Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
982 FOCA52 TJSJ 061831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Sun Sep 6 2026 PRZ001-070800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 82 88 91 73 78 82 81 88 90 72 77 82 Temp 86 82 80 79 78 86 88 88 86 83 81 80 79 83 87 87 83 80 79 77 77 81 Dewpt 78 78 78 77 76 78 78 78 78 78 78 77 76 77 77 77 77 77 77 76 76 77 RH 77 88 94 94 94 77 72 72 77 85 91 91 91 82 72 72 82 91 94 97 97 88 Wind dir SE SE SE SE SE SE E SE SE E SE SE SE E E E E E E E E E Wind spd 11 6 5 4 5 5 12 16 12 8 6 5 8 8 14 16 13 9 9 8 8 11 Clouds B1 B1 FW SC SC SC FW B1 B2 FW SC FW SC B1 B1 B1 B1 SC SC SC SC B1 PoP 12hr 50 60 40 40 50 QPF 12hr 0.05-0.25 0.30-0.69 0.02-0.14 0.08-0.26 0.07 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS IS SC NM IS IS IS IS SC SC SC SC SC SC SC SC SC Tstms IS IS IS Heat index 98 91 86 83 81 99102102 99 93 88 85 82 93 99100 92 85 81 88 Max heat 111 97 105 112 111 97 99 110 108 93 95 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 77 88 77 88 78 88 77 88 Temp 85 79 77 84 88 81 78 84 88 81 78 83 88 80 78 83 87 80 Dewpt 78 77 76 76 76 76 76 77 77 76 76 76 75 75 75 76 70 72 PWind dir E E E E E E E E E Wind char GN GN GN LT GN GN GN GN GN Avg clouds B1 B1 SC B1 B1 SC SC SC FW FW FW FW FW SC SC SC SC SC PoP 12hr 50 40 40 10 10 5 20 20 30 Rain shwrs SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS IS $$ PRZ002-070800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 78 82 73 86 91 67 77 82 72 86 90 66 76 82 Temp 84 81 80 79 78 85 86 86 85 82 80 79 79 82 85 85 81 79 77 76 76 80 Dewpt 76 76 76 76 76 76 76 76 76 76 76 75 75 76 75 75 75 75 75 75 75 76 RH 77 85 88 91 94 75 72 72 75 82 88 88 88 82 72 72 82 88 94 97 97 88 Wind dir SE SE SE SE SE SE SE SE SE E E E E E E E E E E E E E Wind spd 9 8 8 6 6 8 12 14 11 10 10 11 11 11 13 13 12 10 12 12 11 13 Wind gust 19 25 20 21 21 20 24 24 23 24 Clouds B1 B1 SC SC B1 SC B1 B1 B1 B1 B1 SC B1 B1 B1 B1 B1 SC SC SC SC B2 PoP 12hr 40 40 50 50 60 QPF 12hr 0.15-0.30 0.21-0.42 0.10-0.16 0.11-0.26 0.08 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC SC SC NM Tstms IS IS IS Heat index 93 88 85 83 81 94 97 97 94 89 86 84 82 89 93 94 87 82 85 Max heat 105 95 101 105 105 96 95 102 101 92 94 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 76 87 77 87 78 87 77 85 Temp 83 78 76 82 87 80 78 83 87 81 78 83 87 80 78 82 84 80 Dewpt 76 75 75 75 75 75 75 76 75 75 74 75 74 74 74 74 73 72 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 60 40 40 30 20 10 30 30 30 Rain shwrs NM SC SC SC SC SC SC SC IS IS IS IS IS SC SC SC SC SC Tstms IS IS $$ PRZ003-070800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 76 86 91 69 77 82 76 86 90 68 76 82 Temp 84 81 80 79 78 84 86 86 84 82 80 79 78 82 85 86 81 79 77 76 76 80 Dewpt 76 76 76 76 75 76 76 76 76 76 76 75 75 75 75 74 74 74 74 74 74 75 RH 77 85 88 91 91 77 72 72 77 82 88 88 91 79 72 68 79 85 90 94 94 85 Wind dir SE E E E E E SE SE E E E E E E E E E E E E E E Wind spd 8 6 6 5 6 6 11 12 10 8 9 8 10 10 13 13 12 10 11 9 10 12 Wind gust 21 23 21 20 27 26 26 21 21 20 20 23 Clouds SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 PoP 12hr 40 30 30 30 60 QPF 12hr 0.12-0.29 0.08-0.23 0.02-0.10 0.01-0.12 0.03-0.08 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS SC SC SC IS IS IS SC IS IS IS IS IS IS IS IS NM Tstms IS Heat index 92 87 84 82 80 93 95 95 93 88 85 83 81 89 93 93 86 81 84 Max heat 107 94 103 106 106 96 99 104 102 91 93 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 76 86 77 86 77 86 76 85 Temp 83 78 76 82 86 80 77 82 86 80 77 82 86 79 77 82 84 79 Dewpt 74 75 74 75 75 75 75 75 74 74 74 74 73 73 73 73 71 72 PWind dir E NE E E E E E NE E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B2 B1 B1 B1 B1 B1 SC SC SC FW FW FW SC SC SC SC SC SC PoP 12hr 60 40 40 30 10 10 20 30 30 Rain shwrs SC SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS SC SC $$ PRZ004-070800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 75 79 75 85 91 69 74 78 75 85 90 68 73 77 Temp 82 79 77 76 75 83 85 85 83 79 78 77 76 80 84 84 79 76 75 73 73 78 Dewpt 75 75 75 75 74 76 76 75 75 75 75 74 74 75 74 74 74 74 74 73 73 75 RH 79 88 94 97 97 80 75 72 77 88 91 90 94 85 72 72 85 94 97100100 91 Wind dir SE SE SE SE SE SE SE SE SE E E E E E E E E E E E E E Wind spd 8 5 4 4 4 5 11 12 10 5 5 5 8 6 12 12 11 6 6 5 5 10 Clouds B1 B1 SC SC SC SC SC B1 B1 SC SC FW SC B1 B1 SC SC SC SC SC SC B2 PoP 12hr 50 50 40 40 60 QPF 12hr 0.08-0.29 0.14-0.49 0.02-0.14 0.04-0.24 0.07 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS IS SC SC IS IS IS SC SC SC SC SC IS IS IS IS NM Tstms IS IS Heat index 89 82 90 93 93 90 83 85 90 91 83 80 Max heat 106 91 102 108 105 92 97 103 101 85 91 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 73 85 74 85 74 85 73 84 Temp 81 76 74 80 85 77 75 80 85 77 75 80 85 77 74 80 83 77 Dewpt 74 74 73 74 73 73 74 75 74 74 73 74 73 73 72 74 68 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds B2 B1 B1 B1 B1 SC SC SC SC FW FW FW SC SC SC SC SC SC PoP 12hr 60 40 40 10 10 10 20 20 30 Rain shwrs SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS SC Tstms IS $$ PRZ005-070800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 83 88 91 73 76 82 83 88 90 72 75 82 Temp 85 81 79 78 77 85 88 88 85 82 80 78 78 83 87 87 82 79 77 76 76 81 Dewpt 79 78 77 76 75 78 79 79 79 78 77 76 75 78 78 78 78 77 76 76 76 77 RH 82 91 94 94 94 80 75 75 82 88 91 94 91 85 75 75 88 94 97100100 88 Wind dir E SE SE SE SE SE E E SE SE SE SE SE E E E E E E E E E Wind spd 4 6 4 3 4 4 9 12 5 6 6 5 6 8 13 17 16 10 9 8 8 10 Wind gust 17 25 20 24 31 31 Clouds B1 SC FW FW FW FW FW B1 OV FW FW CL SC FW FW SC SC SC SC SC SC SC PoP 12hr 10 70 5 20 20 QPF 12hr 0.01-0.07 0.60-1.13 0.01 0.02-0.12 0.02-0.07 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC NM IS IS IS IS IS IS IS IS IS IS Tstms IS IS Heat index 97 89 81 97104104 99 91 84 80 92100101 92 82 89 Max heat 113 95 105 113 112 97 99 110 108 93 96 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 75 89 76 89 76 89 75 88 Temp 85 79 76 83 88 80 77 84 89 80 77 84 89 80 76 82 87 79 Dewpt 78 77 76 76 75 75 76 77 77 76 75 77 75 75 74 76 69 72 PWind dir E E E E E E E E E Wind char BZ GN GN GN GN LT GN GN BZ Avg clouds SC SC FW SC SC SC FW FW FW FW CL CL FW FW FW FW FW SC PoP 12hr 40 20 30 0 5 0 10 0 20 Rain shwrs SC SC IS IS SC SC IS IS IS IS IS IS IS Tstms IS $$ PRZ006-070800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 65 74 78 73 82 90 65 73 77 72 82 89 65 72 76 Temp 80 77 75 74 74 80 82 82 81 78 76 75 74 78 81 82 78 75 73 73 72 77 Dewpt 74 74 74 73 73 74 74 74 74 74 74 73 73 74 73 73 73 72 72 72 71 73 RH 82 90 97 97 97 82 77 77 79 88 94 94 97 88 77 74 85 90 97 97 97 87 Wind dir SE SE SE SE SE SE SE SE SE E E E E E E E E E E E E E Wind spd 5 4 3 3 3 4 8 9 8 5 4 4 5 6 11 11 11 6 4 4 4 8 Wind gust 20 23 20 27 25 25 Clouds B1 SC FW FW SC SC FW B1 B2 FW FW CL SC FW FW SC SC SC SC SC SC SC PoP 12hr 20 60 5 10 20 QPF 12hr 0.01-0.15 0.10-1.13 0.01 0.01-0.11 0.01-0.06 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS IS SC NM IS IS IS IS IS IS IS IS IS IS Tstms IS IS Heat index 84 85 89 89 85 80 81 86 87 80 Max heat 107 90 101 107 106 91 95 104 102 83 90 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 80 72 83 73 83 73 83 72 82 Temp 80 75 73 79 83 76 73 79 83 76 73 79 83 75 73 78 82 75 Dewpt 73 73 72 73 73 73 72 74 73 72 72 73 71 71 71 72 64 69 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC FW FW SC SC FW FW FW FW CL FW FW FW SC FW FW SC PoP 12hr 40 10 30 0 0 0 10 10 30 Rain shwrs SC SC IS IS SC SC IS IS IS IS IS IS $$ PRZ007-070800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 65 77 82 73 86 92 65 76 82 72 86 91 65 75 82 Temp 83 80 79 78 77 84 86 86 84 81 79 78 77 82 85 86 81 78 77 76 75 80 Dewpt 75 75 74 74 74 74 75 75 75 75 74 73 72 73 74 73 74 73 72 72 71 72 RH 77 85 85 88 90 72 70 70 74 82 85 85 85 74 70 65 79 85 85 87 87 77 Wind dir SE E E E E E SE SE SE E E E E E E SE E E E E E E Wind spd 6 5 5 5 4 5 10 11 10 8 6 6 6 8 13 13 12 9 6 5 5 8 Wind gust 23 25 23 29 28 28 21 21 Clouds SC SC SC FW FW FW FW SC B1 FW FW CL SC CL CL FW FW CL CL CL CL FW PoP 12hr 20 30 5 5 5 QPF 12hr 0.01-0.12 0.06-0.74 0.01 0.00-0.29 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS SC IS IS IS IS Tstms IS Heat index 90 85 82 91 94 94 91 86 83 80 86 92 93 86 81 84 Max heat 105 94 99 106 106 95 93 104 103 91 92 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 75 87 76 86 76 87 75 86 Temp 84 78 76 82 87 79 76 82 86 79 76 82 87 79 76 81 85 78 Dewpt 73 72 72 72 72 72 73 72 72 73 71 71 72 71 70 70 70 70 PWind dir E E E E E E E NE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC FW FW FW SC CL CL FW FW CL FW FW FW FW FW FW SC PoP 12hr 30 0 30 0 5 0 5 5 20 Rain shwrs IS SC IS IS SC SC IS IS IS IS IS IS $$ PRZ008-070800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 75 82 84 87 92 71 74 82 83 86 91 70 73 82 Temp 83 79 77 76 76 84 87 87 84 80 78 77 76 81 85 86 81 77 76 74 74 80 Dewpt 78 77 76 75 74 76 78 78 78 77 76 75 74 76 77 78 77 76 75 74 74 76 RH 85 94 97 97 94 77 75 75 82 91 94 94 94 85 77 77 88 97 97100100 88 Wind dir NE SE SE SE SE E E NE E SE E E E E E NE E E E E E E Wind spd 3 3 3 2 2 4 5 9 3 3 3 4 6 8 11 17 16 9 10 8 9 11 Wind gust 20 31 31 20 Clouds OV SC FW FW FW FW FW B1 OV SC CL CL FW CL CL SC SC SC SC SC SC FW PoP 12hr 10 80 5 30 10 QPF 12hr 0.01 0.83-1.13 0.01 0.03-0.55 0.02 Snow 12hr MM MM MM Rain shwrs NM IS SC D IS IS SC SC IS IS IS IS Tstms IS IS Heat index 93 83 92100101 94 85 88 96 98 88 85 Max heat 109 94 99 111 110 94 95 109 107 92 94 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 74 87 75 88 74 89 74 86 Temp 85 78 75 82 87 78 76 82 88 79 75 83 89 78 75 81 85 77 Dewpt 78 76 74 74 73 73 74 76 76 76 74 75 75 75 73 74 71 72 PWind dir E E E E E E E E E Wind char BZ GN GN GN GN LT GN GN BZ Avg clouds SC B1 FW FW SC B1 FW FW FW SC CL CL FW SC CL CL FW SC PoP 12hr 50 10 60 0 40 0 40 0 30 Rain shwrs SC SC IS IS IS NM IS IS SC SC SC SC SC SC Tstms IS IS IS IS $$ PRZ009-070800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 78 73 84 92 66 72 77 72 83 91 65 71 75 Temp 80 77 75 74 74 81 84 84 81 78 76 74 74 79 82 83 78 75 73 72 72 78 Dewpt 74 74 74 73 72 74 75 76 75 74 74 73 72 73 74 75 74 73 72 71 71 73 RH 82 90 97 97 93 79 74 77 82 88 94 97 93 82 77 77 88 94 97 97 97 85 Wind dir SE SE SE SE SE SE SE SE SE SE E E E E E E E E E E E E Wind spd 3 3 3 3 3 3 6 5 3 4 4 4 4 5 8 8 6 4 5 4 4 5 Wind gust 23 24 21 27 27 19 19 Clouds B1 FW SC FW FW FW FW B1 OV FW CL CL FW CL CL B1 B1 FW FW FW FW FW PoP 12hr 10 70 5 40 10 QPF 12hr 0.01 0.12-1.13 0 0.03-0.76 0.01 Snow 12hr MM MM MM Rain shwrs SC IS SC NM SC SC IS IS IS IS Tstms IS IS IS IS Heat index 85 85 92 92 86 81 88 90 81 Max heat 109 88 97 111 110 89 93 108 106 90 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 71 84 73 84 72 85 71 83 Temp 82 75 72 79 84 76 73 79 84 76 73 80 85 76 72 78 83 75 Dewpt 75 73 72 72 72 72 72 73 74 73 72 72 71 72 71 71 67 69 PWind dir E E E E E E E E E Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC CL FW SC B1 CL CL FW SC CL CL FW SC CL CL SC B1 PoP 12hr 60 0 60 0 40 0 20 0 60 Rain shwrs SC SC NM NM SC SC IS IS NM NM Tstms IS IS IS IS IS IS $$ PRZ010-070800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 76 82 75 89 92 68 75 82 75 89 91 67 74 82 Temp 85 81 79 77 77 85 89 89 85 81 79 77 77 83 87 88 82 78 76 75 75 82 Dewpt 78 77 77 75 74 77 79 79 78 78 77 75 74 76 78 78 78 77 75 74 74 75 RH 80 88 94 94 90 77 73 73 80 91 94 94 90 80 75 72 88 97 97 97 97 79 Wind dir NE E E E E E SE E E E E E E E E E E E E E E E Wind spd 4 4 4 5 4 5 6 6 6 6 6 6 6 8 6 8 5 6 9 6 8 8 Wind gust 16 17 17 19 19 20 20 19 20 21 21 24 25 24 21 21 20 26 23 24 19 Clouds B1 FW SC FW FW FW FW B1 B2 FW CL CL FW CL CL B1 B1 SC SC SC SC CL PoP 12hr 10 70 5 50 10 QPF 12hr 0.01 0.05-1.13 0.01 0.01-0.90 0.00-0.08 Snow 12hr MM MM MM Rain shwrs SC IS IS SC D IS SC SC IS IS IS IS Tstms IS IS IS IS Heat index 96 87 80 95105105 97 88 81 91100103 92 80 88 Max heat 113 93 103 116 114 94 98 112 110 93 95 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 74 89 75 90 75 91 74 89 Temp 87 79 75 83 89 80 76 84 90 80 76 84 91 79 75 83 86 79 Dewpt 78 77 74 73 73 73 75 76 78 76 74 75 76 75 73 74 72 72 PWind dir E E E E E E E E E Wind char GN GN GN LT LT LT LT GN LT Avg clouds SC B1 FW FW SC B1 FW FW FW SC CL CL FW SC CL CL SC SC PoP 12hr 60 5 60 5 40 0 30 0 60 Rain shwrs NM NM IS IS NM NM IS IS SC SC SC SC SC SC Tstms IS IS IS IS IS IS $$ PRZ011-070800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 77 82 85 91 92 74 76 82 85 90 91 72 74 82 Temp 86 82 80 78 78 86 91 91 86 82 80 78 78 84 89 90 83 79 77 75 75 83 Dewpt 76 77 77 76 75 76 77 76 77 77 76 75 74 74 75 76 76 75 74 73 72 72 RH 72 85 91 94 91 72 64 62 75 85 88 91 88 72 64 64 80 88 90 94 90 70 Wind dir SE E E E E E SE SE SE E E E E E E SE E E E E E E Wind spd 12 10 8 9 8 10 13 16 13 12 12 11 9 11 17 16 10 13 10 8 8 8 Wind gust 24 21 21 27 29 26 28 26 25 19 25 33 32 25 28 23 20 19 Clouds FW FW SC FW FW FW FW SC SC FW CL CL FW CL CL SC SC FW FW FW FW CL PoP 12hr 30 20 5 20 0 QPF 12hr 0.02 0.05-0.40 0.01 0.02-0.55 0 Snow 12hr MM MM MM Rain shwrs IS SC IS IS IS IS IS IS Heat index 96 89 83 96104103 97 90 84 80 92 99101 92 82 88 Max heat 111 93 100 113 111 94 94 109 108 91 91 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 91 76 91 76 92 75 90 Temp 88 79 76 84 91 80 77 85 91 81 77 85 92 80 76 84 87 80 Dewpt 76 76 73 72 72 73 74 74 75 75 72 72 75 75 72 71 73 73 PWind dir E E E E SE E E E E Wind char BZ GN BZ GN BZ GN GN LT GN Avg clouds FW SC FW FW FW SC CL CL FW FW CL CL FW FW FW FW FW SC PoP 12hr 20 0 30 0 5 0 5 0 30 Rain shwrs IS IS SC SC IS IS IS IS SC SC $$ PRZ012-070800- Culebra- Including the city of Culebra 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 85 88 92 81 85 89 92 79 Temp 86 84 83 82 82 86 88 88 86 84 83 82 82 86 88 89 85 82 81 80 79 83 Dewpt 79 78 78 78 78 79 78 79 79 78 78 78 77 78 78 78 78 77 78 77 78 78 RH 80 82 85 88 88 80 72 75 80 82 85 88 85 77 72 70 80 85 91 91 97 85 Wind dir SE SE SE SE E SE E E SE E E E E E E E E E E E E E Wind spd 12 13 16 13 13 13 16 17 17 17 17 18 17 19 19 18 18 18 19 20 20 20 Clouds B1 SC B1 B1 B1 B1 B1 B1 SC B1 B1 SC B1 SC SC SC SC SC SC SC SC B2 PoP 12hr 40 40 40 30 50 QPF 12hr 0.19 0.17 0.11 0.08 0.06 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS IS SC Heat index 98 95 93 91 91 98101102 99 95 93 91 91 97101102 96 90 88 84 84 94 Max heat 107 99 103 106 107 99 100 105 105 93 96 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 79 89 81 90 81 90 81 90 Temp 86 81 79 85 89 84 81 86 90 84 81 86 90 84 82 86 84 84 Dewpt 78 78 78 77 77 77 77 78 78 77 77 77 77 76 76 76 74 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 50 30 40 20 10 10 30 30 40 Rain shwrs SC SC SC SC SC SC IS IS IS IS IS IS IS IS SC IS SC SC $$ PRZ013-070800- Vieques- Including the city of Vieques 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 81 85 89 91 79 Temp 86 83 82 81 81 86 88 88 86 84 83 82 81 85 88 89 84 82 80 79 79 83 Dewpt 76 76 77 77 76 77 77 76 76 77 77 76 76 76 76 75 75 76 76 76 76 77 RH 72 80 85 88 85 75 70 68 72 80 82 82 85 75 68 64 74 82 88 91 91 82 Wind dir SE SE SE SE SE SE SE E SE E E E E E E E E E E E E E Wind spd 10 12 14 12 12 13 14 16 14 16 16 18 17 18 18 18 18 18 19 20 19 20 Clouds B1 SC SC B1 B2 B1 B1 B1 B1 B1 B1 SC B1 SC SC SC SC SC SC SC SC B2 PoP 12hr 50 40 40 30 60 QPF 12hr 0.19 0.16-0.22 0.11 0.08 0.08 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC NM Tstms IS Heat index 95 92 90 89 88 97100 99 96 93 91 89 88 96 99 99 93 88 86 82 82 92 Max heat 103 95 101 104 102 96 98 102 101 92 94 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 78 90 80 90 80 90 80 90 Temp 86 81 79 85 90 83 81 86 90 83 81 86 90 83 81 86 84 83 Dewpt 76 76 76 76 76 76 76 76 75 75 75 75 74 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 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 40 40 20 10 10 30 30 30 Rain shwrs NM SC SC SC SC SC IS IS IS IS IS IS IS SC SC SC SC SC $$ VIZ001-070800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 85 88 92 76 80 82 85 88 92 75 78 82 Temp 85 83 82 81 81 85 87 87 85 83 82 81 81 85 87 88 84 81 80 79 79 83 Dewpt 77 77 77 77 77 78 77 76 77 77 77 77 77 77 76 75 76 76 77 77 77 77 RH 77 82 85 88 88 80 72 70 77 82 85 88 88 77 70 66 77 85 91 94 94 82 Wind dir SE SE E SE SE E SE SE E E E E E E E E E E E E E E Wind spd 12 16 14 16 14 14 17 17 17 18 19 19 18 18 19 19 17 20 21 21 20 21 Clouds B1 B1 B2 B2 B1 B1 B1 SC SC SC SC SC B1 SC SC SC SC SC SC SC SC B1 PoP 12hr 50 40 30 30 50 QPF 12hr 0.29 0.14 0.09 0.06 0.06 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC IS IS IS SC SC SC SC IS IS IS IS IS IS SC Heat index 94 92 90 88 88 96 98 98 95 92 90 88 88 94 98 98 92 88 85 82 82 91 Max heat 106 96 103 107 106 96 99 105 103 92 95 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 78 89 80 89 80 89 80 89 Temp 85 81 79 85 89 83 80 86 89 83 81 85 89 83 81 85 82 83 Dewpt 76 77 77 76 76 76 76 77 75 76 76 76 74 75 75 75 74 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 SC SC SC SC SC SC SC FW FW FW FW SC SC SC SC SC SC PoP 12hr 50 30 30 20 10 10 20 20 30 Rain shwrs SC IS IS SC SC IS IS IS IS IS IS IS IS IS IS IS IS SC $$ VIZ002-070800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Sun Sep 6 2026 Date 09/06/26 Mon 09/07/26 Tue 09/08/26 Wed 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 88 92 80 85 89 92 76 78 82 Temp 85 83 82 81 81 85 88 88 85 83 82 81 81 85 88 88 84 81 80 79 79 83 Dewpt 77 78 78 78 78 78 78 77 77 78 78 77 77 77 77 76 76 77 77 77 77 77 RH 77 85 88 91 91 80 72 70 77 85 88 88 88 77 70 68 77 88 91 94 94 82 Wind dir SE SE E E E E E E E E E E E E E E E E E E E E Wind spd 10 12 11 12 12 13 16 17 14 16 17 14 16 18 18 19 17 18 19 18 18 19 Clouds SC SC B1 B2 B2 B1 SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC B2 PoP 12hr 50 40 30 30 50 QPF 12hr 0.26 0.12 0.06 0.05 0.07 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS IS SC Heat index 96 93 91 89 88 97100100 96 93 91 89 88 95 99100 93 89 86 80 80 92 Max heat 107 96 103 108 106 97 99 106 105 92 95 Date 09/09 Thu 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 09/13/26 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 78 90 80 90 80 90 80 90 Temp 86 81 78 85 89 83 80 86 90 83 81 86 90 83 81 86 86 83 Dewpt 77 77 77 77 77 77 77 77 76 77 76 76 75 76 76 76 72 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 SC B1 B1 SC SC SC SC FW FW FW FW SC SC SC SC SC SC PoP 12hr 50 40 30 20 10 10 20 20 30 Rain shwrs SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS SC $$