Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
359 FOCA52 TJSJ 210631 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 AM AST Mon Sep 21 2026 PRZ001-212000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 90 92 73 77 83 83 90 92 73 77 83 83 90 92 Temp 77 85 89 90 85 81 79 78 77 84 89 90 84 81 79 78 77 84 89 90 84 81 Dewpt 75 76 76 77 77 76 76 76 75 77 77 77 77 76 76 76 75 77 77 77 77 76 RH 94 75 66 66 77 85 91 94 94 80 68 66 80 85 91 94 94 80 68 66 80 85 Wind dir SE SE E E SE SE SE SE SE SE E E E SE SE SE SE E E E E SE Wind spd 3 4 10 12 9 5 4 3 4 5 10 12 11 8 4 5 5 6 11 14 12 8 Wind gust 23 25 Clouds SC SC FW SC B1 SC FW SC FW SC SC B2 B2 SC SC SC SC B1 B1 SC SC SC PoP 12hr 50 40 60 40 30 QPF 12hr 0.30-0.56 0.11-0.22 0.42-0.70 0.13-0.23 0.10 Snow 12hr MM MM MM Rain shwrs IS SC IS SC SC SC IS SC IS SC SC NM NM SC SC SC SC SC SC SC SC IS Tstms IS IS IS IS IS Heat index 94101101 94 87 82 94102101 94 86 82 94101100 94 86 Max heat 99 110 108 93 100 111 110 93 100 111 110 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 90 77 91 77 91 77 90 Temp 78 85 90 81 78 85 91 81 78 85 91 81 78 85 90 81 Dewpt 76 77 77 76 76 77 76 76 76 77 77 76 76 77 77 76 PWind dir SE SE SE E SE E SE E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC B1 SC SC SC SC FW FW FW FW CL FW SC SC PoP 12hr 20 40 30 30 5 5 30 30 Rain shwrs IS IS SC SC SC SC SC SC IS IS IS IS SC SC IS Tstms IS IS $$ PRZ002-212000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 88 92 67 77 83 75 88 92 67 77 83 75 88 92 Temp 77 83 87 88 83 80 79 78 77 83 87 88 83 80 79 78 77 83 87 88 83 80 Dewpt 74 74 74 74 74 74 75 74 74 75 75 74 75 74 75 74 74 75 75 75 75 75 RH 90 74 65 63 74 82 88 88 90 77 68 63 77 82 88 88 90 77 68 66 77 85 Wind dir SE SE SE SE SE SE SE SE E SE SE SE E E E E E E E E E E Wind spd 3 5 11 10 9 6 6 4 5 6 10 10 9 8 6 8 6 10 12 12 10 8 Wind gust 21 20 19 23 Clouds SC SC SC SC SC SC SC B1 SC SC SC B1 B1 SC SC SC SC B1 B1 SC SC SC PoP 12hr 50 60 50 50 40 QPF 12hr 0.25-0.42 0.19-0.28 0.36-0.67 0.23 0.09 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC IS Tstms IS IS IS IS IS Heat index 90 95 94 90 85 82 80 91 96 94 90 85 82 80 91 96 93 91 85 Max heat 96 103 100 92 97 103 102 92 97 104 102 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 88 78 88 78 88 78 88 Temp 78 83 88 81 78 84 88 81 79 84 88 81 78 84 88 81 Dewpt 75 75 75 75 75 75 74 75 74 75 75 75 75 75 75 75 PWind dir E SE E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC B1 B1 B1 B1 B1 B1 SC SC SC FW FW SC B1 B1 PoP 12hr 40 50 50 50 30 20 40 40 Rain shwrs IS SC SC SC SC SC SC SC SC IS IS IS IS SC SC SC Tstms IS IS IS IS $$ PRZ003-212000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 87 92 68 76 83 77 87 92 69 76 83 78 88 92 Temp 76 83 86 87 83 80 78 77 76 83 86 87 83 80 78 77 76 83 87 88 83 80 Dewpt 73 74 74 74 75 74 74 74 73 75 74 73 75 74 74 74 73 74 74 74 75 74 RH 90 74 68 65 77 82 88 90 90 77 68 63 77 82 88 90 90 74 65 63 77 82 Wind dir E E SE SE SE E E E E E E SE E E E E NE E E SE E E Wind spd 4 6 11 10 8 6 5 4 5 6 10 10 9 6 5 6 6 8 10 12 10 6 Wind gust 23 21 21 21 20 24 23 Clouds SC SC SC FW SC SC SC B2 SC SC SC SC SC SC SC SC SC B1 B1 SC SC FW PoP 12hr 50 60 40 40 40 QPF 12hr 0.10-0.25 0.17-0.28 0.17-0.45 0.13-0.24 0.06 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS SC SC NM SC SC SC SC SC SC SC SC SC SC SC IS IS Tstms IS IS IS Heat index 89 94 94 89 83 80 89 95 93 89 83 80 90 95 93 90 84 Max heat 97 106 103 91 98 106 105 91 99 106 106 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 87 77 88 77 88 77 88 Temp 77 83 87 80 78 83 88 81 78 83 88 80 78 83 88 80 Dewpt 75 75 73 74 75 75 74 73 74 74 73 74 74 75 74 75 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW SC SC B1 B1 SC SC SC SC SC FW CL FW SC SC PoP 12hr 30 40 40 40 20 20 30 40 Rain shwrs IS IS SC SC SC SC IS IS IS IS IS SC SC SC $$ PRZ004-212000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 86 92 68 74 77 77 86 92 68 74 77 77 87 92 Temp 74 81 85 86 81 78 76 75 74 81 85 86 81 78 76 75 74 81 86 87 81 78 Dewpt 72 74 74 73 74 73 73 73 72 74 74 74 74 73 73 73 72 75 74 74 74 73 RH 93 79 70 65 79 85 90 94 93 79 70 68 79 85 90 94 93 82 68 65 79 85 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E SE E E Wind spd 2 4 10 10 8 4 3 2 3 5 9 9 8 4 3 4 4 6 10 11 10 4 Clouds SC SC SC SC SC SC SC B1 SC SC SC B1 B1 SC SC SC SC B1 B1 SC SC SC PoP 12hr 40 50 60 40 40 QPF 12hr 0.14-0.38 0.12-0.26 0.27-0.69 0.17-0.24 0.08 Snow 12hr MM MM MM Rain shwrs IS SC IS IS SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC IS IS IS Tstms IS IS IS IS Heat index 86 93 92 86 86 93 92 86 87 94 91 86 Max heat 97 105 102 86 97 105 103 86 97 105 104 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 87 74 87 74 87 74 87 Temp 75 81 87 78 75 82 87 78 75 82 87 78 75 81 87 78 Dewpt 73 75 74 73 74 75 73 73 73 74 73 73 73 75 74 74 PWind dir E SE E SE E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC B1 B1 B1 SC SC SC SC SC FW CL FW SC SC PoP 12hr 20 40 40 30 20 10 40 40 Rain shwrs IS IS SC SC SC SC SC IS IS IS IS IS SC SC IS $$ PRZ005-212000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 90 92 72 75 83 84 89 92 72 75 83 85 89 92 Temp 75 83 88 90 83 79 77 76 75 83 88 89 83 79 77 76 75 83 88 89 83 79 Dewpt 74 77 77 78 78 77 76 75 74 77 78 78 77 76 76 75 74 77 78 78 77 76 RH 97 82 70 68 85 94 97 97 97 82 72 70 82 91 97 97 97 82 72 70 82 91 Wind dir SE SE E E SE S SE SE SE SE E E E SE SE SE SE E E E E SE Wind spd 3 5 8 10 4 5 4 3 3 4 8 11 8 6 5 4 4 6 11 13 8 6 Wind gust 23 19 21 27 21 Clouds FW FW FW B2 OV B1 FW FW FW FW SC B1 B1 SC SC FW FW SC SC B1 B1 SC PoP 12hr 90 50 50 30 40 QPF 12hr 0.38-1.41 0.08-0.14 0.21-0.81 0.09-0.16 0.08-0.57 Snow 12hr MM MM MM Rain shwrs IS IS IS NM D SC IS IS SC SC SC SC SC IS IS IS IS SC SC IS Tstms IS IS IS IS IS IS IS Heat index 93101102 93 83 93101102 93 83 93102100 93 83 Max heat 99 111 109 93 99 111 110 93 99 111 110 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 90 75 90 75 90 75 90 Temp 76 84 90 80 76 84 90 80 76 84 90 80 76 84 90 80 Dewpt 75 77 78 76 75 77 77 76 75 77 77 76 75 77 77 76 PWind dir SE E SE E SE E SE E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC B1 SC SC SC SC CL CL FW SC FW FW FW SC PoP 12hr 20 40 10 40 0 30 0 30 Rain shwrs IS IS IS SC IS IS IS SC SC SC IS SC Tstms IS IS IS IS $$ PRZ006-212000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 84 91 63 72 76 75 84 91 63 72 76 75 84 91 Temp 72 79 83 84 79 75 74 73 72 79 83 84 79 75 74 73 72 79 83 84 79 76 Dewpt 71 73 73 73 73 72 72 72 71 73 74 73 74 72 72 72 71 73 73 73 74 73 RH 97 82 72 70 82 90 93 97 97 82 74 70 85 90 93 97 97 82 72 70 85 90 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E SE SE SE Wind spd 2 4 6 6 5 4 3 2 3 3 6 5 4 4 3 3 3 4 8 9 8 4 Wind gust 21 20 21 20 23 21 Clouds FW FW FW B1 B2 SC FW SC FW FW SC B2 B2 SC SC FW FW SC SC SC SC FW PoP 12hr 70 30 60 40 30 QPF 12hr 0.11-1.38 0.08-0.18 0.23-0.90 0.10-0.18 0.07-0.15 Snow 12hr MM MM MM Rain shwrs IS IS IS NM D SC IS IS IS IS SC NM NM SC SC IS IS SC SC SC SC IS Tstms IS IS IS IS IS Heat index 82 88 88 81 82 88 88 82 82 89 86 82 Max heat 96 106 103 84 96 105 104 84 96 105 103 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 84 72 84 72 84 72 84 Temp 73 79 84 76 73 79 84 76 73 79 84 76 73 79 84 76 Dewpt 72 74 73 72 72 73 72 72 72 73 72 72 72 73 73 72 PWind dir E SE E SE E E E SE Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 SC SC SC SC FW FW FW SC FW FW SC SC PoP 12hr 5 40 20 40 5 30 5 20 Rain shwrs IS IS IS SC IS IS IS SC IS IS IS SC IS IS IS Tstms IS IS $$ PRZ007-212000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 87 92 63 75 83 75 87 92 63 75 83 75 87 92 Temp 75 82 86 87 82 79 77 76 75 82 86 87 82 79 77 76 75 82 86 87 82 79 Dewpt 72 72 73 73 73 73 73 72 72 73 73 73 74 73 73 72 71 72 72 73 74 74 RH 90 72 65 63 74 82 87 87 90 74 65 63 77 82 87 87 87 72 63 63 77 85 Wind dir E E SE SE SE E E E E E SE SE SE E E E NE E E SE SE E Wind spd 4 5 10 9 8 5 5 4 4 5 10 9 5 5 4 4 4 5 9 10 9 5 Wind gust 23 23 23 20 20 24 21 Clouds SC SC FW SC B1 SC FW SC SC SC SC B1 B1 SC SC FW FW SC SC SC SC FW PoP 12hr 40 20 40 30 30 QPF 12hr 0.09-1.09 0.07-0.20 0.17-1.18 0.07-0.18 0.08 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC IS IS IS IS IS SC SC SC SC SC IS IS IS IS SC SC Tstms IS IS IS IS Heat index 87 93 92 87 82 87 93 92 87 82 87 93 91 88 82 Max heat 94 104 101 91 96 103 103 92 94 103 103 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 87 76 87 76 88 76 87 Temp 76 82 87 79 76 82 87 79 77 83 88 79 76 82 87 79 Dewpt 73 73 73 72 72 72 73 72 71 72 71 73 71 72 74 74 PWind dir E E E E E E E E Wind char LT LT LT GN LT GN LT LT Avg clouds FW FW FW SC SC SC FW SC FW FW FW FW FW FW FW SC PoP 12hr 0 30 20 20 0 5 5 20 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS $$ PRZ008-212000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 88 92 70 74 83 85 88 92 70 74 83 85 88 92 Temp 74 82 87 88 82 78 76 75 74 82 86 88 82 78 76 75 74 82 87 88 82 78 Dewpt 73 75 76 77 76 76 75 74 73 75 76 77 76 76 75 74 73 75 77 77 76 76 RH 97 79 70 70 82 94 97 97 97 79 72 70 82 94 97 97 97 79 72 70 82 94 Wind dir SE E E NE SE SE SE SE SE E E NE E E SE SE SE E E NE NE E Wind spd 3 5 4 6 5 3 3 2 3 3 5 6 5 5 5 4 5 6 8 9 5 4 Wind gust 19 Clouds CL FW CL B2 OV B2 FW CL CL CL SC B1 B1 SC SC FW FW SC SC B2 B2 B1 PoP 12hr 90 60 40 40 50 QPF 12hr 0.69-1.41 0.08 0.26-0.90 0.10-0.20 0.24-0.58 Snow 12hr MM MM MM Rain shwrs NM D NM IS SC SC SC SC SC IS IS IS IS SC SC SC Tstms IS IS IS IS IS IS IS Heat index 88 96 97 89 88 97 97 89 88 97 95 89 Max heat 94 106 103 92 95 106 105 92 94 106 104 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 88 74 88 74 88 74 88 Temp 75 82 88 78 75 82 88 79 75 82 88 78 75 82 88 78 Dewpt 74 75 77 76 73 75 76 76 73 75 76 76 74 75 76 76 PWind dir SE E SE E SE E SE E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 SC SC B1 SC FW SC B1 CL CL FW SC SC FW SC B1 PoP 12hr 30 70 10 60 0 40 10 50 Rain shwrs SC SC NM NM IS IS NM NM SC SC IS IS SC SC Tstms IS IS IS IS IS IS $$ PRZ009-212000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 84 92 66 72 76 75 84 92 66 72 76 75 85 92 Temp 72 79 83 84 79 76 74 73 72 79 83 84 79 76 74 73 72 79 84 85 79 76 Dewpt 70 72 74 74 73 72 73 71 71 73 74 75 73 73 72 71 70 73 74 74 73 73 RH 93 79 74 72 82 87 97 93 97 82 74 74 82 90 93 93 93 82 72 70 82 90 Wind dir SE SE SE E SE SE SE SE SE SE E SE E E E E E E E E E SE Wind spd 3 4 4 4 3 3 3 3 3 3 4 3 2 3 3 3 3 4 4 4 3 3 Wind gust 23 21 21 21 Clouds FW FW CL B2 OV B1 CL FW FW FW SC OV OV SC SC FW FW SC SC B1 B1 SC PoP 12hr 90 50 80 40 30 QPF 12hr 0.23-1.41 0.08 0.65-1.39 0.11-0.31 0.08-0.57 Snow 12hr MM MM MM Rain shwrs IS IS NM D SC IS SC D D SC SC IS IS IS IS SC SC IS Tstms IS IS IS IS IS IS IS Heat index 82 89 90 82 82 90 90 82 82 90 88 82 Max heat 94 108 105 85 94 108 108 85 94 108 107 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 85 72 85 72 85 72 85 Temp 73 79 85 76 73 80 85 76 73 80 85 76 73 79 85 76 Dewpt 71 73 74 72 71 72 73 72 71 72 73 72 71 72 74 72 PWind dir E E SE E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW SC B1 SC FW SC B1 CL CL FW SC SC FW FW SC PoP 12hr 10 70 10 60 0 40 10 50 Rain shwrs IS IS NM NM IS IS NM NM SC SC IS IS SC SC Tstms IS IS IS IS IS IS $$ PRZ010-212000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 90 92 68 75 83 76 90 92 68 75 83 76 90 92 Temp 75 83 88 90 83 79 77 76 75 83 88 90 83 79 77 76 75 83 88 90 83 79 Dewpt 73 75 77 77 77 76 76 74 73 75 77 78 77 76 75 74 73 75 77 77 77 76 RH 94 77 70 66 82 91 97 94 94 77 70 68 82 91 94 94 94 77 70 66 82 91 Wind dir E E SE E E E E E E E SE N E E E E E E E E E E Wind spd 5 6 5 5 6 6 5 5 5 5 4 5 4 5 5 5 5 5 5 5 6 4 Wind gust 16 18 20 18 19 20 16 17 17 20 19 17 18 18 17 16 Clouds FW FW FW B1 B2 B1 FW FW FW FW SC B2 B2 SC SC SC SC SC SC B1 B1 SC PoP 12hr 80 50 80 50 40 QPF 12hr 0.09-1.41 0.06-0.11 0.12-1.40 0.17-0.33 0.02-0.58 Snow 12hr MM MM MM Rain shwrs IS IS NM D SC IS IS IS SC D D SC SC SC SC IS IS SC SC IS Tstms IS IS IS IS IS IS IS Heat index 91101101 93 83 92101101 93 83 91101 99 93 83 Max heat 98 110 106 92 99 109 108 93 98 109 107 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 90 75 90 75 90 75 90 Temp 76 83 90 80 76 84 90 80 76 84 90 80 76 84 90 80 Dewpt 74 76 77 76 74 75 77 76 74 75 77 76 74 75 77 76 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC SC SC B1 SC FW SC SC CL CL FW SC SC FW FW SC PoP 12hr 20 60 10 50 0 40 10 50 Rain shwrs IS IS NM NM IS IS NM NM SC SC IS IS SC SC Tstms IS IS IS IS IS IS $$ PRZ011-212000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 91 92 73 76 83 85 91 92 73 76 83 85 91 92 Temp 76 85 90 91 85 81 78 77 76 85 90 91 85 80 78 77 76 85 90 91 85 81 Dewpt 74 74 75 75 75 75 75 75 74 75 75 75 75 75 75 75 74 74 74 75 76 76 RH 94 70 62 60 72 82 91 94 94 72 62 60 72 85 91 94 94 70 60 60 75 85 Wind dir E E SE SE SE E E E E E SE SE E E E E E E E SE SE E Wind spd 8 10 13 14 11 9 8 9 8 9 12 11 6 6 9 8 6 8 11 13 10 9 Wind gust 21 25 28 25 20 20 25 24 24 27 23 Clouds SC SC FW FW SC SC FW FW SC SC FW B1 B1 SC SC SC SC SC SC SC SC FW PoP 12hr 30 20 60 40 30 QPF 12hr 0.10-0.39 0.06-0.12 0.31-1.33 0.10-0.31 0.07 Snow 12hr MM MM MM Rain shwrs IS SC IS IS SC IS IS IS IS IS IS SC SC SC SC SC SC IS IS SC SC IS Tstms IS IS IS Heat index 92100100 93 86 80 93100100 93 85 80 92 99 98 94 86 Max heat 95 109 106 92 95 108 107 92 95 107 106 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 91 76 91 77 91 76 91 Temp 77 85 91 81 77 85 91 81 77 85 91 81 77 85 91 81 Dewpt 75 75 75 75 74 74 75 75 72 74 73 76 73 73 76 76 PWind dir E SE E E E SE E SE Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW FW SC SC SC FW FW CL FW FW FW SC FW FW SC PoP 12hr 5 20 20 10 0 5 5 10 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS $$ PRZ012-212000- Culebra- Including the city of Culebra 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 88 92 81 85 88 92 81 85 88 92 Temp 81 85 87 88 85 83 82 82 81 85 87 88 85 83 82 81 81 85 87 88 85 83 Dewpt 75 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 77 77 76 77 77 RH 82 75 70 68 75 80 82 82 85 75 70 68 75 80 82 85 85 77 72 68 77 82 Wind dir SE SE SE SE SE E E E E E E SE E E E E E E E E E E Wind spd 8 9 11 10 10 11 12 10 10 12 11 11 11 12 14 13 12 13 14 14 13 13 Clouds SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 50 50 40 30 30 QPF 12hr 0.35 0.20 0.25 0.20 0.08 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC Tstms IS IS IS IS IS Heat index 88 94 97 96 95 91 90 88 88 95 98 96 95 91 90 88 88 95 99 96 96 92 Max heat 98 103 101 92 99 103 102 93 99 104 103 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 88 82 88 82 88 82 88 Temp 81 85 88 84 82 85 88 84 82 85 88 84 82 85 88 84 Dewpt 76 77 77 77 76 77 77 77 76 77 77 77 77 77 77 77 PWind dir E SE E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC B1 B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC B1 B1 PoP 12hr 40 50 50 50 30 30 40 40 Rain shwrs SC SC SC SC SC SC SC SC IS SC SC IS IS SC SC SC Tstms IS IS $$ PRZ013-212000- Vieques- Including the city of Vieques 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 89 92 77 80 83 85 89 92 77 80 83 85 89 92 Temp 80 85 88 89 85 83 81 81 80 85 88 89 85 83 81 81 80 85 88 89 85 83 Dewpt 74 75 75 74 74 74 75 74 75 76 75 74 75 74 75 75 75 76 75 75 75 75 RH 82 72 66 61 70 74 82 79 85 75 66 61 72 74 82 82 85 75 66 64 72 77 Wind dir SE SE SE SE SE E E E E E SE E E E E E E E E E E E Wind spd 6 9 11 9 9 10 12 9 9 12 10 10 10 11 14 13 12 12 13 13 12 12 Clouds SC SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC PoP 12hr 50 50 50 50 40 QPF 12hr 0.36 0.21-0.26 0.20-0.28 0.17-0.24 0.09 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC IS Tstms IS IS IS Heat index 85 93 97 95 93 89 87 85 85 94 97 95 93 89 87 85 85 94 98 95 94 90 Max heat 96 101 98 91 97 100 100 92 97 102 100 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 89 81 89 81 89 80 89 Temp 81 85 89 83 81 85 89 83 81 85 89 83 81 85 89 83 Dewpt 76 76 75 75 76 76 75 75 75 76 75 75 75 76 75 75 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B2 B2 B2 B1 SC SC SC SC FW SC B1 B1 PoP 12hr 40 50 50 50 20 20 40 40 Rain shwrs IS SC SC SC SC SC SC SC IS IS IS IS IS SC SC SC Tstms IS IS $$ VIZ001-212000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 87 92 73 80 83 84 87 92 73 80 83 85 87 92 Temp 80 84 86 87 84 82 81 80 80 84 86 87 84 82 81 80 80 84 86 87 84 82 Dewpt 74 75 74 74 74 74 75 75 75 76 75 74 75 75 75 75 75 76 75 75 76 76 RH 82 74 68 65 72 77 82 85 85 77 70 65 74 79 82 85 85 77 70 68 77 82 Wind dir SE E SE SE SE E E E E E E SE E E E E E E E E E E Wind spd 8 9 11 10 10 11 13 12 11 11 12 11 10 12 16 14 13 14 14 14 13 13 Clouds SC SC FW SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 50 30 30 30 QPF 12hr 0.24-0.32 0.18 0.16 0.16 0.09 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC IS SC SC SC SC SC SC IS IS SC SC SC SC IS IS SC Tstms IS Heat index 85 92 95 93 91 88 87 85 85 92 95 93 91 89 87 86 86 93 96 93 92 89 Max heat 98 103 100 92 98 102 101 92 99 103 103 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 87 81 87 81 87 81 87 Temp 80 84 87 83 81 84 87 83 81 84 87 83 81 84 87 83 Dewpt 76 76 75 76 76 76 75 76 76 76 75 76 76 77 75 76 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC B2 B2 B1 SC FW FW SC SC SC SC SC FW PoP 12hr 30 50 50 50 20 20 40 40 Rain shwrs SC SC SC SC SC SC SC SC IS IS IS IS SC SC SC $$ VIZ002-212000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 AM AST Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 85 88 92 76 80 83 85 88 92 77 80 83 85 88 92 Temp 80 85 87 88 85 82 81 80 80 85 87 88 85 82 81 80 80 85 87 88 85 82 Dewpt 75 76 76 75 75 76 76 76 76 76 76 76 76 76 76 76 76 77 77 77 77 77 RH 85 75 70 66 72 82 85 88 88 75 70 68 75 82 85 88 88 77 72 70 77 85 Wind dir E SE SE SE SE E E E E E E SE E E E E E E E E E E Wind spd 8 10 12 12 9 8 11 10 9 11 12 11 11 11 12 10 11 14 16 14 12 11 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC CL CL SC SC SC SC SC PoP 12hr 40 30 30 20 30 QPF 12hr 0.27-0.35 0.17 0.17 0.07 0.09 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC SC SC SC SC SC SC SC IS IS IS IS SC SC SC Tstms IS IS IS IS Heat index 85 93 98 96 93 90 87 85 85 94 98 96 93 90 88 86 86 94 99 96 94 91 Max heat 99 105 102 92 99 105 103 93 100 106 105 Heat Y Y Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 88 81 88 81 88 80 88 Temp 80 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83 Dewpt 77 77 77 77 77 77 76 77 77 77 77 77 77 77 77 77 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC SC SC B2 B1 SC FW FW FW SC SC FW SC SC SC PoP 12hr 30 50 50 30 10 10 30 30 Rain shwrs SC SC IS SC SC SC SC IS IS IS IS IS IS IS SC IS $$