Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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344 FOCA52 TJSJ 052045 AFMSJU Area Forecast Matrices...RESENT National Weather Service San Juan PR 445 PM AST Sat Sep 5 2026 PRZ001-060800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 78 82 84 91 93 74 78 82 85 92 94 75 79 83 Temp 85 82 80 79 78 86 90 91 86 82 80 79 78 86 91 92 86 83 81 80 79 86 Dewpt 78 77 77 77 76 77 78 78 78 77 77 77 76 78 78 78 78 77 77 77 76 77 RH 80 85 91 94 94 75 68 66 77 85 91 94 94 77 66 64 77 82 88 91 91 75 Wind dir E SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E E E E Wind spd 12 8 6 5 5 6 10 12 11 6 5 5 4 8 12 16 12 9 6 8 10 12 Clouds B1 SC SC SC SC SC SC B2 B2 SC SC FW FW FW FW B2 B2 SC SC SC SC B1 PoP 12hr 20 50 10 60 40 QPF 12hr 0.02-0.17 0.70-0.97 0.01-0.08 0.30-0.69 0.03-0.15 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC SC SC IS IS IS IS IS IS NM NM IS IS IS IS SC Tstms IS IS IS IS IS Heat index 97 90 86 82 81 97105106 98 91 87 83 82 98106107 99 92 89 84 83 97 Max heat 113 95 103 116 115 96 105 117 116 97 102 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 79 91 79 89 78 91 78 91 Temp 90 82 80 86 91 82 80 85 89 81 79 86 91 82 79 86 88 79 Dewpt 77 76 76 77 78 77 76 77 78 77 76 77 77 77 76 76 71 72 PWind dir E E E E E SE SE SE E Wind char GN LT GN GN GN GN GN GN GN Avg clouds B1 B1 SC B1 B1 B1 SC SC SC SC SC SC FW FW FW FW FW SC PoP 12hr 40 50 50 40 40 10 0 0 20 Rain shwrs SC SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS $$ PRZ002-060800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 78 82 75 88 93 68 78 83 75 89 94 68 79 83 Temp 84 81 80 79 78 84 88 88 84 81 80 79 78 85 88 89 85 82 80 79 79 84 Dewpt 76 75 76 75 75 76 76 76 76 75 76 75 75 76 76 76 76 76 76 75 75 75 RH 77 82 88 88 91 77 68 68 77 82 88 88 91 75 68 66 75 82 88 88 88 74 Wind dir E SE SE SE E SE SE SE SE SE SE SE E E SE SE E E E E E E Wind spd 11 9 9 9 9 10 11 11 9 8 8 8 8 10 12 13 11 10 9 11 11 12 Wind gust 19 19 24 21 Clouds B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 60 40 40 50 QPF 12hr 0.11-0.26 0.73 0.06-0.13 0.21-0.42 0.10-0.15 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS IS IS IS Heat index 93 87 85 82 81 93 98 99 93 88 85 82 82 94 99100 94 89 86 83 83 93 Max heat 106 95 99 108 107 94 100 109 108 95 99 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 79 88 79 88 78 88 78 88 Temp 88 82 79 84 88 81 79 84 88 81 78 83 88 81 79 84 84 79 Dewpt 75 75 75 75 76 75 75 76 76 75 75 75 75 75 74 75 72 72 PWind dir E E E E E E SE E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 B1 SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC FW SC SC SC PoP 12hr 50 50 50 40 40 20 10 20 30 Rain shwrs SC SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS SC $$ PRZ003-060800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 70 78 82 78 88 93 70 78 82 79 89 94 71 78 83 Temp 84 81 80 78 78 84 87 88 84 81 80 79 78 84 88 89 84 82 80 79 78 84 Dewpt 77 76 76 76 75 77 77 76 77 76 76 76 75 77 77 76 77 76 76 75 75 76 RH 80 85 88 94 91 80 72 68 80 85 88 91 91 80 70 66 80 82 88 88 91 77 Wind dir E E E E E E SE SE SE E E E E E SE SE E E E E E E Wind spd 10 8 8 6 6 9 10 11 10 6 6 6 6 9 12 12 10 8 8 9 11 12 Wind gust 21 20 23 20 24 25 21 21 25 Clouds SC SC SC SC SC B1 B1 SC B1 SC SC FW SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 40 30 30 30 QPF 12hr 0.03-0.24 0.07-0.71 0.01-0.11 0.08-0.23 0.02-0.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC SC SC IS IS IS IS SC SC SC SC SC SC SC SC IS Tstms IS IS Heat index 94 87 84 82 81 93 99 99 93 87 85 82 81 94100101 94 88 85 83 82 93 Max heat 111 95 103 111 110 95 105 113 112 95 102 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 88 78 88 77 87 77 88 Temp 88 81 79 84 88 81 79 84 88 80 78 83 87 80 78 83 83 79 Dewpt 75 75 75 76 76 75 75 76 76 75 75 76 76 75 75 75 72 72 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC FW PoP 12hr 30 20 30 30 30 20 10 10 30 Rain shwrs IS IS IS IS IS SC SC SC IS IS IS IS IS IS IS IS IS $$ PRZ004-060800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 75 79 77 87 93 70 75 79 78 88 94 70 76 79 Temp 82 79 77 76 75 82 86 87 82 79 77 76 75 83 87 88 83 79 78 77 76 82 Dewpt 75 75 75 74 74 75 75 75 75 75 75 74 74 75 75 75 75 75 75 74 73 75 RH 79 88 94 94 97 79 70 68 79 88 94 94 97 77 68 66 77 88 91 90 90 79 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE E E SE SE E E E E E E Wind spd 10 5 5 4 4 8 10 11 9 4 4 4 4 8 11 12 10 6 5 5 9 11 Clouds SC SC SC SC SC SC B1 B1 B1 FW SC FW FW SC SC B1 B1 SC SC SC SC B1 PoP 12hr 30 40 20 50 40 QPF 12hr 0.03-0.22 0.33-0.73 0.01-0.09 0.15-0.50 0.03-0.14 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC SC SC IS IS IS IS IS IS SC SC SC SC SC SC SC Tstms IS IS IS IS Heat index 89 82 89 96 96 89 82 90 96 97 90 83 90 Max heat 106 90 101 109 107 91 102 111 109 91 99 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 75 87 75 87 74 86 74 87 Temp 87 79 76 82 87 79 76 82 87 78 75 81 86 78 75 82 83 76 Dewpt 74 74 73 75 75 74 74 75 75 74 74 75 74 74 73 74 70 71 PWind dir E E E E E E SE E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds B1 SC SC SC SC B1 SC SC SC SC SC SC SC FW FW FW SC SC PoP 12hr 40 20 40 30 30 10 10 10 20 Rain shwrs SC SC IS SC SC SC SC SC IS IS IS IS IS IS IS IS IS $$ PRZ005-060800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 93 74 77 82 85 91 94 75 77 82 Temp 84 81 79 78 77 85 90 91 85 81 79 78 77 85 90 91 85 82 80 78 78 85 Dewpt 79 78 77 76 75 78 78 79 79 78 77 76 75 78 79 79 79 78 77 76 75 78 RH 85 91 94 94 94 80 68 68 82 91 94 94 94 80 70 68 82 88 91 94 91 80 Wind dir E SE SE SE SE SE E E E SE SE SE SE E E E E E E E E E Wind spd 10 8 6 5 4 5 8 8 6 5 5 4 5 4 9 14 8 6 8 6 8 10 Wind gust 21 19 19 27 20 Clouds B1 FW CL FW FW FW FW B2 B2 FW FW CL FW FW FW B2 B2 SC SC SC SC SC PoP 12hr 5 60 5 70 5 QPF 12hr 0.02 0.86-1.02 0.01 0.60-1.13 0.01-0.06 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS SC NM IS IS NM NM IS IS IS IS IS Tstms IS IS IS IS IS Heat index 97 88 82 96105107 97 89 82 97106108 99 90 85 96 Max heat 111 95 103 116 115 95 104 118 116 96 102 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 77 91 77 89 77 91 76 91 Temp 90 81 78 85 91 81 78 84 89 81 78 85 91 81 77 85 89 80 Dewpt 78 76 75 77 78 77 76 78 78 77 76 77 78 77 75 77 70 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN GN LT GN Avg clouds SC SC SC SC B1 SC SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 20 30 40 20 20 0 5 0 10 Rain shwrs IS IS IS IS SC SC IS IS IS IS IS IS IS $$ PRZ006-060800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 74 78 75 85 93 64 73 78 75 85 93 65 74 78 Temp 80 77 75 74 74 80 84 85 80 77 75 74 74 80 84 85 81 78 76 75 74 81 Dewpt 74 74 74 73 72 74 74 74 74 74 74 73 72 74 74 74 74 74 74 73 72 74 RH 82 90 97 97 93 82 72 70 82 90 97 97 93 82 72 70 79 88 94 94 93 79 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE E E SE SE SE E E E E E Wind spd 6 4 4 3 3 5 8 9 8 4 4 3 3 4 9 10 9 4 4 4 5 8 Wind gust 19 14 20 21 18 23 24 20 16 21 Clouds B1 FW FW FW FW SC SC B1 B1 FW FW CL CL FW FW B2 B2 SC SC SC SC SC PoP 12hr 10 50 5 60 5 QPF 12hr 0.02 0.13-1.00 0.01 0.10-1.13 0.02 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC SC IS IS NM NM IS IS IS IS IS Tstms IS IS IS IS IS Heat index 84 84 91 92 84 85 92 93 86 80 85 Max heat 111 90 102 114 111 90 102 112 111 90 99 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 74 85 74 85 73 84 73 85 Temp 85 77 74 80 85 77 74 80 85 77 74 80 84 76 74 80 83 75 Dewpt 73 73 73 73 73 73 73 74 74 73 73 74 73 73 72 73 66 69 PWind dir E E E E E E SE E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 10 10 10 10 5 0 0 0 10 Rain shwrs IS IS IS IS IS IS IS IS IS IS $$ PRZ007-060800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 77 82 75 88 93 64 77 82 75 89 94 65 77 82 Temp 83 80 79 77 77 83 87 88 83 80 79 78 77 84 88 89 84 81 79 78 77 84 Dewpt 76 75 74 74 73 74 76 75 75 75 74 74 73 74 75 75 76 75 74 73 72 73 RH 80 85 85 90 87 74 70 66 77 85 85 88 87 72 66 64 77 82 85 85 85 70 Wind dir SE E E E E E SE SE SE E E E E E SE SE SE E E E E E Wind spd 8 6 6 5 5 6 11 10 8 6 6 6 6 6 11 11 9 5 6 5 5 9 Wind gust 20 17 18 17 18 24 23 20 17 17 17 17 18 25 26 21 16 18 16 18 24 Clouds SC FW CL CL CL FW FW SC SC FW FW CL CL FW FW B1 B1 SC SC SC SC FW PoP 12hr 5 30 5 30 5 QPF 12hr 0.01 0.03-0.74 0.01 0.06-0.74 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC IS IS SC SC IS IS IS IS Tstms IS IS IS Heat index 91 85 82 90 97 97 91 85 82 91 98 99 92 86 83 80 90 Max heat 109 95 98 111 108 94 99 111 109 94 97 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 77 89 77 88 76 88 76 88 Temp 88 80 78 84 89 81 78 83 88 80 77 83 88 79 77 83 85 78 Dewpt 74 74 72 73 74 74 73 73 75 74 73 74 74 74 73 73 70 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN GN LT GN Avg clouds FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 0 0 0 0 0 0 0 5 Rain shwrs IS IS IS IS IS IS $$ PRZ008-060800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 75 82 85 89 93 71 75 82 85 89 94 72 76 82 Temp 83 79 77 76 75 83 88 89 83 79 77 76 75 84 88 89 84 80 78 77 76 84 Dewpt 78 77 76 75 74 76 77 77 77 77 76 75 74 76 77 78 78 77 76 75 74 76 RH 85 94 97 97 97 80 70 68 82 94 97 97 97 77 70 70 82 91 94 94 94 77 Wind dir E SE SE SE SE E E E NE SE SE SE SE E E NE E E E E E E Wind spd 8 5 5 5 3 4 4 4 4 4 4 3 3 3 5 10 3 5 5 8 6 9 Wind gust 18 21 Clouds B2 FW CL FW FW CL FW B2 OV FW FW CL CL FW FW OV OV FW FW FW FW FW PoP 12hr 5 80 5 70 5 QPF 12hr 0.02 1.02 0.01 0.82-1.13 0.01 Snow 12hr MM MM MM Rain shwrs NM IS IS IS NM D IS NM NM IS IS IS IS Tstms IS IS IS IS IS Heat index 93 83 91100102 92 83 92101103 94 85 80 92 Max heat 108 95 98 114 109 93 99 114 112 94 98 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 76 89 76 89 75 89 75 89 Temp 89 80 76 83 89 80 77 83 89 79 76 83 89 79 76 83 87 80 Dewpt 77 76 74 75 77 77 75 76 78 76 74 76 77 76 74 75 71 72 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC B1 FW FW SC SC FW FW SC SC FW FW SC SC PoP 12hr 30 10 60 10 50 0 40 0 40 Rain shwrs SC IS IS IS IS NM IS SC SC IS SC SC IS IS SC SC Tstms IS IS IS IS $$ PRZ009-060800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 67 73 77 75 86 93 67 73 78 75 86 94 67 74 78 Temp 80 77 75 74 73 80 84 86 80 77 75 74 73 81 85 86 81 78 76 74 74 81 Dewpt 75 74 74 73 72 74 75 75 74 74 74 73 72 74 75 75 75 74 74 73 71 73 RH 85 90 97 97 97 82 74 70 82 90 97 97 97 79 72 70 82 88 94 97 90 77 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE E E SE E E SE E E E E Wind spd 3 4 4 4 3 4 6 5 3 4 4 4 4 3 6 4 3 4 4 4 4 4 Wind gust 17 14 17 16 13 17 24 24 20 16 16 14 16 17 25 25 20 17 14 16 Clouds B2 CL CL CL CL FW FW B1 B2 FW CL CL CL FW FW OV OV FW FW FW FW FW PoP 12hr 0 70 5 80 5 QPF 12hr 0 0.14-1.02 0 0.12-1.13 0.01 Snow 12hr MM MM MM Rain shwrs NM SC NM D D Tstms IS IS IS IS IS Heat index 85 85 93 94 85 86 94 95 87 85 Max heat 109 89 97 112 109 89 98 113 111 91 97 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 73 86 73 85 72 86 Temp 86 77 74 81 86 77 74 80 86 77 74 80 85 76 73 80 85 76 Dewpt 75 73 72 73 74 74 72 73 75 74 72 73 74 73 72 72 65 69 PWind dir E E E E E E SE E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW SC SC FW FW SC SC FW FW SC SC FW FW SC SC PoP 12hr 40 10 30 0 20 0 20 0 20 Rain shwrs SC SC IS IS IS SC IS IS IS IS IS IS Tstms IS IS $$ PRZ010-060800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 76 82 77 91 93 69 76 82 78 91 94 70 76 82 Temp 84 80 78 77 76 84 89 91 85 81 79 77 77 85 90 91 85 81 79 77 77 84 Dewpt 78 77 76 75 74 76 78 78 78 77 76 75 74 76 78 78 78 77 77 75 74 76 RH 82 91 94 94 94 77 70 66 80 88 91 94 90 75 68 66 80 88 94 94 90 77 Wind dir NE SE E E E E SE SE E SE E E E E SE E E E E E E E Wind spd 5 4 8 6 5 6 6 6 5 4 5 6 6 6 6 5 5 4 6 8 5 5 Wind gust 17 21 19 20 20 21 23 19 20 20 21 21 21 19 18 21 17 23 20 17 Clouds B1 FW FW FW FW FW FW B1 B2 FW CL CL CL FW FW B2 B2 FW FW FW FW FW PoP 12hr 5 60 5 60 5 QPF 12hr 0.00-0.11 0.02-1.03 0.01 0.05-1.13 0 Snow 12hr MM MM MM Rain shwrs NM IS SC NM IS NM NM Tstms IS IS IS IS IS Heat index 96 87 80 94104105 96 87 80 95105107 97 88 81 93 Max heat 111 94 103 122 113 93 105 120 116 94 102 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 76 91 76 89 76 91 75 91 Temp 90 80 77 85 91 81 77 84 89 80 77 84 91 80 76 84 87 81 Dewpt 78 77 74 75 77 77 74 76 78 77 75 76 78 76 74 75 71 73 PWind dir E E E E E E E E E Wind char LT LT GN LT LT GN LT LT GN Avg clouds SC B1 SC SC SC SC FW FW SC SC FW FW SC SC FW FW SC SC PoP 12hr 50 10 50 0 40 0 30 0 30 Rain shwrs SC SC IS IS NM NM IS SC SC IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS $$ PRZ011-060800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 92 93 74 77 82 85 93 94 75 77 82 Temp 85 81 79 78 78 86 91 92 86 82 80 78 78 86 91 93 86 82 80 78 78 85 Dewpt 79 78 77 75 74 76 78 78 78 78 77 75 74 76 78 78 78 78 77 75 74 75 RH 82 91 94 91 88 72 66 64 77 88 91 91 88 72 66 62 77 88 91 91 88 72 Wind dir E E E E E E SE SE SE E E E E E SE SE SE E E E E E Wind spd 11 9 12 11 10 11 14 14 13 11 10 10 11 11 14 16 12 10 11 11 9 10 Wind gust 24 19 26 24 21 24 27 28 26 25 21 23 24 23 29 31 25 23 25 25 21 25 Clouds FW FW CL CL CL FW FW SC SC FW CL CL FW FW FW SC SC FW FW FW FW FW PoP 12hr 0 20 5 20 5 QPF 12hr 0 0.03-0.55 0.01 0.05-0.40 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS Heat index 98 89 83 95106107 98 90 83 96107109100 91 84 80 94 Max heat 111 94 99 112 111 94 99 114 113 95 97 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 91 77 93 77 90 76 92 76 92 Temp 91 81 78 86 93 81 78 84 90 80 77 86 92 81 77 86 87 82 Dewpt 78 77 74 74 78 78 74 75 78 77 75 75 78 77 74 75 73 74 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN BZ GN BZ Avg clouds SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 20 0 5 0 5 0 0 0 5 Rain shwrs IS IS IS IS IS IS IS $$ PRZ012-060800- Culebra- Including the city of Culebra 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 85 88 94 82 85 89 94 82 Temp 86 84 82 82 82 86 88 88 86 84 83 82 82 86 88 89 86 84 83 82 82 86 Dewpt 78 78 78 78 77 78 77 78 78 78 78 78 77 78 78 78 79 78 78 77 77 77 RH 77 82 88 88 85 77 70 72 77 82 85 88 85 77 72 70 80 82 85 85 85 75 Wind dir E E E E E SE SE SE SE SE E E E E E SE E E E E E E Wind spd 13 13 14 16 16 14 13 13 13 14 16 14 14 17 16 16 16 16 18 18 17 18 Clouds SC B1 B1 B1 SC B1 B2 B2 B2 B1 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC PoP 12hr 40 50 50 40 40 QPF 12hr 0.22 0.73 0.13 0.16 0.09 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC Tstms IS IS IS IS Heat index 98 94 92 91 90 97100102 98 94 93 91 91 98101103 99 95 93 92 91 97 Max heat 109 98 104 110 109 101 105 110 110 100 103 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 82 89 82 88 81 88 82 88 Temp 89 84 82 86 89 84 82 86 88 83 82 85 88 84 82 86 84 83 Dewpt 78 77 77 78 78 78 77 78 78 78 77 77 78 77 76 77 74 75 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B1 B1 SC SC SC SC SC SC FW SC FW FW SC SC PoP 12hr 30 40 40 30 30 10 10 10 30 Rain shwrs SC SC IS SC SC SC SC SC SC IS IS IS IS IS IS IS SC $$ PRZ013-060800- Vieques- Including the city of Vieques 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 93 81 Temp 85 83 82 81 81 85 88 89 86 83 82 81 81 86 88 89 86 84 83 82 81 86 Dewpt 76 76 76 76 76 76 75 75 76 76 76 76 76 77 76 76 76 76 76 76 76 76 RH 75 80 82 85 85 75 66 64 72 80 82 85 85 75 68 66 72 77 80 82 85 72 Wind dir E E E E E SE SE SE SE E E E E E E E E E E E E E Wind spd 12 13 14 14 16 14 12 11 11 13 13 13 14 16 14 14 14 16 17 19 17 17 Clouds SC B2 B1 B1 B1 B1 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 50 60 50 40 40 QPF 12hr 0.25 0.74 0.13 0.16-0.22 0.09 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS Heat index 95 91 90 88 87 95 98 99 95 92 90 89 88 96 99100 96 92 91 89 88 96 Max heat 103 94 99 105 104 94 100 106 105 95 100 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 81 89 81 89 81 89 81 89 Temp 89 84 82 86 89 84 82 86 89 83 81 85 89 83 81 86 84 83 Dewpt 75 75 76 76 75 76 76 77 75 76 76 76 75 75 75 75 74 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 B1 B1 B1 B1 SC SC SC SC FW SC FW SC SC SC PoP 12hr 30 40 40 30 30 10 10 20 30 Rain shwrs SC IS SC SC SC SC SC SC SC IS IS IS IS IS IS IS SC $$ VIZ001-060800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 81 83 85 87 94 76 81 83 85 88 94 76 81 83 Temp 85 83 82 81 81 85 87 87 85 83 82 81 81 85 87 88 85 83 82 81 81 85 Dewpt 76 76 77 77 77 77 76 76 76 76 77 77 77 77 76 76 76 76 77 76 76 76 RH 75 80 85 88 88 77 70 70 75 80 85 88 88 77 70 68 75 80 85 85 85 75 Wind dir E E E E E SE SE SE SE E E E E E E E E E E E E E Wind spd 13 14 16 17 16 14 14 14 16 16 16 14 16 17 17 16 14 17 20 19 17 17 Clouds FW B1 B1 B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B1 SC PoP 12hr 50 40 50 40 30 QPF 12hr 0.21 0.11-0.73 0.13 0.14 0.07 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC Tstms IS IS Heat index 94 91 89 88 87 94 97 97 94 91 90 88 88 95 98 98 95 92 90 88 88 95 Max heat 107 96 102 108 106 96 103 109 108 96 102 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 81 88 81 87 80 87 81 88 Temp 88 83 81 85 88 83 81 85 87 82 81 85 87 83 81 85 83 82 Dewpt 75 76 76 76 76 76 76 77 76 76 76 76 75 76 75 75 73 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B1 SC SC SC SC FW FW FW FW FW FW FW FW SC PoP 12hr 30 40 40 30 30 0 0 0 30 Rain shwrs SC IS IS SC SC IS IS IS SC IS IS SC $$ VIZ002-060800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 445 PM AST Sat Sep 5 2026 Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 77 81 83 85 88 94 81 85 89 94 81 Temp 85 83 82 81 81 85 87 88 85 83 82 81 81 85 88 89 85 83 82 81 81 85 Dewpt 77 77 77 77 77 77 77 77 77 77 78 77 77 78 77 77 77 77 77 77 77 77 RH 77 82 85 88 88 77 72 70 77 82 88 88 88 80 70 68 77 82 85 88 88 77 Wind dir E E E E E E SE SE SE E E E E E E E E E E E E E Wind spd 12 12 12 14 13 13 13 13 12 11 12 12 12 16 16 17 16 13 17 17 14 16 Clouds SC B1 SC SC SC B1 B2 SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC PoP 12hr 40 50 40 30 30 QPF 12hr 0.14 0.11-0.43 0.12 0.12 0.05 Snow 12hr MM MM MM Rain shwrs IS SC IS IS IS SC SC SC SC SC SC SC SC SC SC IS IS IS IS IS IS SC Heat index 95 92 90 88 88 96100100 95 92 91 89 89 97101101 96 93 91 89 88 96 Max heat 109 95 103 110 109 97 104 111 109 96 103 Date 09/08 Wed 09/09/26 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 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 81 88 81 88 80 88 81 88 Temp 88 83 81 85 88 83 81 85 88 83 80 85 88 83 81 85 86 81 Dewpt 76 77 76 77 77 77 77 77 77 77 77 77 76 77 76 76 72 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B1 SC SC SC SC SC SC SC FW FW FW FW SC SC PoP 12hr 30 40 40 30 30 10 0 10 30 Rain shwrs SC IS IS SC SC IS IS SC SC IS IS IS IS IS SC $$