Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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406 FOCA52 TJSJ 261831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Sat Sep 26 2026 PRZ001-270800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 77 82 83 90 92 74 78 82 83 88 91 73 77 82 Temp 85 81 79 78 77 85 89 90 84 81 80 79 78 84 87 88 84 80 79 78 77 83 Dewpt 76 76 76 76 75 77 77 77 77 77 77 76 76 77 77 77 76 76 76 76 76 77 RH 75 85 91 94 94 77 68 66 80 88 91 91 94 80 72 70 77 88 91 94 97 82 Wind dir SE SE SE SE SE SE E E E E SE E E E E E E E E E E E Wind spd 6 5 5 4 4 5 10 13 12 8 6 4 5 9 12 14 13 8 5 6 5 6 Wind gust 24 25 24 Clouds B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 20 40 30 40 30 QPF 12hr 0.05-0.17 0.26-0.43 0.01-0.08 0.11-0.25 0.03-0.11 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC SC SC IS IS IS IS SC SC SC SC SC SC SC SC IS Tstms IS IS Heat index 94 88 83 80 95101103 95 88 84 81 80 94100101 93 86 81 93 Max heat 112 93 101 113 111 93 99 110 108 93 98 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 87 75 87 76 88 75 89 Temp 88 80 77 82 87 78 76 82 87 80 77 83 88 79 76 83 89 80 Dewpt 77 76 76 77 76 76 75 77 76 76 76 77 76 76 75 76 71 72 PWind dir E E E E E SE E SE E Wind char GN GN GN LT GN LT GN LT GN Avg clouds SC SC B1 SC SC B1 B1 SC SC SC SC SC SC B2 B2 B2 B1 B1 PoP 12hr 30 30 40 30 30 30 50 50 50 Rain shwrs IS IS SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC SC Tstms IS IS $$ PRZ002-270800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 78 82 74 87 92 68 78 82 75 86 90 68 77 82 Temp 84 81 79 78 78 83 86 87 83 81 79 78 78 83 86 86 82 80 79 78 77 83 Dewpt 74 74 75 75 75 76 75 75 75 75 75 75 75 76 75 75 75 74 75 75 75 76 RH 72 79 88 91 91 80 70 68 77 82 88 91 91 80 70 70 79 82 88 91 94 80 Wind dir SE E E E E E E E E E E E E E E E E E E E E E Wind spd 8 5 6 6 6 9 11 11 10 9 8 8 9 10 12 12 11 9 9 8 6 10 Wind gust 21 20 20 Clouds SC SC B1 SC B2 B1 B1 SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 50 40 50 50 QPF 12hr 0.08-0.25 0.28-0.33 0.09 0.25 0.13 Snow 12hr MM MM MM Rain shwrs IS IS SC SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 91 86 83 81 80 91 96 97 91 86 83 81 80 90 95 95 89 85 82 90 Max heat 103 92 98 105 103 92 97 102 101 92 96 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 76 85 73 86 76 86 76 87 Temp 86 79 77 81 85 77 74 80 85 79 77 82 86 79 77 82 87 79 Dewpt 75 74 74 75 74 74 74 75 74 74 74 75 74 74 74 75 73 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC B1 B2 B1 B1 B1 PoP 12hr 50 50 40 40 40 40 50 50 50 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS $$ PRZ003-270800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 77 82 77 87 92 69 77 82 78 86 90 69 76 82 Temp 83 80 79 78 77 83 86 87 83 80 79 78 77 82 85 86 82 79 78 77 76 82 Dewpt 74 74 74 74 74 75 74 74 75 75 75 75 74 75 74 74 73 74 75 74 74 75 RH 74 82 85 88 90 77 68 65 77 85 88 91 90 79 70 68 74 85 91 90 94 79 Wind dir SE E NE E NE E E SE E E E E E E E E E E NE NE NE NE Wind spd 6 5 5 5 6 8 10 10 10 8 8 6 8 10 12 12 11 8 6 6 6 8 Wind gust 21 21 21 21 24 24 24 Clouds FW FW SC SC SC SC B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 30 40 30 40 40 QPF 12hr 0.03-0.20 0.16-0.32 0.02-0.09 0.13-0.25 0.05-0.13 Snow 12hr MM MM MM Rain shwrs IS IS SC IS IS SC SC IS IS SC IS IS IS SC SC IS IS SC SC SC SC SC Heat index 90 84 82 89 94 95 89 84 82 89 94 94 87 83 80 89 Max heat 105 91 98 107 106 92 97 104 103 92 96 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 75 85 73 86 76 86 75 87 Temp 87 79 76 81 85 77 74 80 85 79 77 82 86 78 76 82 87 79 Dewpt 74 74 74 73 73 73 73 74 72 74 74 74 73 74 74 74 71 72 PWind dir E NE E E E E E E E Wind char GN GN GN GN GN LT GN LT GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC PoP 12hr 40 30 30 30 30 30 50 50 30 Rain shwrs SC IS SC SC IS SC SC SC IS IS SC IS IS SC SC SC SC IS $$ PRZ004-270800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 74 77 77 86 91 69 74 78 77 85 89 69 74 77 Temp 82 78 76 75 74 81 85 86 81 78 76 75 74 81 84 85 80 77 75 74 74 81 Dewpt 73 73 73 73 72 75 74 74 74 74 74 73 73 75 74 73 73 73 74 73 73 75 RH 74 85 90 94 93 82 70 68 79 88 94 94 97 82 72 67 79 87 97 97 97 82 Wind dir SE E E E E E E SE E E E E E E E E E E E E E E Wind spd 5 3 3 3 3 6 10 10 9 5 4 3 5 9 11 11 10 5 3 4 3 4 Clouds SC FW SC SC B1 SC B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 30 40 30 30 30 QPF 12hr 0.05-0.22 0.25-0.38 0.01-0.09 0.12-0.25 0.04-0.13 Snow 12hr MM MM MM Rain shwrs IS IS SC IS SC SC SC SC SC IS IS IS IS SC SC IS IS SC SC SC SC SC Heat index 86 80 86 93 93 86 80 86 92 92 84 86 Max heat 102 87 97 105 103 88 96 102 100 85 94 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 72 84 71 85 73 85 72 86 Temp 85 76 73 79 84 75 72 78 84 76 74 80 85 76 73 80 86 76 Dewpt 74 73 73 74 73 73 71 74 73 73 73 74 73 73 72 74 69 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC B1 SC SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 30 30 30 30 30 30 50 50 40 Rain shwrs SC IS SC SC SC SC SC SC IS IS SC IS SC SC SC SC SC SC Tstms IS $$ PRZ005-270800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 75 82 84 89 92 73 76 82 83 88 90 72 75 82 Temp 84 80 78 76 75 83 88 89 83 80 78 77 76 83 87 88 82 79 77 76 75 82 Dewpt 76 76 75 74 73 77 78 78 77 76 76 75 74 77 78 78 76 76 75 75 75 77 RH 77 88 91 94 94 82 72 70 82 88 94 94 94 82 75 72 82 91 94 97100 85 Wind dir S SE SE SE SE SE E NE E E SE SE SE E E E E E E E E E Wind spd 3 2 5 4 3 4 8 11 9 8 6 4 4 6 11 16 16 11 6 4 6 8 Wind gust 24 19 28 28 Clouds OV B1 FW FW FW FW FW B2 B2 SC FW FW FW FW FW B1 B1 FW FW FW FW FW PoP 12hr 40 70 20 40 5 QPF 12hr 0.04 0.27-1.65 0.02 0.11-0.61 0.01 Snow 12hr MM MM MM Rain shwrs D SC IS IS NM SC IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS IS IS Heat index 92 84 92101103 92 84 92100101 90 81 91 Max heat 112 93 100 113 112 93 99 110 108 93 97 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 74 86 73 87 75 88 74 89 Temp 87 78 75 81 86 77 74 81 87 78 75 82 88 78 75 82 89 79 Dewpt 78 76 75 77 77 75 74 76 77 75 75 77 77 76 74 76 73 72 PWind dir E E E E E E E SE E Wind char GN GN GN LT GN LT GN LT GN Avg clouds SC SC SC FW SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 40 10 30 20 40 10 40 30 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC SC SC Tstms IS IS IS $$ PRZ006-270800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 72 77 74 83 92 64 73 77 75 83 90 64 72 76 Temp 79 76 74 73 72 79 82 83 79 76 74 73 73 79 82 83 79 75 74 73 72 79 Dewpt 72 72 72 71 70 73 73 73 73 72 72 72 71 73 73 72 72 72 72 72 72 73 RH 79 87 93 93 93 82 74 72 82 87 93 97 93 82 74 70 79 90 93 97100 82 Wind dir S SE E E E E SE SE SE E E E E E E E E E E E E E Wind spd 2 2 3 2 2 4 6 6 5 4 3 3 3 6 9 10 9 5 3 2 3 4 Wind gust 20 20 20 23 23 Clouds B2 SC SC FW FW FW SC B2 B2 SC FW FW FW SC SC B1 B1 SC SC SC SC FW PoP 12hr 10 50 10 30 10 QPF 12hr 0.03 0.21-1.57 0.01 0.11-0.54 0.00-0.05 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS IS SC SC IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS IS Heat index 82 82 88 89 82 82 88 89 81 81 Max heat 105 85 97 107 105 86 97 104 102 83 95 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 71 82 70 83 71 83 71 84 Temp 83 75 72 77 81 73 71 77 83 75 72 78 83 74 72 78 84 75 Dewpt 73 72 71 72 71 71 70 72 71 72 71 73 72 71 71 72 67 69 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT LT Avg clouds SC SC SC FW SC SC SC SC SC SC FW FW SC B1 SC SC SC SC PoP 12hr 30 10 20 20 20 0 40 30 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC IS IS SC $$ PRZ007-270800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 76 82 74 87 93 64 76 82 75 86 91 63 75 82 Temp 82 79 78 76 76 82 86 87 82 79 78 77 76 82 85 86 81 78 77 76 75 81 Dewpt 73 73 72 71 71 72 73 73 74 73 73 72 71 72 73 74 73 72 72 71 71 72 RH 74 82 82 85 85 72 65 63 77 82 85 85 85 72 67 68 77 82 85 85 87 74 Wind dir SE E NE NE NE E SE SE SE E E E NE E E SE E E NE NE NE NE Wind spd 5 4 4 3 3 4 10 9 8 5 4 4 4 6 9 10 11 8 4 4 4 4 Wind gust 21 23 21 21 24 26 19 Clouds SC FW FW FW FW CL FW SC B1 FW FW FW FW FW FW B1 B1 FW FW FW FW FW PoP 12hr 5 30 10 30 5 QPF 12hr 0.01 0.12-0.85 0.01 0.11-0.59 0.02 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS Heat index 88 83 80 87 92 94 88 83 80 87 92 93 86 81 86 Max heat 104 91 95 105 104 92 93 103 101 91 92 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 85 73 85 75 86 74 87 Temp 86 77 75 80 85 76 74 80 85 78 76 81 86 77 75 81 87 78 Dewpt 74 72 71 71 72 72 71 71 71 72 71 71 73 73 71 72 71 72 PWind dir E NE E E E E E E E Wind char GN LT GN LT GN LT GN LT LT Avg clouds SC B1 FW FW SC SC FW FW SC SC FW FW FW SC FW SC SC SC PoP 12hr 50 5 30 5 30 0 10 10 10 Rain shwrs IS NM IS IS IS IS IS IS IS SC IS IS IS IS IS IS Tstms IS IS $$ PRZ008-270800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 74 82 84 87 92 71 74 82 83 86 90 71 74 82 Temp 82 78 76 75 74 82 86 87 82 78 76 75 74 81 85 86 81 78 76 75 74 81 Dewpt 74 75 74 73 72 74 76 77 76 76 75 73 73 75 77 77 76 75 74 73 73 75 RH 77 91 94 94 93 77 72 72 82 94 97 94 97 82 77 75 85 91 94 94 97 82 Wind dir E SE SE SE SE E NE NE E E E SE E E E NE E E E E E E Wind spd 5 4 3 4 2 3 5 5 6 6 6 5 5 6 9 12 13 13 9 6 6 9 Wind gust 25 26 26 19 Clouds OV B1 SC FW FW CL FW OV OV B1 FW CL CL CL CL B2 B2 FW FW FW FW CL PoP 12hr 50 80 40 70 0 QPF 12hr 0.04 0.92-1.67 0.04 0.49-0.63 0 Snow 12hr MM MM MM Rain shwrs D SC IS D D SC NM NM Tstms IS IS IS IS IS IS IS Heat index 88 87 96 98 88 80 87 96 98 87 87 Max heat 106 91 93 108 106 92 94 107 104 92 94 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 73 85 72 86 73 86 72 87 Temp 86 77 74 80 85 76 73 80 86 77 74 80 86 77 73 81 87 77 Dewpt 77 75 73 74 76 75 72 74 76 75 73 74 76 75 73 74 73 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN LT LT Avg clouds SC B1 FW FW SC B1 FW FW SC B1 SC SC SC B2 B1 SC SC B1 PoP 12hr 60 5 60 5 60 20 60 30 50 Rain shwrs NM NM IS IS NM NM IS IS NM NM IS IS NM NM SC SC SC SC Tstms IS IS IS IS IS IS IS IS IS IS $$ PRZ009-270800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 72 77 74 84 92 67 73 77 75 84 90 66 72 76 Temp 80 76 74 73 72 79 83 84 79 76 74 73 73 79 83 84 79 75 74 73 72 79 Dewpt 71 72 72 70 69 71 73 74 73 73 73 71 70 72 74 74 73 72 72 71 71 72 RH 74 87 93 90 90 77 72 72 82 90 97 93 90 79 74 72 82 90 93 93 97 79 Wind dir E SE SE SE SE E E E E E E E E E E E E E E E E E Wind spd 4 3 3 3 2 3 4 4 3 3 3 3 3 3 4 5 5 5 4 3 3 4 Wind gust 21 20 23 Clouds OV SC FW FW FW CL FW OV OV SC CL CL CL CL CL B2 B2 CL CL CL CL CL PoP 12hr 10 80 20 70 0 QPF 12hr 0.01 0.23-1.68 0.02 0.14-0.63 0 Snow 12hr MM MM MM Rain shwrs D IS D D IS NM NM Tstms IS IS IS IS IS Heat index 82 82 89 91 82 82 89 91 81 81 Max heat 106 86 93 108 107 86 92 106 105 90 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 71 82 69 83 71 84 70 84 Temp 84 75 71 77 82 73 70 77 83 75 72 78 84 74 71 78 84 75 Dewpt 74 72 71 71 73 72 70 71 73 72 70 72 73 72 70 71 70 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 CL SC B1 CL CL SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 70 0 60 0 60 5 50 5 60 Rain shwrs NM NM NM NM NM NM IS IS SC SC IS IS NM SC Tstms IS IS IS IS IS IS IS IS IS IS $$ PRZ010-270800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 75 82 76 89 92 69 75 82 76 88 91 68 74 82 Temp 84 80 78 76 76 83 88 89 83 80 78 76 76 83 87 88 82 79 77 75 74 82 Dewpt 76 75 75 73 72 74 76 77 77 76 75 74 73 75 77 78 77 76 75 73 73 75 RH 77 85 91 90 87 74 68 68 82 88 91 94 90 77 72 72 85 91 94 94 97 79 Wind dir NE E E E E E E NE E E E E E E E E E E E E E E Wind spd 5 6 5 6 4 5 4 5 5 6 5 4 4 4 5 6 5 9 6 5 5 6 Wind gust 18 18 18 18 17 17 17 17 21 17 19 18 Clouds B2 SC FW FW FW CL FW B2 B2 B1 FW FW CL CL CL B2 B2 FW FW FW FW FW PoP 12hr 20 70 40 70 0 QPF 12hr 0.00-0.07 0.02-1.68 0.03 0.11-0.63 0.00-0.07 Snow 12hr MM MM MM Rain shwrs NM IS IS D D SC NM NM SC SC SC SC Tstms IS IS IS IS IS IS Heat index 92 84 91 99102 92 84 90 99101 90 80 89 Max heat 108 92 97 111 109 93 97 109 107 93 94 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 73 87 72 87 74 88 73 89 Temp 88 78 74 81 87 77 73 81 87 78 75 82 88 78 74 82 89 78 Dewpt 78 76 73 75 77 75 73 75 77 75 73 75 77 75 73 74 72 73 PWind dir E E E E E E E E E Wind char LT GN LT LT LT LT LT LT LT Avg clouds SC B1 FW FW SC B1 FW FW SC B1 B1 SC SC B1 SC SC SC B1 PoP 12hr 70 0 60 5 60 30 50 20 60 Rain shwrs NM NM NM NM IS IS NM NM SC SC NM NM IS IS NM SC Tstms IS IS IS IS IS IS IS IS IS IS $$ PRZ011-270800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 77 82 85 91 92 74 77 82 89 72 75 82 Temp 85 81 79 78 77 85 90 91 85 81 79 78 77 84 88 89 83 79 77 76 75 83 Dewpt 75 75 74 74 72 73 75 75 76 76 75 74 72 73 75 76 76 75 74 73 72 73 RH 72 82 85 88 85 67 62 60 75 85 88 88 85 70 66 66 80 88 90 90 90 72 Wind dir E E E E E E SE SE E E E E E E E SE E E E NE NE NE Wind spd 9 8 6 8 6 8 11 12 10 8 6 6 5 5 10 14 11 11 10 5 5 3 Wind gust 20 25 25 21 23 29 27 23 25 Clouds SC FW FW FW FW CL FW SC SC SC FW FW FW FW FW SC SC FW FW FW FW FW PoP 12hr 5 20 10 20 5 QPF 12hr 0.01 0.09-0.65 0.02 0.10-0.56 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS Heat index 94 87 81 92100102 94 87 82 91 98100 91 82 89 Max heat 107 91 94 109 108 92 93 107 105 92 92 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 74 88 73 88 75 89 75 90 Temp 89 78 75 82 88 78 74 82 88 79 76 83 89 79 76 83 90 80 Dewpt 76 75 73 72 74 74 72 73 74 75 72 72 75 75 73 73 74 74 PWind dir E NE E E E E E E E Wind char LT LT GN LT GN LT GN LT GN Avg clouds SC B1 FW FW SC SC FW FW SC SC FW FW SC SC FW FW SC SC PoP 12hr 60 10 30 5 40 0 20 10 10 Rain shwrs NM NM IS IS IS SC IS IS IS SC IS IS IS IS IS IS Tstms IS IS IS $$ PRZ012-270800- Culebra- Including the city of Culebra 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 85 89 92 81 85 89 91 80 Temp 86 84 82 81 81 86 88 89 86 83 82 81 81 86 88 89 85 83 81 80 80 84 Dewpt 77 76 77 76 77 77 77 77 78 77 77 77 77 77 77 77 77 76 77 76 77 77 RH 75 77 85 85 88 75 70 68 77 82 85 88 88 75 70 68 77 80 88 88 91 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 10 12 12 12 14 12 11 13 14 16 16 17 13 14 17 14 14 18 16 14 17 Clouds SC SC SC SC B1 B1 B2 B1 SC B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 50 50 40 40 40 QPF 12hr 0.16 0.33 0.09 0.20 0.12 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 96 92 90 88 88 97101102 97 92 90 89 88 96100101 96 91 88 86 86 95 Max heat 104 93 99 106 105 93 98 103 103 93 96 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 79 87 77 87 80 88 80 88 Temp 88 82 79 84 87 80 78 83 87 82 81 84 87 82 81 85 88 82 Dewpt 77 76 76 76 76 76 76 77 76 76 76 77 76 76 76 76 75 75 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ GN GN GN Avg clouds B1 B1 B1 B1 SC B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 40 40 40 40 30 20 40 40 40 Rain shwrs SC SC SC SC SC SC SC SC SC IS IS IS SC SC SC SC SC SC $$ PRZ013-270800- Vieques- Including the city of Vieques 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 85 89 91 80 89 79 Temp 86 84 82 81 81 86 88 89 86 83 82 81 80 85 88 89 85 82 81 80 79 84 Dewpt 75 75 76 75 76 76 76 76 76 75 76 76 76 76 76 75 76 75 76 75 76 76 RH 70 74 82 82 85 72 68 66 72 77 82 85 88 75 68 64 75 79 85 85 91 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 9 9 12 12 13 13 12 10 13 16 14 14 16 13 16 17 14 14 17 14 13 17 Clouds SC SC B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 40 50 40 50 50 QPF 12hr 0.19 0.31 0.09 0.20-0.25 0.13 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 95 91 89 87 87 96 99100 95 91 89 87 87 95 99 99 94 89 87 85 84 94 Max heat 102 92 98 103 102 92 98 102 101 92 95 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 79 87 76 87 79 88 79 89 Temp 88 82 79 84 87 79 77 82 87 81 80 84 87 82 80 84 89 81 Dewpt 75 75 75 76 75 75 75 76 75 75 75 76 75 75 75 76 75 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ GN GN GN Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC B1 B1 B1 SC B1 PoP 12hr 50 50 40 40 30 20 40 40 40 Rain shwrs SC SC SC SC SC SC SC SC SC IS IS IS SC SC SC SC SC SC $$ VIZ001-270800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 80 82 85 89 92 72 80 82 85 88 91 72 79 82 Temp 85 83 82 81 80 85 88 89 85 83 81 80 80 85 88 88 85 82 81 80 79 84 Dewpt 76 75 76 76 76 77 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 RH 75 77 82 85 88 77 68 66 75 80 85 88 88 75 68 68 75 82 85 88 91 77 Wind dir SE E E E E E E E E E E E E E E E E E E E E E Wind spd 10 12 13 12 13 13 13 12 12 14 16 17 17 13 14 16 14 17 17 17 16 17 Clouds SC SC SC B1 B1 SC B1 B1 SC B1 SC B1 SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 40 30 30 QPF 12hr 0.14-0.24 0.29 0.08 0.13-0.18 0.08 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC IS SC SC SC SC IS SC SC IS IS IS IS SC SC SC SC IS Heat index 94 90 88 87 86 95 99 99 95 90 88 87 86 95 98 99 94 89 87 85 84 93 Max heat 105 92 99 105 104 92 98 104 103 92 96 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 79 86 78 87 79 88 79 88 Temp 87 82 79 83 86 81 79 83 87 81 80 84 87 81 80 84 88 82 Dewpt 76 75 75 76 75 76 76 76 75 76 76 76 75 75 75 76 74 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ GN GN GN Avg clouds SC SC SC SC SC SC B1 SC SC SC SC SC SC B1 SC B1 SC SC PoP 12hr 20 20 30 30 20 20 40 30 30 Rain shwrs IS IS IS IS IS SC SC SC IS IS IS IS IS SC SC SC SC IS $$ VIZ002-270800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Sat Sep 26 2026 Date 09/26/26 Sun 09/27/26 Mon 09/28/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 85 89 92 80 85 89 91 79 Temp 86 83 82 81 80 86 88 89 85 83 82 81 80 85 88 89 85 82 81 80 79 84 Dewpt 77 76 77 77 77 77 77 77 77 77 77 77 76 77 77 76 77 76 77 76 77 77 RH 75 80 85 88 91 75 70 68 77 82 85 88 88 77 70 66 77 82 88 88 94 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 11 10 11 11 11 12 13 13 13 12 16 14 11 14 14 13 14 14 16 13 13 16 Clouds B2 SC B2 B2 B2 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 30 30 30 30 QPF 12hr 0.20 0.24 0.08 0.13-0.18 0.07 Snow 12hr MM MM MM Rain shwrs SC IS SC NM SC IS IS IS IS SC IS SC SC IS IS IS IS SC SC SC SC IS Heat index 96 92 90 88 87 97102101 96 91 89 87 86 96100100 95 90 87 84 84 94 Max heat 106 93 101 108 107 93 100 106 105 92 97 Date 09/29 Wed 09/30/26 Thu 10/01/26 Fri 10/02/26 Sat 10/03/26 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 78 87 76 87 79 88 79 89 Temp 88 81 79 83 87 80 77 82 87 81 80 84 88 82 80 84 89 81 Dewpt 76 76 76 76 76 76 76 77 76 76 76 76 76 76 76 76 70 74 PWind dir E E E E E E E E E Wind char GN BZ BZ BZ BZ GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC PoP 12hr 20 20 20 20 20 40 40 20 20 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS SC SC SC IS IS IS IS $$