79 82 87 90 71 74 79 84 88 91 70 73 78 Temp 81 78 76 75 74 81 86 87 81 78 76 75 74 82 87 88 81 77 75 74 73 81 Dewpt 76 76 75 74 74 76 77 76 75 75 75 74 73 76 77 77 76 75 75 74 73 75 RH 85 94 97 97100 85 75 70 82 91 97 97 97 82 72 70 85 94100100100 82 Wind dir E E E E E E E NE E E E E E E E E E E E E SE E Wind spd 14 10 10 8 6 6 13 17 16 11 9 5 5 6 12 16 14 10 6 6 5 6 Wind gust 25 20 28 28 21 29 27 Clouds FW SC FW FW B1 B1 FW B1 SC SC SC SC SC FW FW B1 B1 FW FW FW FW FW PoP 12hr 40 30 10 40 5 QPF 12hr 0.03-0.10 0.11-0.33 0.02-0.11 0.05-0.77 0 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC SC IS IS IS IS IS SC SC IS Tstms IS IS Heat index 88 88 97 97 87 89 99100 87 87 Max heat 107 87 95 107 105 87 96 110 107 87 95 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 73 87 73 88 73 89 74 90 Temp 88 77 74 81 87 78 74 82 88 78 74 82 89 79 75 83 90 79 Dewpt 77 75 74 76 77 75 74 76 77 75 74 77 77 76 74 77 71 72 PWind dir E SE E SE E SE E SE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC B1 FW FW SC B1 FW FW SC SC FW FW SC SC FW FW FW SC PoP 12hr 60 5 70 5 40 20 20 5 10 Rain shwrs IS NM IS IS NM NM IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS $$ PRZ006-300800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 71 75 73 82 90 62 71 75 74 83 90 62 69 74 Temp 77 74 73 72 71 77 81 82 77 74 72 71 71 77 82 83 76 74 72 70 69 77 Dewpt 72 72 72 71 70 72 72 72 71 71 71 71 70 72 73 72 72 71 71 70 69 72 RH 85 93 97 97 97 85 74 72 82 90 97100 97 85 74 70 87 90 97100100 85 Wind dir NE NE E E E E E E E E E E E E E E E E E E E E Wind spd 10 4 4 3 3 5 10 11 11 5 4 4 3 5 10 10 8 5 4 3 3 4 Wind gust 23 25 27 23 27 25 20 Clouds SC SC CL FW SC FW FW B1 SC SC SC SC SC FW FW B1 B1 SC SC SC SC SC PoP 12hr 10 30 20 40 10 QPF 12hr 0.01-0.06 0.08-0.24 0.02-0.12 0.06-0.78 0.00-0.06 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC IS IS IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS Heat index 85 86 86 87 Max heat 101 91 100 98 92 104 101 90 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 70 82 70 82 70 84 71 84 Temp 82 74 71 77 82 74 71 77 82 74 71 78 84 75 72 79 84 75 Dewpt 72 71 70 72 72 71 71 72 72 71 71 73 72 72 71 73 66 70 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC B1 FW FW SC B1 FW FW SC SC FW FW SC SC PoP 12hr 50 10 60 5 50 20 20 5 10 Rain shwrs IS SC IS IS IS NM IS IS SC SC IS IS IS IS IS IS Tstms IS IS IS IS $$ PRZ007-300800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 74 79 73 86 92 61 74 80 74 86 92 61 73 79 Temp 81 77 76 74 74 81 85 86 80 77 76 74 74 81 85 86 80 77 75 74 73 80 Dewpt 74 73 72 71 70 71 71 72 73 72 72 71 70 71 72 73 74 73 71 70 70 71 RH 79 87 87 90 87 72 63 63 79 85 87 90 87 72 65 65 82 87 87 87 90 74 Wind dir E NE NE NE NE E E E E E NE NE NE E E SE SE E E E NE E Wind spd 10 6 5 4 4 5 11 13 12 8 5 5 4 5 13 12 9 6 5 4 4 4 Wind gust 26 25 31 27 20 28 28 24 Clouds B2 SC CL FW FW FW FW B1 SC FW SC SC FW FW FW B1 B1 FW FW FW FW SC PoP 12hr 10 40 10 40 5 QPF 12hr 0.01 0.08-0.44 0.01-0.09 0.05-0.66 0.00-0.07 Snow 12hr MM MM MM Rain shwrs NM IS IS IS SC IS IS IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS Heat index 86 84 90 92 85 84 91 92 84 83 Max heat 103 87 92 102 101 88 91 103 100 87 90 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 86 73 86 74 86 74 87 75 88 Temp 86 77 74 80 86 77 74 81 86 77 74 81 87 78 75 82 88 78 Dewpt 73 73 71 71 73 73 70 72 71 70 70 71 73 73 71 72 69 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT LT Avg clouds SC SC FW FW SC B1 FW FW SC SC FW FW SC SC FW FW SC SC PoP 12hr 40 5 50 5 40 10 20 20 20 Rain shwrs IS SC IS IS IS SC IS IS SC SC IS IS IS IS IS IS Tstms IS IS $$ PRZ008-300800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 73 78 83 86 91 69 73 79 84 87 91 67 71 78 Temp 80 77 75 74 73 80 85 86 80 76 75 73 73 80 86 87 79 76 74 72 71 80 Dewpt 75 75 74 73 72 74 76 76 75 75 74 73 72 74 76 77 76 75 74 72 71 74 RH 85 94 97 97 97 82 75 72 85 97 97100 97 82 72 72 91 97100100100 82 Wind dir NE E E E E E E NE E E E E E E E E E E E E E E Wind spd 16 14 12 9 9 9 13 16 17 14 11 8 6 8 11 13 12 10 8 9 8 8 Wind gust 26 24 19 19 27 28 28 21 26 26 Clouds FW SC FW CL SC SC FW B2 B1 FW FW FW FW FW FW B2 B2 SC SC SC SC FW PoP 12hr 30 50 5 60 10 QPF 12hr 0.02 0.19-0.56 0.01 0.30-0.80 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS SC SC NM NM IS IS IS IS Tstms IS IS IS Heat index 85 85 94 95 84 85 96 98 82 84 Max heat 104 85 92 106 104 86 91 108 104 85 92 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 71 85 72 86 72 87 73 88 Temp 86 76 73 79 85 76 73 80 86 76 73 81 87 77 74 81 88 77 Dewpt 77 75 72 74 76 75 73 74 76 75 73 74 77 75 73 75 71 72 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN GN GN LT Avg clouds SC B2 SC FW SC B2 SC SC SC B1 SC SC SC SC SC FW SC SC PoP 12hr 70 5 70 20 40 5 40 5 40 Rain shwrs NM NM IS IS NM NM IS IS SC SC IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ009-300800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 71 75 73 83 90 65 70 75 74 84 91 64 69 74 Temp 78 74 73 72 71 78 82 83 77 74 72 71 70 78 83 84 77 74 72 70 69 77 Dewpt 72 72 72 71 70 71 73 73 72 72 71 70 69 71 73 74 72 72 71 70 69 72 RH 82 93 97 97 97 79 74 72 85 93 97 97 97 79 72 72 85 93 97100100 85 Wind dir NE E E E E E E E E E E E E E E E E E E E E E Wind spd 9 8 5 4 4 4 8 9 9 6 5 4 3 4 6 5 4 4 4 4 3 3 Wind gust 16 25 27 20 17 26 26 Clouds B1 SC CL CL SC FW CL B2 B1 FW FW FW FW FW FW B2 B2 FW FW FW FW FW PoP 12hr 20 60 5 60 5 QPF 12hr 0.02 0.16-0.56 0.01 0.14-0.80 0 Snow 12hr MM MM MM Rain shwrs SC IS IS IS NM SC IS IS NM NM IS IS IS IS Tstms IS IS IS IS Heat index 86 88 88 90 Max heat 106 90 105 104 90 107 104 89 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 83 69 83 70 83 70 85 71 85 Temp 83 74 71 77 83 74 71 77 83 74 71 78 84 75 72 79 85 75 Dewpt 74 72 70 71 73 72 70 71 74 72 70 72 74 72 70 72 69 70 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 CL FW SC B1 FW FW SC B1 FW FW SC SC FW FW SC SC PoP 12hr 70 5 70 5 50 10 30 5 20 Rain shwrs NM NM NM NM IS IS SC SC IS IS IS SC IS IS IS IS Tstms IS IS IS IS IS IS $$ PRZ010-300800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 73 79 75 88 91 66 73 80 75 88 91 66 72 80 Temp 82 78 76 74 74 82 86 88 81 77 75 74 73 82 87 88 80 77 75 73 72 81 Dewpt 77 76 75 73 72 74 76 77 77 75 74 73 72 75 77 77 77 75 74 73 72 75 RH 85 94 97 97 93 77 72 70 88 94 97 97 97 79 72 70 91 94 97100100 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 12 10 6 6 6 6 6 9 11 10 6 5 6 5 5 4 6 5 6 6 5 Wind gust 21 28 26 20 18 20 19 20 23 27 25 18 17 18 18 16 17 21 16 Clouds B1 SC CL CL CL FW FW B2 B1 FW FW FW FW FW FW B2 B2 SC SC SC SC FW PoP 12hr 20 60 5 60 20 QPF 12hr 0.01-0.09 0.13-0.56 0.00-0.07 0.04-0.81 0.00-0.08 Snow 12hr MM MM MM Rain shwrs NM IS IS NM SC NM NM IS IS IS IS Tstms IS IS IS IS IS Heat index 89 88 97 99 88 88 99101 87 87 Max heat 108 87 94 109 107 88 94 110 107 88 92 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 72 88 73 89 73 90 74 90 Temp 88 77 73 81 88 77 74 82 89 78 74 82 90 78 75 83 90 79 Dewpt 77 75 73 74 77 75 73 74 77 75 73 75 77 75 73 75 72 72 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 FW FW SC B1 SC SC SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 70 5 70 20 50 10 50 10 30 Rain shwrs NM NM IS IS NM NM IS IS SC SC IS IS SC SC IS IS IS IS Tstms IS IS IS IS IS IS IS IS $$ PRZ011-300800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 71 74 79 84 89 90 71 74 79 85 90 91 70 73 79 Temp 82 78 76 74 74 82 87 89 83 79 76 75 74 83 89 90 82 78 76 74 73 82 Dewpt 76 76 74 73 72 73 73 75 76 75 73 73 72 73 74 75 75 75 74 72 71 72 RH 82 94 94 97 93 74 63 64 80 88 90 94 93 72 61 62 79 91 94 93 93 72 Wind dir E E E E E E E SE E E E E E E E SE E E E E E E Wind spd 8 9 4 4 4 4 12 14 11 12 8 6 6 6 14 16 9 8 9 6 5 4 Wind gust 28 32 25 26 31 31 20 23 Clouds B2 SC CL CL CL CL CL B1 SC FW FW FW FW FW FW B1 B1 FW FW FW FW FW PoP 12hr 20 50 5 30 10 QPF 12hr 0.02 0.12-0.54 0.01 0.05-0.54 0.01 Snow 12hr MM MM MM Rain shwrs NM IS SC SC IS IS SC SC IS IS IS IS IS Tstms IS Heat index 90 88 95 99 90 80 88 98100 88 88 Max heat 105 87 91 106 105 87 91 108 105 87 91 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 74 90 74 91 74 91 75 92 Temp 90 78 75 83 90 79 75 83 91 79 75 84 91 80 76 85 92 80 Dewpt 75 75 73 72 75 75 72 73 73 73 69 70 75 75 73 72 71 73 PWind dir E E E E E E E E SE Wind char GN LT GN LT GN LT GN LT LT Avg clouds SC SC CL FW SC SC FW FW FW SC FW FW SC SC FW FW SC SC PoP 12hr 40 5 30 0 30 10 30 20 20 Rain shwrs SC SC IS SC SC SC SC IS IS IS SC IS IS IS IS $$ PRZ012-300800- Culebra- Including the city of Culebra 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 87 78 85 87 91 77 Temp 84 82 81 80 80 84 86 87 83 80 79 78 78 83 87 87 82 80 79 78 77 83 Dewpt 77 76 76 76 75 76 76 76 77 76 76 76 76 77 77 76 77 76 76 76 76 76 RH 80 82 85 88 85 77 72 70 82 88 91 94 94 82 72 70 85 88 91 94 97 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 17 18 18 17 18 17 18 18 18 18 20 17 17 17 17 14 14 16 16 14 14 14 Clouds SC SC B1 B1 B1 SC SC B1 SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B2 PoP 12hr 40 40 40 40 50 QPF 12hr 0.11 0.21 0.20 0.15 0.12 Snow 12hr MM MM MM Rain shwrs SC IS SC SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 93 88 87 85 84 93 96 97 91 86 82 92 97 98 90 85 81 90 Max heat 102 90 95 102 101 90 95 104 102 90 94 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 77 87 78 88 78 88 79 89 Temp 87 80 78 83 87 81 79 84 88 81 79 84 88 82 79 85 89 82 Dewpt 76 76 76 76 76 76 76 76 76 76 76 77 76 76 76 77 73 74 PWind dir E E E E E E E E E Wind char GN GN GN BZ GN BZ GN GN GN Avg clouds B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 50 30 30 20 30 30 30 Rain shwrs SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC IS $$ PRZ013-300800- Vieques- Including the city of Vieques 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 79 86 74 77 80 87 73 75 79 Temp 83 81 80 79 79 83 85 86 82 79 78 77 77 82 86 87 81 79 77 76 75 82 Dewpt 76 75 75 75 75 75 75 75 75 75 75 75 75 76 75 75 76 75 76 75 74 75 RH 80 82 85 88 88 77 72 70 79 88 91 94 94 82 70 68 85 88 97 97 97 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 17 18 18 17 19 17 18 18 18 19 19 17 16 17 16 14 14 16 16 13 14 14 Clouds SC SC B1 B1 B1 SC SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 PoP 12hr 40 40 40 50 50 QPF 12hr 0.12-0.18 0.21 0.20 0.16-0.24 0.13 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 91 86 83 80 90 94 95 89 83 89 95 96 87 81 88 Max heat 98 89 92 97 97 88 92 99 98 87 91 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 76 87 76 88 76 88 77 89 Temp 87 79 77 82 87 79 77 83 87 80 77 83 88 80 78 84 89 81 Dewpt 75 75 75 75 75 74 75 75 75 75 75 76 75 75 75 76 72 74 PWind dir E E E E E E E E E Wind char GN GN GN BZ GN BZ GN GN GN Avg clouds B2 B2 B2 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 50 50 50 30 40 30 30 30 30 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS $$ VIZ001-300800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 79 81 86 70 78 81 85 86 91 69 77 81 Temp 83 81 80 80 80 83 85 86 83 80 79 78 78 83 85 86 82 80 78 78 77 82 Dewpt 76 75 75 75 75 75 75 75 75 75 76 76 75 76 75 75 76 75 76 75 75 75 RH 80 82 85 85 85 77 72 70 77 85 91 94 91 80 72 70 82 85 94 91 94 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 17 17 18 18 18 18 18 18 18 19 19 18 16 17 18 16 16 16 17 14 14 14 Clouds SC SC B1 B1 B1 SC SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 40 30 30 30 40 QPF 12hr 0.13-0.20 0.15 0.15 0.08 0.07 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC IS IS IS SC SC SC SC SC IS IS IS IS SC SC SC SC SC Heat index 91 87 85 84 83 91 94 95 90 85 83 81 90 95 95 88 84 81 89 Max heat 101 90 94 101 100 90 95 103 101 90 94 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 77 86 78 87 78 87 79 88 Temp 86 80 77 82 86 80 79 83 87 81 79 83 87 81 79 84 88 81 Dewpt 75 75 75 75 75 75 75 76 75 75 75 76 75 75 76 76 74 74 PWind dir E E E E E E E E E Wind char GN BZ BZ BZ BZ BZ GN BZ GN Avg clouds B1 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 30 30 30 20 30 30 30 Rain shwrs SC SC SC SC IS SC SC SC SC SC IS IS SC SC IS IS IS IS $$ VIZ002-300800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Tue Sep 29 2026 Date 09/29/26 Wed 09/30/26 Thu 10/01/26 Fri 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 78 86 73 75 79 87 73 76 79 Temp 83 80 79 78 78 83 85 86 82 78 77 76 75 82 86 87 81 79 78 77 76 82 Dewpt 76 76 76 76 75 76 76 76 76 76 76 76 75 77 77 76 77 76 76 76 75 76 RH 80 88 91 94 91 80 75 72 82 94 97100100 85 75 70 88 91 94 97 97 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 17 17 16 16 14 17 19 18 18 17 18 14 14 16 17 14 14 13 14 13 13 13 Clouds SC SC SC B1 B1 B1 B1 SC SC SC SC B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B2 PoP 12hr 40 40 40 40 50 QPF 12hr 0.17-0.22 0.20 0.11 0.15 0.10 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC SC IS SC SC SC SC IS SC SC SC SC SC SC SC SC SC Heat index 91 86 82 90 95 95 88 89 96 97 88 82 89 Max heat 102 88 95 103 101 87 94 105 102 88 94 Date 10/02 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 Tue 10/06/26 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 76 87 77 87 77 88 78 89 Temp 87 79 77 82 87 80 78 83 87 80 78 83 88 81 78 84 89 81 Dewpt 76 76 76 76 76 75 76 76 76 76 76 77 76 76 76 77 72 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 20 20 30 30 30 30 30 Rain shwrs SC SC SC SC IS IS IS IS IS SC SC SC SC SC SC SC IS IS $$