Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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389 FOCA52 TJSJ 182102 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 502 PM AST Mon Aug 18 2025 PRZ001-190800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 83 83 91 93 73 77 83 83 90 93 73 77 83 Temp 81 79 78 78 86 90 91 86 81 79 78 78 85 89 90 86 81 80 78 78 85 Dewpt 76 77 76 76 77 78 77 77 76 77 76 76 78 78 78 77 76 76 76 74 76 RH 85 94 94 94 75 68 64 75 85 94 94 94 80 70 68 75 85 88 94 88 75 Wind dir S SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E E Wind spd 6 6 5 6 8 11 12 10 6 5 4 4 8 12 13 11 9 6 6 6 9 Clouds SC SC SC SC SC FW SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 30 30 30 10 QPF 12hr 0.03-0.25 0.06 0.03-0.15 0.04-0.14 0.02 Snow 12hr MM MM MM Rain shwrs SC IS IS SC IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms Obvis H H H H H H H H H H H H H Heat index 87 83 80 97104104 97 88 83 80 97105105 98 88 84 80 94 Max heat 102 94 104 114 110 95 104 115 112 94 100 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 88 77 87 76 89 77 89 Temp 90 81 78 84 88 80 77 83 87 80 77 84 89 81 78 84 89 81 Dewpt 76 75 75 77 78 77 76 77 78 76 76 77 78 76 76 77 77 76 PWind dir E NE NE NE SE SE SE E E Wind char GN LT GN GN GN GN GN LT GN Avg clouds SC SC SC SC B1 B1 B2 B2 B2 B1 SC SC B1 B1 SC SC SC SC PoP 12hr 30 30 60 60 60 30 60 10 30 Rain shwrs IS SC IS SC SC NM NM NM NM NM IS IS NM NM IS IS IS IS Tstms IS IS IS IS IS IS IS $$ PRZ002-190800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 77 83 75 88 93 67 77 83 75 88 92 67 77 83 Temp 80 78 77 78 84 87 88 85 80 79 78 78 84 87 88 84 80 79 78 78 83 Dewpt 76 77 76 76 76 77 76 76 75 76 76 76 76 77 77 76 75 76 75 74 75 RH 88 97 97 94 77 72 68 75 85 91 94 94 77 72 70 77 85 91 91 88 77 Wind dir S S SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E E Wind spd 8 10 8 9 9 11 11 9 8 8 8 9 11 13 13 11 10 9 10 11 10 Wind gust 21 19 19 Clouds B1 SC B1 B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 40 40 50 50 30 QPF 12hr 0.12-0.36 0.08 0.12-0.19 0.11-0.29 0.04 Snow 12hr MM MM MM Rain shwrs SC IS SC SC SC IS IS SC IS SC SC SC SC SC SC SC IS IS IS IS SC Tstms IS IS Obvis H H H H H H H H H Heat index 85 82 93 99 99 94 86 83 80 93 99100 94 86 83 80 91 Max heat 102 95 103 111 110 95 102 110 109 95 100 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 87 76 86 76 87 77 87 Temp 88 80 77 83 87 79 77 82 86 79 77 83 87 80 77 83 87 80 Dewpt 75 74 75 75 76 75 75 76 76 75 75 76 76 75 76 75 75 75 PWind dir E NE NE NE SE SE SE E E Wind char GN LT GN GN GN GN GN GN GN Avg clouds SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 30 40 60 60 60 40 60 30 30 Rain shwrs SC SC SC SC SC NM NM NM NM NM SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS IS IS $$ PRZ003-190800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 77 83 76 87 91 69 77 83 77 87 92 69 76 83 Temp 80 79 77 78 83 86 87 84 80 78 77 78 83 87 87 84 80 78 77 77 84 Dewpt 76 77 76 76 77 77 77 77 75 76 76 76 76 78 77 77 75 76 75 74 74 RH 88 94 97 94 82 75 72 80 85 94 97 94 80 75 72 80 85 94 94 90 72 Wind dir S SE SE SE SE SE SE SE SE E E E E SE SE E E NE NE NE E Wind spd 8 9 6 8 9 10 9 8 6 6 6 6 10 12 11 10 9 9 10 8 10 Wind gust 20 25 21 20 19 20 18 20 Clouds B2 B1 B1 B1 B1 SC FW SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 60 40 40 40 20 QPF 12hr 0.31-0.37 0.08 0.11-0.19 0.09-0.29 0.02 Snow 12hr MM MM MM Rain shwrs NM SC SC SC SC SC SC IS SC SC SC SC SC IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H H H H H H Heat index 84 82 80 92 98 99 93 85 82 80 92100100 94 85 82 91 Max heat 103 95 101 110 109 94 100 112 110 93 99 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 88 76 85 76 87 76 88 Temp 88 80 76 83 88 80 77 82 85 79 77 83 87 80 77 83 88 80 Dewpt 75 73 74 75 76 75 75 75 77 75 75 76 76 75 75 76 75 73 PWind dir E NE NE NE SE SE E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds SC SC FW SC SC B1 B2 B2 B2 B1 SC B1 B1 B1 SC SC SC SC PoP 12hr 30 20 50 60 60 40 50 20 20 Rain shwrs IS SC IS IS IS SC SC NM NM NM SC SC SC SC IS IS IS IS Tstms IS IS IS $$ PRZ004-190800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 74 78 76 86 93 69 74 78 77 87 93 69 73 78 Temp 78 76 75 75 82 85 86 82 78 76 74 75 82 86 87 83 78 76 74 75 82 Dewpt 74 75 74 74 76 76 75 75 74 74 73 74 75 76 75 75 73 74 73 72 74 RH 88 97 97 97 82 75 70 79 88 94 97 97 79 72 68 77 85 94 97 90 77 Wind dir S SE SE SE SE SE SE SE SE SE SE E SE SE SE E E E E E E Wind spd 5 6 5 6 8 10 9 8 4 4 4 4 8 11 11 9 6 5 5 5 8 Clouds B1 B1 B1 B1 SC SC SC SC FW SC SC SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 30 30 30 20 QPF 12hr 0.18-0.36 0.07 0.04-0.17 0.05-0.26 0.02 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC IS IS SC IS IS SC SC SC SC IS IS IS IS IS IS IS Tstms IS Obvis H H H H H H H H H H H Heat index 88 95 95 89 80 88 96 96 89 80 87 Max heat 98 88 101 110 108 89 100 110 108 89 99 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 73 86 73 83 73 85 74 86 Temp 87 77 74 81 86 77 74 79 83 76 74 81 85 77 74 81 86 77 Dewpt 73 72 72 74 75 74 74 75 75 74 73 75 75 73 73 75 74 73 PWind dir E NE NE NE SE SE SE E E Wind char GN LT GN LT GN GN GN LT LT Avg clouds SC SC SC SC SC B1 B2 B2 B2 B1 SC SC B1 B1 SC SC SC SC PoP 12hr 30 30 60 60 60 40 50 20 30 Rain shwrs IS SC IS IS IS IS NM NM NM NM SC SC SC SC IS IS IS IS Tstms IS IS IS IS IS IS $$ PRZ005-190800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 76 83 84 91 94 72 75 83 84 91 94 71 75 83 Temp 79 78 77 77 85 90 91 86 80 78 76 77 85 90 91 86 80 78 76 77 84 Dewpt 76 76 76 75 78 78 77 76 76 76 75 74 78 79 78 77 76 76 75 74 76 RH 91 94 97 94 80 68 64 72 88 94 97 90 80 70 66 75 88 94 97 90 77 Wind dir SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E E E Wind spd 5 5 5 6 5 8 9 6 6 5 3 3 6 10 11 10 8 8 6 6 8 Wind gust 19 17 21 20 Clouds SC SC SC FW FW CL SC B1 FW FW FW FW FW FW B1 B1 FW FW FW FW FW PoP 12hr 30 40 5 30 5 QPF 12hr 0.02-0.11 0.03-0.60 0.01 0.04-0.20 0.01 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC IS IS IS IS IS SC SC IS Tstms IS IS IS Obvis H H H H H H H H H H H Heat index 83 97106106 97 86 97107107 98 86 94 Max heat 102 93 105 117 113 94 105 117 114 94 101 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 75 88 75 87 75 89 75 89 Temp 90 80 76 83 88 80 76 83 87 79 76 84 89 80 76 84 89 80 Dewpt 77 76 75 77 78 77 76 78 78 76 75 77 78 76 75 78 77 76 PWind dir E E NE E SE SE E E E Wind char GN LT GN GN GN LT GN LT GN Avg clouds SC SC FW FW SC B1 B1 B1 B1 B1 SC SC SC B1 FW FW FW SC PoP 12hr 20 10 50 50 50 10 60 0 10 Rain shwrs IS IS IS SC SC SC SC SC SC IS IS NM NM IS IS Tstms IS IS $$ PRZ006-190800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 73 77 75 83 92 63 72 77 75 84 92 62 71 76 Temp 76 75 73 74 79 82 83 80 76 74 73 73 79 83 84 80 76 74 72 73 79 Dewpt 73 74 73 73 74 75 74 73 72 73 72 72 74 75 74 74 72 72 71 70 72 RH 90 97100 97 85 79 74 79 87 97 97 97 85 77 72 82 87 93 97 90 79 Wind dir S S SE SE SE SE SE SE SE SE SE SE SE SE SE E E E NE E E Wind spd 5 5 5 5 5 8 8 6 4 4 3 3 5 10 10 8 5 4 4 3 6 Wind gust 23 20 Clouds B1 SC B1 SC SC FW FW B1 FW SC FW FW SC SC SC SC FW FW FW FW FW PoP 12hr 50 40 20 30 5 QPF 12hr 0.06-0.35 0.05-0.51 0.01-0.12 0.04-0.20 0.01 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H H H H H H H H H Heat index 83 89 90 84 83 91 91 84 83 Max heat 99 87 100 110 107 87 100 113 110 85 98 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 71 82 72 80 72 82 72 83 Temp 84 76 72 78 82 75 73 77 80 75 72 78 82 75 73 79 83 75 Dewpt 72 71 71 73 74 73 72 74 74 72 72 74 75 72 72 74 73 72 PWind dir E NE NE NE SE SE SE E E Wind char GN LT LT LT GN LT GN LT LT Avg clouds SC SC FW FW SC B1 B2 B2 B2 B1 SC SC B1 B1 FW FW FW SC PoP 12hr 10 10 50 50 60 20 60 5 10 Rain shwrs IS IS IS IS SC SC SC SC NM IS IS IS NM IS IS IS IS Tstms IS IS IS IS $$ PRZ007-190800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 77 83 75 86 92 65 76 83 75 87 93 64 75 83 Temp 79 78 77 78 82 85 86 83 79 78 77 77 83 86 87 83 79 77 76 76 83 Dewpt 75 75 74 74 75 76 75 75 74 74 73 73 75 76 76 75 74 73 71 71 72 RH 88 91 90 88 79 75 70 77 85 88 87 87 77 72 70 77 85 87 85 85 70 Wind dir SE SE SE SE SE SE SE SE E E E E E SE SE SE E NE NE NE E Wind spd 6 8 8 8 9 10 9 6 6 5 5 6 9 12 11 9 6 5 5 4 5 Wind gust 20 24 20 21 25 24 20 Clouds B2 B1 B1 SC FW SC FW SC FW SC FW SC SC SC SC SC FW FW FW FW FW PoP 12hr 60 20 20 20 5 QPF 12hr 0.18-0.36 0.01-0.41 0.01-0.14 0.01-0.15 0.01 Snow 12hr MM MM MM Rain shwrs NM SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H H H H H H H H H H Heat index 83 80 89 95 95 90 84 80 90 97 97 91 83 88 Max heat 101 95 99 108 106 95 99 110 108 95 96 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 74 88 75 84 76 86 76 87 Temp 88 79 75 83 88 79 76 81 84 79 76 82 86 79 77 83 87 79 Dewpt 73 73 71 73 75 74 73 74 75 74 73 74 75 74 72 73 74 72 PWind dir E NE E NE SE E E E E Wind char GN LT LT LT GN LT GN LT LT Avg clouds FW SC FW FW SC B2 B1 B1 B1 B1 SC SC SC B1 FW FW FW SC PoP 12hr 10 5 60 50 50 20 50 0 20 Rain shwrs IS IS IS SC SC SC SC SC IS IS SC SC IS IS IS Tstms IS IS IS $$ PRZ008-190800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 75 83 84 90 94 70 74 83 84 90 94 70 74 83 Temp 79 77 76 77 84 89 90 85 79 77 75 76 84 89 90 85 79 77 75 75 83 Dewpt 75 75 74 74 75 76 76 75 75 74 74 73 75 77 77 76 76 75 73 73 74 RH 88 94 94 90 74 66 64 72 88 90 97 90 74 68 66 75 91 94 94 94 74 Wind dir S S SE SE SE SE SE SE S SE SE SE E E E NE E E E E E Wind spd 9 6 8 4 5 6 5 4 5 3 3 3 5 6 8 5 4 5 8 8 8 Wind gust 21 19 19 Clouds B1 SC SC FW CL CL B1 B2 FW CL CL CL CL CL B1 B1 FW FW FW FW FW PoP 12hr 40 60 5 40 5 QPF 12hr 0.02-0.15 0.60 0 0.20 0.01 Snow 12hr MM MM MM Rain shwrs SC IS IS SC NM IS SC SC Tstms IS IS IS IS IS Obvis H H H H H H H H H H Heat index 80 92101101 93 82 91101102 94 82 89 Max heat 96 93 102 113 109 93 100 113 110 94 98 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 74 87 75 86 74 88 74 88 Temp 88 79 75 82 87 79 76 82 86 78 75 83 88 79 75 83 88 79 Dewpt 75 75 73 75 76 75 75 76 76 74 74 75 76 75 74 75 76 75 PWind dir E E NE NE E SE SE E E Wind char GN GN GN GN GN GN GN LT LT Avg clouds SC SC FW FW SC B1 B1 B1 B1 B1 SC SC SC B1 CL CL FW SC PoP 12hr 30 5 40 40 50 10 60 0 40 Rain shwrs SC SC SC SC SC SC SC SC IS IS NM NM SC SC Tstms IS IS $$ PRZ009-190800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 84 94 66 72 77 75 85 94 65 71 75 Temp 76 75 74 74 80 83 84 81 76 75 73 74 80 84 85 81 76 74 72 72 80 Dewpt 73 74 73 72 74 75 73 72 72 73 72 71 73 75 74 72 73 73 71 69 72 RH 90 97 97 93 82 77 70 74 87 94 97 90 79 74 70 74 90 97 97 90 77 Wind dir S S SE SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E Wind spd 6 5 6 5 6 9 6 4 4 4 4 4 5 9 9 5 3 3 4 4 4 Wind gust 19 21 25 21 20 25 25 20 Clouds B1 B1 B1 SC FW FW SC B1 FW FW CL FW FW FW B1 B1 FW FW FW FW FW PoP 12hr 50 50 5 40 5 QPF 12hr 0.10-0.24 0.02-0.60 0.01 0.01-0.20 0.01 Snow 12hr MM MM MM Rain shwrs SC SC SC IS SC SC IS SC SC Tstms IS IS IS IS IS Obvis H H H H H H H H H H H Heat index 84 91 91 84 85 92 93 85 83 Max heat 96 85 99 111 106 87 99 111 108 84 95 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 71 84 72 82 72 84 72 84 Temp 85 76 72 79 84 76 73 78 82 75 73 79 84 76 73 80 84 76 Dewpt 72 72 71 72 74 72 72 74 74 72 72 73 74 72 72 73 72 72 PWind dir E NE NE NE SE SE SE E E Wind char LT LT LT LT GN LT GN LT LT Avg clouds SC SC FW FW SC B2 B1 B1 B1 B1 SC SC SC B1 CL CL FW SC PoP 12hr 40 5 60 40 50 10 60 0 50 Rain shwrs SC SC NM SC SC SC SC SC IS IS NM NM SC SC Tstms IS IS IS IS $$ PRZ010-190800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 77 83 75 90 94 72 76 83 77 90 94 70 75 83 Temp 80 78 77 78 85 89 90 85 80 78 77 77 85 89 90 85 80 77 76 76 84 Dewpt 76 76 76 75 77 78 77 76 76 75 74 73 76 78 78 77 77 76 74 72 74 RH 88 94 97 91 77 70 66 75 88 91 90 87 75 70 68 77 91 97 94 87 72 Wind dir S S SE SE SE SE SE SE SE SE E E E SE SE E E E E E E Wind spd 13 11 13 10 12 13 11 8 6 8 8 6 8 10 10 5 4 4 6 8 6 Wind gust 26 25 26 25 26 24 24 19 21 20 21 20 23 23 23 21 19 16 24 21 21 Clouds B2 B1 B1 FW FW FW SC B1 FW CL CL FW FW FW SC SC FW FW FW FW FW PoP 12hr 60 40 0 40 5 QPF 12hr 0.11-0.21 0.01-0.60 0.01 0.01-0.20 0.01 Snow 12hr MM MM MM Rain shwrs NM SC SC IS SC SC IS SC SC Tstms IS IS IS IS IS Obvis H H H H H H H H H H H H H H Heat index 83 80 95103103 95 85 80 94103104 96 84 91 Max heat 99 93 103 115 110 94 100 116 113 94 98 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 75 89 75 88 76 89 76 90 Temp 90 80 76 84 89 80 76 83 88 80 76 84 89 80 77 84 90 80 Dewpt 76 75 73 75 77 76 75 76 77 75 75 76 77 75 74 75 76 76 PWind dir E NE NE NE SE SE SE E E Wind char LT GN GN GN BZ GN GN LT LT Avg clouds SC SC FW FW SC B1 SC B1 B1 B1 SC SC SC B1 FW FW SC SC PoP 12hr 40 5 50 30 50 20 60 0 50 Rain shwrs SC SC NM SC SC SC SC SC IS IS NM NM SC SC Tstms IS IS IS IS $$ PRZ011-190800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 83 84 90 93 73 77 83 84 91 94 71 75 83 Temp 80 79 78 79 85 89 90 86 81 79 78 78 86 90 91 86 80 78 76 77 85 Dewpt 77 77 76 75 78 79 78 77 77 76 74 74 77 79 78 78 77 76 73 72 74 RH 91 94 94 88 80 73 68 75 88 91 88 88 75 70 66 77 91 94 90 85 70 Wind dir SE SE SE SE SE SE SE SE SE E E E E SE SE SE E E E E E Wind spd 12 12 13 13 14 16 13 12 10 11 10 11 13 16 16 12 9 10 8 9 6 Wind gust 26 25 28 27 28 29 26 24 23 24 23 23 27 28 28 25 21 23 23 Clouds B2 B1 B1 SC FW FW CL FW CL FW FW SC FW FW FW FW FW FW FW FW FW PoP 12hr 60 5 20 5 5 QPF 12hr 0.20 0.01 0.02 0.01-0.15 0.01 Snow 12hr MM MM MM Rain shwrs NM SC SC IS IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H H H H H H H H H H Heat index 86 81 80 97106105 98 88 83 96106107 98 86 93 Max heat 99 94 100 113 110 94 100 114 111 94 96 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 92 74 92 75 90 76 91 76 91 Temp 92 80 75 85 92 81 76 84 90 81 77 85 91 81 77 86 91 80 Dewpt 77 76 72 74 77 77 74 76 77 76 74 76 78 76 74 75 76 75 PWind dir E NE NE NE SE E SE E E Wind char GN LT LT LT GN GN GN GN LT Avg clouds SC SC FW FW SC B2 B1 B1 B1 B1 SC SC SC SC CL CL FW SC PoP 12hr 30 5 60 40 50 10 50 0 30 Rain shwrs SC SC NM NM SC SC SC SC IS IS SC SC SC SC Tstms IS IS $$ PRZ012-190800- Culebra- Including the city of Culebra 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 80 83 84 89 93 77 80 83 84 89 93 77 80 83 Temp 83 82 81 81 85 88 89 86 83 81 81 81 85 88 89 86 83 81 80 80 85 Dewpt 78 79 78 77 78 78 78 78 77 78 78 78 78 78 78 78 77 77 76 76 77 RH 85 91 91 88 80 72 70 77 82 91 91 91 80 72 70 77 82 88 88 88 77 Wind dir S SE SE SE SE SE SE SE SE SE SE E E E E E E E E E E Wind spd 14 16 13 13 13 16 13 13 13 14 17 17 17 17 17 16 16 16 16 17 16 Clouds SC SC B1 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 30 20 50 50 30 QPF 12hr 0.16 0.07 0.17 0.28 0.04 Snow 12hr MM MM MM Rain shwrs SC IS SC SC IS IS IS IS IS SC SC SC SC SC SC SC IS IS IS IS SC Tstms Obvis H H H H H H H Heat index 92 91 87 89 97101102 98 92 90 87 88 98102102 98 92 89 85 86 95 Max heat 103 97 102 109 107 96 104 109 108 95 100 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 80 88 78 88 80 89 80 88 Temp 88 82 80 85 88 82 79 85 88 83 81 85 89 83 81 85 88 83 Dewpt 77 76 76 77 78 77 77 77 78 77 77 77 78 77 77 77 77 77 PWind dir E NE NE NE S SE SE E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 40 40 60 60 60 50 50 30 30 Rain shwrs SC SC SC SC SC NM NM NM NM NM SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS $$ PRZ013-190800- Vieques- Including the city of Vieques 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 79 83 84 89 92 76 79 83 84 89 92 75 79 83 Temp 82 81 80 80 85 88 89 86 82 81 80 80 85 88 89 86 82 80 80 80 85 Dewpt 76 77 77 76 77 76 76 76 76 76 77 77 77 77 76 76 75 76 75 75 75 RH 82 88 91 88 77 68 66 72 82 85 91 91 77 70 66 72 79 88 85 85 72 Wind dir S SE SE SE SE SE SE SE SE E SE E E E E E E E E E E Wind spd 14 16 13 13 12 13 12 11 11 13 17 16 17 16 16 14 16 16 16 17 16 Clouds B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B2 B2 SC SC SC SC SC SC SC PoP 12hr 40 30 50 50 30 QPF 12hr 0.17-0.34 0.07 0.19 0.17-0.29 0.04 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC IS IS IS SC SC SC SC SC SC SC IS IS IS IS SC Tstms IS Obvis H H H H H H H Heat index 89 88 83 85 95 99100 96 89 87 83 85 96100100 96 89 86 81 83 93 Max heat 99 94 100 105 104 94 100 106 105 93 98 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 79 88 77 88 79 89 79 89 Temp 89 82 79 84 88 81 78 84 88 82 79 85 89 82 80 85 89 82 Dewpt 74 75 76 76 75 75 76 76 75 75 76 76 75 76 76 76 75 75 PWind dir E NE NE NE S SE SE E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC PoP 12hr 30 40 60 60 60 50 50 30 30 Rain shwrs SC SC SC SC SC NM NM NM NM NM SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS $$ VIZ001-190800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 80 83 84 87 94 72 79 83 84 87 94 72 79 83 Temp 82 81 80 80 84 86 87 84 82 81 80 80 84 86 87 84 81 81 80 80 84 Dewpt 77 78 77 77 77 77 76 77 76 78 78 77 77 77 76 77 76 76 76 75 75 RH 85 91 91 91 80 75 70 80 82 91 94 91 80 75 70 80 85 85 88 85 74 Wind dir SE SE SE SE SE SE SE SE SE E E E E E E E E E E E E Wind spd 14 14 14 12 14 14 16 12 14 17 18 18 18 18 18 16 14 17 18 18 17 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC PoP 12hr 20 20 30 30 30 QPF 12hr 0.04 0.06 0.13 0.09 0.04 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS SC SC SC SC SC IS IS IS IS IS IS SC Obvis H H H H H H H H H H Heat index 89 88 85 86 93 97 97 94 89 88 85 85 94 98 97 94 88 86 83 84 92 Max heat 102 97 104 109 108 96 104 109 107 94 100 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 79 86 78 87 79 87 79 87 Temp 87 81 79 84 86 81 79 83 87 82 80 84 87 82 80 84 87 81 Dewpt 74 75 76 76 76 76 77 76 76 76 77 77 76 76 77 76 75 76 PWind dir E NE NE NE S SE SE E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC PoP 12hr 40 50 60 60 60 50 50 20 30 Rain shwrs SC SC SC SC SC NM NM NM NM SC SC SC SC IS IS IS IS SC Tstms IS IS IS IS IS $$ VIZ002-190800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 502 PM AST Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu 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 80 83 84 88 94 77 79 83 84 88 94 76 79 83 Temp 82 81 80 81 85 87 88 85 82 81 80 80 85 87 88 85 82 81 80 80 85 Dewpt 77 77 77 77 77 77 77 77 76 78 77 77 77 77 77 77 76 76 75 75 75 RH 85 88 91 88 77 72 70 77 82 91 91 91 77 72 70 77 82 85 85 85 72 Wind dir SE SE SE SE SE SE SE SE E E E E E E E E E E E E E Wind spd 10 12 11 10 13 12 16 12 11 13 14 16 17 16 18 14 13 16 17 16 16 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC CL CL SC SC SC SC SC PoP 12hr 30 20 30 30 20 QPF 12hr 0.04 0.05 0.12 0.09 0.04 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS IS IS IS IS SC SC SC SC IS IS IS IS IS Obvis H H H H H H H H H H H Heat index 91 88 85 86 95 99100 96 90 88 85 86 96100100 96 89 87 83 84 93 Max heat 101 94 103 112 109 96 102 112 109 93 99 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 78 88 79 88 79 88 Temp 88 82 79 84 88 81 79 84 88 82 80 85 88 82 80 85 88 82 Dewpt 75 75 76 76 76 76 76 76 76 76 77 77 77 76 76 76 76 76 PWind dir E NE NE E S SE E E E Wind char GN BZ BZ GN BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC FW FW PoP 12hr 30 50 60 60 60 50 40 30 30 Rain shwrs IS SC SC SC SC NM NM NM NM SC SC SC SC IS SC IS IS SC Tstms IS IS IS IS $$