Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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907 FOCA52 TJSJ 290631 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 AM AST Wed Jul 29 2026 PRZ001-292000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 89 93 73 78 83 84 90 93 72 77 83 82 88 91 Temp 79 85 88 89 86 82 80 78 80 85 89 90 87 81 79 78 79 84 87 88 85 80 Dewpt 76 77 77 78 77 76 76 75 75 76 75 76 76 76 76 75 74 76 76 76 76 76 RH 91 77 70 70 75 82 88 91 85 75 64 64 70 85 91 91 85 77 70 68 75 88 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 8 10 16 18 14 10 10 13 12 13 18 18 14 11 10 9 8 11 16 17 14 9 Wind gust 28 28 27 25 Clouds SC SC SC SC SC FW FW SC FW SC SC SC SC SC SC SC SC SC SC B1 B1 FW PoP 12hr 30 20 20 30 40 QPF 12hr 0.05-0.15 0.02 0.03 0.02-0.09 0.14-0.64 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS Tstms IS IS IS Obvis H H H H H H H H H H H H H H H H H H Heat index 83 95101103 98 89 84 81 83 95100101 97 89 83 80 81 92 98 99 95 85 Max heat 103 110 110 95 102 110 110 95 98 108 107 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 89 76 88 77 89 78 89 Temp 77 84 89 81 77 84 88 81 78 85 89 82 79 85 89 81 Dewpt 75 75 75 75 75 76 77 76 75 77 77 76 75 76 77 76 PWind dir E E E E SE E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC SC SC B1 B1 SC SC SC SC SC SC SC SC PoP 12hr 40 20 30 50 30 30 30 20 Rain shwrs SC SC IS IS IS SC SC SC SC SC SC IS SC SC IS IS Tstms IS IS $$ PRZ002-292000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 88 94 67 78 83 75 88 94 65 77 83 75 87 91 Temp 79 84 87 88 85 81 80 78 79 84 87 88 85 81 79 77 78 83 86 87 84 80 Dewpt 75 76 76 76 75 75 74 74 74 74 74 74 74 74 74 73 73 74 74 74 74 74 RH 88 77 70 68 72 82 82 88 85 72 65 63 70 79 85 87 85 74 68 65 72 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 13 16 17 14 11 13 16 14 14 17 16 13 13 12 11 11 13 16 14 13 9 Wind gust 20 24 26 28 21 24 27 26 25 27 26 24 24 23 24 24 19 Clouds SC B1 SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 SC PoP 12hr 40 30 30 30 40 QPF 12hr 0.05-0.16 0.04 0.04 0.08 0.15 Snow 12hr MM MM MM Rain shwrs IS SC IS IS IS IS IS IS IS SC IS IS IS IS IS SC SC SC SC SC SC IS Obvis H H H H H H H H H H H H H H Heat index 82 92 97 98 94 87 84 81 83 92 96 97 93 86 82 81 89 94 95 91 84 Max heat 99 107 107 93 98 106 105 93 96 103 102 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 87 77 87 77 88 78 88 Temp 77 83 87 80 77 83 87 80 78 84 88 81 78 84 88 81 Dewpt 73 74 74 74 74 75 75 75 74 75 75 75 74 74 74 74 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC B1 SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 50 30 40 40 50 50 40 30 Rain shwrs SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC IS Tstms IS IS $$ PRZ003-292000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 93 69 78 83 78 88 94 68 76 83 77 87 91 Temp 78 83 86 87 85 81 79 78 79 84 87 88 85 80 78 77 78 83 86 87 84 79 Dewpt 75 76 77 77 76 75 75 74 74 75 74 74 74 74 74 74 73 74 74 74 74 74 RH 91 80 75 72 75 82 88 88 85 74 65 63 70 82 88 90 85 74 68 65 72 85 Wind dir E E E E E E E E E E E E E E E E NE E E E E E Wind spd 9 11 14 16 13 10 10 12 13 14 17 17 14 11 11 11 10 12 16 16 13 8 Wind gust 23 28 31 27 21 20 24 26 28 36 33 27 21 24 23 20 24 31 31 26 Clouds SC B1 FW FW FW SC FW FW CL SC SC FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 40 30 30 20 30 QPF 12hr 0.03-0.16 0.03 0.03 0.00-0.08 0.02-0.14 Snow 12hr MM MM MM Rain shwrs IS SC IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H H H H H H H H H Heat index 81 91 97 98 94 86 83 80 82 91 96 97 93 85 81 80 89 95 96 92 83 Max heat 101 110 109 93 101 108 107 93 97 106 105 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 87 76 86 77 88 77 88 Temp 77 83 87 80 77 82 86 80 78 83 88 81 78 84 88 80 Dewpt 73 74 74 74 74 75 76 75 75 76 76 75 75 75 75 74 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC B1 SC FW SC SC SC SC B1 B1 B1 SC SC SC SC SC PoP 12hr 50 20 30 30 40 40 20 20 Rain shwrs SC SC IS IS IS SC SC IS SC SC SC IS IS IS IS IS $$ PRZ004-292000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 86 92 69 74 78 77 87 93 68 74 77 75 85 91 Temp 76 81 85 86 83 78 76 75 76 82 86 87 84 78 76 74 75 81 84 85 82 77 Dewpt 74 75 75 75 75 74 74 73 73 74 73 73 73 73 73 72 72 74 73 73 73 73 RH 94 82 72 70 77 88 94 94 90 77 65 63 70 85 90 93 90 79 70 67 74 87 Wind dir E E SE SE E E E E E E E E E E E E E E E E E E Wind spd 5 10 13 16 12 8 8 11 11 12 16 16 12 6 6 6 5 10 13 13 11 5 Clouds SC SC SC B1 FW SC FW FW FW SC SC SC SC FW FW SC SC SC SC B1 B1 SC PoP 12hr 40 30 30 20 40 QPF 12hr 0.04-0.16 0.03 0.03 0.00-0.08 0.04-0.63 Snow 12hr MM MM MM Rain shwrs IS IS SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS Tstms IS IS IS Obvis H H H H H H H H H H H H H H H H H H Heat index 87 94 95 90 81 88 93 94 90 80 85 91 93 88 Max heat 100 107 107 89 100 106 105 88 96 103 102 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 86 73 85 74 87 74 88 Temp 74 81 86 77 74 81 85 78 75 82 87 78 75 82 88 78 Dewpt 72 73 73 73 73 74 75 74 73 75 75 74 73 74 74 73 PWind dir E E E E E E E E Wind char LT GN LT LT LT GN LT GN Avg clouds SC B1 SC SC SC SC B1 B1 SC B1 B1 SC SC SC SC SC PoP 12hr 50 20 30 50 40 40 20 20 Rain shwrs IS SC IS IS IS SC SC SC SC SC SC IS IS IS IS IS Tstms IS IS $$ PRZ005-292000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 84 90 94 73 76 83 84 91 94 73 76 83 84 88 91 Temp 78 84 89 90 87 81 78 77 78 85 90 91 87 81 79 77 78 84 87 88 85 79 Dewpt 75 77 78 78 77 76 76 75 74 76 76 76 76 76 76 75 74 75 77 77 77 76 RH 91 80 70 68 72 85 94 94 88 75 64 62 70 85 91 94 88 74 72 70 77 91 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 8 8 14 18 16 11 9 11 10 12 17 18 17 12 10 9 8 11 16 19 18 12 Wind gust 33 28 21 27 32 31 23 26 34 32 25 Clouds FW FW FW B1 SC FW CL FW FW FW FW SC SC FW FW SC SC FW FW B1 B1 FW PoP 12hr 30 5 10 10 40 QPF 12hr 0.03-0.57 0.01 0.01 0.00-0.05 0.01-0.63 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC IS IS IS IS IS IS IS IS IS SC SC Tstms IS IS Obvis H H H H H H H H H H H H H H H H H Heat index 95103104 99 87 80 94102103 98 87 80 92 99101 95 82 Max heat 103 110 110 95 101 112 111 94 97 110 108 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 89 75 88 76 90 76 90 Temp 75 84 89 79 76 83 88 80 77 85 90 81 77 85 90 80 Dewpt 74 75 76 75 74 76 78 76 75 77 78 76 75 76 77 76 PWind dir E E E E SE E E E Wind char LT GN GN LT LT GN GN GN Avg clouds FW FW SC SC FW FW SC B1 SC SC SC SC FW SC SC SC PoP 12hr 5 40 20 60 10 40 10 20 Rain shwrs IS SC SC IS IS IS IS IS IS SC IS IS IS IS Tstms IS IS IS IS IS IS $$ PRZ006-292000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 84 91 63 72 77 75 85 93 63 72 76 75 83 91 Temp 74 79 83 84 81 76 74 73 74 80 84 85 82 77 75 73 74 79 82 83 80 75 Dewpt 72 74 74 74 73 72 72 72 72 72 72 71 71 72 72 72 71 72 72 72 72 72 RH 93 85 74 72 77 87 93 97 93 77 67 63 69 85 90 97 90 79 72 70 77 90 Wind dir E SE SE SE E E E E E E E E E E E E E E E E E E Wind spd 4 8 12 13 11 6 5 9 9 11 14 14 12 6 5 5 4 8 11 12 11 5 Wind gust 27 29 25 21 26 35 33 25 29 29 26 Clouds FW FW SC SC SC FW CL FW CL FW FW SC SC FW FW FW FW FW FW B2 B2 FW PoP 12hr 20 0 10 5 60 QPF 12hr 0.02-0.57 0 0.00-0.05 0.01 0.02-0.76 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC Tstms IS IS IS Obvis H H H H H H H H H H H H H H H H H H Heat index 83 90 91 86 84 90 91 87 82 88 89 84 Max heat 100 110 107 88 100 109 108 88 96 105 104 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 84 71 83 72 85 72 85 Temp 72 79 84 75 72 78 83 76 73 80 85 77 73 80 85 76 Dewpt 71 72 72 71 71 73 74 73 72 73 74 72 72 72 73 72 PWind dir E E E E E E E E Wind char LT GN LT LT LT GN LT LT Avg clouds FW FW FW SC FW FW SC B1 SC SC SC SC FW FW SC SC PoP 12hr 5 20 20 50 10 20 10 20 Rain shwrs IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS Tstms IS IS $$ PRZ007-292000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 94 63 76 83 75 89 94 63 75 83 75 87 91 Temp 77 83 87 88 85 80 78 76 78 84 88 89 86 80 78 76 77 83 86 87 84 79 Dewpt 72 74 76 75 75 74 72 72 71 72 74 73 73 72 72 71 70 71 73 74 74 73 RH 85 74 70 66 72 82 82 87 79 67 63 59 65 77 82 85 79 67 65 65 72 82 Wind dir E E SE SE SE E E E E E E SE E E E NE NE E E E E E Wind spd 5 9 14 14 12 9 6 6 10 14 18 16 12 9 6 5 5 8 13 14 13 9 Wind gust 21 29 31 27 23 25 31 37 33 27 23 20 20 29 33 29 23 Clouds FW FW FW FW FW FW CL CL CL FW CL FW FW CL CL CL CL FW FW B1 B1 FW PoP 12hr 5 5 5 0 30 QPF 12hr 0.02 0 0.00-0.05 0 0.01-0.75 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS SC SC Tstms IS IS Obvis H H H H H H H H H H H H H H H H H H Heat index 89 96 98 93 84 80 90 96 97 93 84 87 94 96 91 82 Max heat 98 110 109 95 97 108 107 93 94 108 106 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 75 87 76 88 76 89 Temp 75 82 87 79 76 82 87 79 76 83 88 80 77 84 89 80 Dewpt 71 72 73 73 71 73 75 74 72 74 75 74 72 72 74 74 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW FW FW FW FW SC SC SC SC SC SC CL FW SC SC PoP 12hr 0 10 20 30 10 30 5 40 Rain shwrs IS IS IS IS IS IS IS IS SC IS SC SC Tstms IS IS IS $$ PRZ008-292000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 88 94 71 75 83 84 89 94 71 75 83 84 87 91 Temp 76 83 87 88 85 79 77 75 77 83 88 89 86 80 78 76 77 82 86 87 84 78 Dewpt 73 75 77 78 77 76 75 73 72 74 75 76 75 75 75 74 73 74 75 76 76 75 RH 90 77 72 72 77 91 94 94 85 74 66 66 70 85 91 94 87 77 70 70 77 91 Wind dir E E E E E E E E E E E E E E E E E E E NE E E Wind spd 8 8 10 16 10 11 10 9 10 10 13 16 17 16 12 10 9 11 14 18 18 16 Wind gust 23 32 26 21 26 31 31 31 24 20 26 33 31 27 Clouds CL FW FW B1 B2 SC CL CL FW CL CL SC SC CL CL FW FW FW FW SC SC SC PoP 12hr 60 10 20 0 20 QPF 12hr 0.09-0.57 0.01 0.00-0.05 0 0.01-0.65 Snow 12hr MM MM MM Rain shwrs IS SC NM IS IS IS IS IS IS Tstms IS IS Obvis H H H H H H H H H H H H H H H H Heat index 90 99101 95 83 90 98100 95 84 88 95 98 92 Max heat 98 110 110 96 97 112 111 94 95 108 107 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 87 73 87 74 88 74 88 Temp 74 82 87 78 74 82 87 78 75 83 88 79 75 83 88 79 Dewpt 73 74 76 76 73 74 77 76 74 75 78 76 73 74 76 76 PWind dir E E E E E E E E Wind char GN GN GN LT LT GN GN GN Avg clouds SC FW SC SC CL FW SC B1 SC SC SC B1 FW FW SC SC PoP 12hr 20 50 0 60 10 50 5 20 Rain shwrs IS SC SC NM NM IS IS IS SC IS IS IS IS Tstms IS IS IS IS IS IS $$ PRZ009-292000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 85 94 65 72 77 75 87 94 65 72 76 75 84 91 Temp 74 80 84 85 82 76 74 73 74 81 85 87 83 77 75 73 74 79 83 84 81 75 Dewpt 71 73 75 76 74 74 73 71 71 72 73 73 72 73 72 71 70 71 73 74 74 73 RH 90 79 74 75 77 94 97 93 90 74 67 63 70 87 90 93 87 77 72 72 79 94 Wind dir E E SE SE SE E E E E E E E E E E E E E E E E E Wind spd 4 5 8 9 5 5 5 5 6 8 11 10 8 6 5 4 4 5 9 8 8 5 Wind gust 28 29 25 20 28 34 32 26 23 27 28 23 16 Clouds CL FW SC B1 B1 FW CL CL CL CL CL SC SC CL CL FW FW CL CL B2 B2 FW PoP 12hr 40 5 30 0 60 QPF 12hr 0.01-0.57 0 0.05 0 0.12-0.78 Snow 12hr MM MM MM Rain shwrs IS SC SC IS SC SC NM NM IS Tstms IS IS IS IS Obvis H H H H H H H H H H H H H H H H H H Heat index 84 92 94 88 85 93 94 88 82 89 92 85 Max heat 98 110 110 88 98 112 111 88 95 111 109 Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 70 84 71 84 72 86 72 86 Temp 71 79 84 75 72 79 84 76 73 80 86 77 73 81 86 76 Dewpt 71 72 74 73 71 72 76 74 72 73 76 74 71 72 74 74 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW CL FW SC FW FW SC B1 SC FW SC B1 FW FW SC SC PoP 12hr 5 40 5 60 10 60 5 40 Rain shwrs IS SC SC IS IS IS IS IS NM NM IS SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ010-292000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 90 94 68 75 83 78 91 94 68 75 83 76 89 91 Temp 77 84 89 90 87 80 78 76 77 85 90 91 87 81 78 76 77 84 88 89 85 79 Dewpt 73 76 78 78 78 77 76 74 72 75 77 77 77 76 75 74 72 74 76 78 77 76 RH 87 77 70 68 75 91 94 94 85 72 66 64 72 85 91 94 85 72 68 70 77 91 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 6 6 6 8 5 8 9 8 9 10 10 9 8 11 9 8 6 8 6 8 9 6 Wind gust 19 20 20 26 26 24 28 26 26 27 29 29 24 25 23 21 18 18 20 24 24 21 Clouds CL FW FW SC B1 SC FW CL CL CL CL SC SC FW FW CL CL CL CL B1 B1 SC PoP 12hr 50 10 30 0 60 QPF 12hr 0.01-0.57 0.01 0.00-0.06 0 0.03-0.78 Snow 12hr MM MM MM Rain shwrs IS SC NM IS SC SC NM NM SC Tstms IS IS IS IS Obvis H H H H H H H H H H H H H H H H H H Heat index 94103105100 87 93103105 99 87 80 91100103 96 81 Max heat 106 110 110 95 104 119 112 93 100 116 113 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 90 74 90 75 91 75 91 Temp 75 84 90 79 75 84 90 80 76 85 91 80 76 85 91 80 Dewpt 73 75 77 76 74 75 78 77 74 76 79 77 74 75 78 76 PWind dir E E E E E E E E Wind char LT LT GN LT LT LT LT LT Avg clouds SC FW FW SC FW FW SC B1 SC FW SC B1 SC SC SC SC PoP 12hr 30 40 0 50 10 60 5 30 Rain shwrs SC SC SC SC IS IS IS NM NM IS IS IS SC Tstms IS IS IS IS IS IS IS $$ PRZ011-292000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 84 92 94 73 76 83 84 93 94 72 75 83 84 90 91 Temp 78 86 91 92 88 82 79 77 78 86 91 93 88 81 78 76 77 84 89 90 87 80 Dewpt 73 75 78 78 78 77 75 73 72 74 76 76 76 76 75 73 71 73 76 77 77 76 RH 85 70 66 64 72 85 88 87 82 68 62 58 68 85 91 90 82 70 66 66 72 88 Wind dir E E SE SE SE E E E E E E SE SE E E E NE E E SE E E Wind spd 5 10 17 19 17 14 11 10 12 19 21 19 18 17 10 6 5 5 14 18 11 11 Wind gust 21 34 39 36 32 27 24 25 36 40 37 39 36 25 32 35 28 25 Clouds CL FW CL FW FW FW CL CL CL CL FW FW FW CL CL CL CL FW FW B1 B1 FW PoP 12hr 5 5 5 0 30 QPF 12hr 0.01 0.01 0.00-0.05 0 0.01-0.78 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC IS Tstms IS IS Obvis H H H H H H H H H H H H H H H H H H Heat index 95106107102 90 82 80 95104106100 88 91100103 98 84 Max heat 98 110 110 95 97 112 111 94 93 109 108 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 92 75 92 76 92 76 93 Temp 76 85 92 81 76 85 92 81 77 86 92 81 77 86 93 81 Dewpt 73 74 76 76 73 74 78 77 74 76 78 77 73 74 77 77 PWind dir E E E SE E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds FW CL FW SC SC SC SC SC SC SC SC SC FW FW SC SC PoP 12hr 5 10 10 30 10 40 5 50 Rain shwrs IS IS IS IS IS IS IS IS IS SC SC IS IS SC SC Tstms IS IS IS IS $$ PRZ012-292000- Culebra- Including the city of Culebra 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 88 94 82 84 88 94 81 84 87 91 Temp 82 85 87 88 87 84 83 82 82 86 87 88 86 83 82 81 82 85 87 87 86 83 Dewpt 77 78 78 78 77 76 76 76 76 77 77 77 77 76 76 76 75 76 77 76 76 76 RH 85 80 75 72 72 77 80 82 82 75 72 70 75 80 82 85 79 75 72 70 72 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 18 20 23 21 20 19 20 24 23 23 19 18 18 20 20 20 20 20 20 20 18 17 Clouds FW FW SC CL CL FW SC FW SC FW SC SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 10 10 20 40 40 QPF 12hr 0.03 0.02 0.02 0.05 0.17 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC IS Tstms IS IS Obvis H H H H H H H H H H H H H H H H Heat index 90 97101101 98 93 90 89 90 96 99100 97 92 90 87 88 94 98 98 96 91 Max heat 104 109 108 97 102 108 107 96 100 105 104 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 88 81 88 81 88 81 88 Temp 81 85 88 83 81 85 88 83 82 85 88 83 82 85 88 83 Dewpt 75 76 76 76 76 77 77 76 76 77 77 76 76 76 76 76 PWind dir E E E E E E E E Wind char BZ BZ BZ GN BZ BZ BZ GN Avg clouds SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 30 30 30 30 40 40 40 30 Rain shwrs IS SC SC SC IS SC SC SC SC SC SC SC SC SC SC IS $$ PRZ013-292000- Vieques- Including the city of Vieques 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 84 89 93 81 84 89 93 77 80 83 84 89 91 Temp 81 85 88 89 87 83 82 81 82 86 88 89 87 83 82 80 81 85 88 89 86 83 Dewpt 76 77 76 75 75 75 75 75 75 75 75 74 74 75 75 74 74 75 74 74 74 74 RH 85 77 68 64 68 77 79 82 79 70 66 61 65 77 79 82 79 72 63 61 68 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 17 19 20 20 19 18 19 23 21 21 19 18 18 20 20 19 19 20 20 19 18 16 Clouds FW SC SC FW FW SC SC SC SC SC SC FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 10 20 20 30 30 QPF 12hr 0.02-0.09 0.03 0.02 0.07 0.03-0.14 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS IS SC SC IS Obvis H H H H H H H H H H H H H H H H H H Heat index 88 96 99 99 96 91 89 87 88 95 98 98 95 90 88 85 87 93 97 97 94 89 Max heat 100 106 105 93 99 105 104 92 97 102 101 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 80 88 80 89 81 89 Temp 81 85 89 83 80 85 88 83 81 86 89 83 81 86 89 83 Dewpt 74 74 73 74 75 75 75 75 76 76 75 75 75 75 74 75 PWind dir E E E E E E E E Wind char BZ BZ BZ GN BZ BZ BZ GN Avg clouds SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 30 30 40 40 40 40 40 30 Rain shwrs IS SC SC SC IS SC SC SC SC SC SC SC SC SC SC IS $$ VIZ001-292000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 87 94 73 81 83 84 87 94 73 80 83 84 87 91 Temp 81 84 86 87 86 83 82 81 82 85 86 87 85 82 81 80 81 84 86 87 85 82 Dewpt 76 77 76 75 75 75 75 75 75 75 74 74 74 75 75 74 74 75 74 74 74 74 RH 85 80 72 68 70 77 79 82 79 72 68 65 70 79 82 82 79 74 68 65 70 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 18 21 24 23 21 20 21 25 23 21 19 18 20 19 20 20 20 20 21 20 18 17 Clouds FW FW SC CL CL FW SC FW FW CL FW FW FW FW FW SC SC B1 B1 SC SC SC PoP 12hr 10 5 10 30 30 QPF 12hr 0.02 0.01 0.01 0.04 0.05-0.17 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS SC SC IS IS IS Tstms IS IS Obvis H H H H H H H H H H H H H H H H Heat index 87 94 96 96 94 90 88 86 87 93 95 96 93 89 87 85 86 92 94 95 92 88 Max heat 102 107 107 95 101 107 105 94 97 102 101 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 87 80 87 80 87 80 87 Temp 80 84 87 82 80 84 87 82 80 84 87 82 81 84 87 82 Dewpt 74 74 74 75 75 75 75 75 76 76 75 75 75 75 74 75 PWind dir E E E E E E E E Wind char BZ BZ BZ GN BZ BZ GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC PoP 12hr 20 20 30 30 30 40 40 30 Rain shwrs IS IS IS IS IS SC SC SC IS SC SC SC SC SC SC SC $$ VIZ002-292000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 AM AST Wed Jul 29 2026 Date Wed 07/29/26 Thu 07/30/26 Fri 07/31/26 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 84 88 94 77 80 83 84 88 94 76 80 83 84 88 91 Temp 81 85 87 88 86 83 82 81 81 85 87 88 86 83 81 80 81 85 87 88 86 82 Dewpt 77 77 77 76 76 76 76 76 76 76 76 76 76 76 76 75 75 76 75 75 75 75 RH 88 77 72 68 72 80 82 85 85 75 70 68 72 80 85 85 82 75 68 66 70 79 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 16 19 21 21 19 18 20 21 21 21 20 19 19 18 18 17 18 20 19 18 16 16 Wind gust 29 32 31 32 Clouds FW FW SC FW FW FW FW FW SC FW CL FW FW FW FW SC SC B1 B1 SC SC SC PoP 12hr 20 20 10 30 30 QPF 12hr 0.03 0.02 0.01 0.06 0.03-0.17 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC IS Tstms IS IS Obvis H H H H H H H H H H H H H H H H Heat index 88 96 99100 96 91 89 87 88 95 98 99 96 90 87 85 86 93 97 97 95 89 Max heat 103 110 108 94 101 109 108 93 98 105 104 Heat Y Y Date Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 Tue 08/04/26 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 79 88 80 88 80 88 Temp 80 85 88 82 80 85 88 82 81 85 88 83 81 85 88 82 Dewpt 75 75 75 76 76 76 76 76 76 76 76 76 76 76 75 76 PWind dir E E E E E E E E Wind char BZ BZ GN GN BZ BZ GN GN Avg clouds SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 30 30 30 20 30 20 20 Rain shwrs IS IS IS SC SC SC SC SC IS IS SC SC IS IS IS IS $$