Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
385 FOCA52 TJSJ 210902 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 502 AM AST Thu Aug 21 2025 PRZ001-212000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 82 88 90 72 78 82 79 86 89 73 77 82 79 86 89 Temp 84 87 88 85 81 79 78 78 83 85 86 83 80 79 78 78 82 85 86 83 80 Dewpt 75 76 76 76 75 75 75 74 76 77 77 78 77 76 76 75 76 77 77 77 76 RH 74 70 68 75 82 88 91 88 80 77 75 85 91 91 94 91 82 77 75 82 88 Wind dir E E E E E E E E NE NE NE NE NE NE E SE SE SE SE SE SE Wind spd 9 11 12 12 6 6 8 5 6 10 10 8 4 4 4 3 4 5 6 5 6 Clouds FW FW FW CL CL CL CL CL B1 B1 B1 B1 B1 B1 SC SC CL CL B1 B1 SC PoP 12hr 5 40 50 50 50 QPF 12hr 0.02 0.05 0.23-0.69 0.19-0.60 0.43-0.95 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC IS Tstms IS IS IS IS IS IS IS IS Obvis H H H H H H H H Heat index 92 98 99 94 86 82 80 80 91 96 97 93 85 81 90 96 97 93 85 Max heat 97 108 106 91 96 106 104 92 97 106 106 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 78 90 78 88 78 86 77 87 Temp 78 85 90 82 79 84 88 82 79 83 86 80 78 83 87 80 Dewpt 76 77 77 77 76 76 77 76 75 76 77 76 76 77 77 76 PWind dir SE E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC SC SC SC SC SC SC B1 SC B1 B1 B1 SC PoP 12hr 10 20 20 20 50 50 50 50 Rain shwrs IS IS IS IS IS IS IS IS IS SC SC IS SC SC SC SC Tstms IS IS IS IS $$ PRZ002-212000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 72 87 91 66 76 82 72 86 91 66 75 82 71 85 89 Temp 83 86 87 84 80 78 77 77 82 85 86 83 79 77 76 76 81 84 85 82 79 Dewpt 74 75 75 75 74 75 74 74 75 76 76 76 75 75 75 75 75 76 76 76 75 RH 74 70 68 74 82 91 90 90 79 75 72 80 88 94 97 97 82 77 75 82 88 Wind dir E E E E NE NE NE NE NE NE NE NE NE NE E E SE SE SE SE SE Wind spd 11 11 12 11 8 8 9 8 8 10 10 6 5 5 5 3 4 6 9 8 6 Wind gust 19 Clouds SC SC SC CL FW CL CL FW B2 B2 B2 B2 B2 B2 B1 B1 CL CL SC SC SC PoP 12hr 20 50 60 50 50 QPF 12hr 0.04 0.06 0.57-0.81 0.20-0.84 0.14-0.93 Snow 12hr MM MM MM Rain shwrs IS IS IS IS NM SC NM NM SC SC SC SC SC SC SC SC IS Tstms IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H Heat index 89 95 96 91 84 80 89 95 96 91 83 87 93 94 90 83 Max heat 97 106 105 91 100 108 106 92 96 105 105 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 87 77 87 76 86 76 86 Temp 77 83 87 81 78 83 87 80 77 82 86 79 76 82 86 79 Dewpt 76 76 76 76 75 75 75 75 75 75 76 75 75 76 76 75 PWind dir SE E E E E E E E Wind char LT GN GN GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 10 20 40 40 50 50 50 50 Rain shwrs IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS $$ PRZ003-212000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 88 93 69 76 82 78 87 91 68 75 82 75 84 89 Temp 83 87 88 84 80 78 76 77 83 86 87 83 79 77 76 76 81 84 84 82 79 Dewpt 74 74 75 75 73 74 74 73 74 75 76 77 75 75 75 74 75 77 77 77 75 RH 74 65 66 74 79 88 94 87 74 70 70 82 88 94 97 94 82 80 80 85 88 Wind dir E E E E NE NE NE NE NE NE E E NE NE NE E E SE SE SE SE Wind spd 9 10 13 11 8 6 8 6 6 10 11 8 5 5 4 4 4 8 9 5 3 Wind gust 20 25 23 18 20 24 Clouds FW FW SC FW FW FW CL FW B1 B1 B1 B1 B2 B2 B2 B2 CL CL SC SC SC PoP 12hr 10 40 60 60 60 QPF 12hr 0.02 0.05 0.45-0.81 0.74-0.84 0.42-0.52 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC SC SC NM NM NM NM NM NM IS IS IS Tstms IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H Heat index 90 96 98 92 83 89 95 98 93 83 87 93 94 90 83 Max heat 98 108 106 90 97 109 108 92 96 105 105 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 87 76 86 76 86 Temp 77 83 87 80 78 83 87 80 77 83 86 79 77 82 86 79 Dewpt 76 77 76 75 75 75 75 74 75 75 76 75 75 76 76 75 PWind dir E E E E NE E NE E Wind char LT GN GN GN GN GN LT GN Avg clouds SC SC SC SC SC SC SC FW SC B1 B1 SC B1 B1 B1 B1 PoP 12hr 10 20 40 40 50 50 50 50 Rain shwrs IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS $$ PRZ004-212000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 86 92 68 73 77 75 85 91 68 73 78 74 83 89 Temp 81 85 86 82 77 76 74 74 80 84 85 81 77 75 74 74 79 82 83 80 77 Dewpt 73 73 73 73 72 73 72 72 74 74 75 75 74 74 73 73 74 75 75 75 74 RH 77 67 65 74 85 90 93 93 82 72 72 82 90 97 97 97 85 79 77 85 90 Wind dir E E E E NE NE NE NE NE NE NE NE NE NE NE E SE SE SE SE SE Wind spd 8 9 11 10 4 3 4 3 4 8 8 5 3 2 2 1 3 6 9 6 4 Clouds SC SC SC CL CL CL CL CL B1 B1 B1 B1 B2 B2 B2 B2 CL CL SC SC SC PoP 12hr 10 40 60 60 50 QPF 12hr 0.03 0.05 0.35-0.81 0.60-0.84 0.36-0.93 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC SC NM NM SC SC SC SC IS IS IS Tstms IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H Heat index 86 92 93 87 84 90 93 86 82 89 90 85 Max heat 98 105 103 87 96 106 105 90 94 105 103 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 86 74 85 74 84 73 84 Temp 75 82 86 78 75 81 85 78 75 80 84 77 74 80 84 77 Dewpt 74 75 75 74 73 74 74 73 73 74 74 73 73 75 75 74 PWind dir SE E E E NE E E E Wind char LT GN LT GN LT LT LT GN Avg clouds SC SC SC SC SC SC SC FW SC SC B1 SC B1 B1 B1 SC PoP 12hr 10 20 40 40 50 50 50 50 Rain shwrs IS IS IS IS IS IS SC IS IS SC SC SC SC SC SC SC Tstms IS IS IS IS $$ PRZ005-212000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 94 73 76 82 83 87 91 74 76 82 82 86 89 Temp 84 89 90 85 81 79 77 77 83 86 87 84 80 78 77 77 82 85 86 83 79 Dewpt 76 77 76 76 75 75 75 74 77 78 78 77 77 77 76 75 77 79 78 77 76 RH 77 68 64 75 82 88 94 90 82 77 75 80 91 97 97 94 85 82 77 82 91 Wind dir E E NE NE E E E E E NE NE NE NE E E E SE E E NE E Wind spd 8 12 13 14 11 9 10 8 10 11 11 9 5 5 4 5 5 5 5 3 2 Wind gust 25 26 21 Clouds CL CL FW FW CL FW CL FW SC SC SC SC B1 B1 SC SC CL CL OV OV B1 PoP 12hr 5 10 30 30 70 QPF 12hr 0.01 0.02 0.10-0.34 0.03-0.20 0.93-1.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS SC SC IS IS IS IS NM NM SC Tstms IS IS IS Obvis H H H H H H H H Heat index 94101102 96 86 80 92 98100 94 84 91 98 99 92 82 Max heat 101 112 111 91 98 111 109 92 97 110 106 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 89 77 87 76 88 Temp 77 85 91 81 77 84 89 81 78 84 87 80 77 83 88 79 Dewpt 75 77 78 76 75 77 77 75 75 77 77 76 75 77 78 76 PWind dir SE E E E E E E E Wind char LT GN LT GN GN GN LT GN Avg clouds B1 B1 B1 B1 CL CL FW SC FW FW SC SC SC SC SC SC PoP 12hr 50 70 0 10 10 30 5 50 Rain shwrs SC SC SC NM IS IS IS IS IS IS IS IS IS NM Tstms IS IS IS IS IS IS $$ PRZ006-212000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 84 92 62 72 76 72 82 90 63 72 77 72 81 87 Temp 80 83 84 80 76 74 73 73 78 81 82 79 75 74 73 73 78 80 81 79 76 Dewpt 72 72 72 72 72 72 71 71 72 73 74 74 73 73 72 72 73 74 74 74 73 RH 77 70 67 77 87 93 93 93 82 77 77 85 94 97 97 97 85 82 79 85 90 Wind dir E E E E NE NE NE NE NE NE NE NE NE NE NE E SE SE SE SE SE Wind spd 5 9 9 10 5 4 5 3 5 8 8 5 2 3 2 2 3 5 5 3 2 Wind gust 20 24 20 20 23 Clouds FW FW FW FW CL FW CL CL SC SC SC SC B1 B1 B1 B1 CL CL B1 B1 SC PoP 12hr 10 20 50 50 40 QPF 12hr 0.02 0.03 0.16-0.56 0.20-0.74 0.36-1.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC SC SC SC SC SC SC IS Tstms IS IS IS IS IS IS Obvis H H H H H H H H Heat index 83 89 90 84 80 85 87 82 80 85 86 82 Max heat 96 106 105 87 93 103 102 86 93 101 101 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 84 73 83 73 82 72 82 Temp 73 80 84 76 73 79 83 77 74 79 82 75 73 78 82 75 Dewpt 72 74 73 72 72 73 72 71 71 73 73 72 72 73 74 73 PWind dir SE E E E E E E E Wind char LT LT LT GN LT LT LT LT Avg clouds SC SC SC SC FW FW FW SC FW FW SC SC SC SC SC SC PoP 12hr 20 50 0 10 10 30 30 30 Rain shwrs IS IS IS SC IS IS IS IS IS IS IS IS IS IS SC IS Tstms IS IS IS $$ PRZ007-212000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 73 88 95 64 75 82 72 87 94 65 76 82 72 84 89 Temp 84 87 88 84 79 77 76 76 82 86 87 84 80 78 77 77 81 83 84 82 80 Dewpt 72 73 73 74 73 72 71 70 72 73 75 75 74 74 73 72 74 75 75 75 74 RH 67 63 61 72 82 85 85 82 72 65 68 74 82 88 87 85 79 77 74 79 82 Wind dir E E SE E NE NE NE NE NE E SE E NE NE NE NE E SE SE SE E Wind spd 4 10 11 9 6 5 5 4 4 9 9 2 2 3 3 3 3 8 8 5 4 Wind gust 23 25 24 20 23 20 19 Clouds CL CL FW SC CL SC CL CL SC SC SC SC B2 B2 B1 B1 CL CL B1 B1 SC PoP 12hr 10 20 50 50 40 QPF 12hr 0.03 0.03 0.17-0.55 0.20-0.74 0.14-0.93 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC IS Tstms IS IS IS IS IS IS Obvis H H H H H H H H Heat index 89 95 97 92 83 87 93 96 92 84 80 86 91 92 89 84 Max heat 97 109 109 91 95 108 106 93 94 104 104 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 76 88 77 87 76 86 Temp 78 84 87 80 77 84 88 81 78 83 87 80 77 82 86 79 Dewpt 74 75 75 74 72 73 73 73 71 72 74 74 72 74 75 74 PWind dir E E E E NE E E E Wind char LT GN LT GN LT LT LT GN Avg clouds SC SC SC SC FW FW FW SC FW FW SC SC SC SC SC SC PoP 12hr 10 20 0 40 5 40 20 20 Rain shwrs IS IS IS IS SC SC IS IS SC IS IS IS IS $$ PRZ008-212000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 89 96 71 75 82 83 87 95 72 75 82 82 85 89 Temp 84 88 89 85 80 78 76 76 83 87 87 84 79 77 76 76 81 84 85 82 79 Dewpt 74 75 75 74 74 74 73 73 74 76 76 75 75 75 75 74 75 76 76 75 75 RH 72 66 64 70 82 88 90 90 74 70 70 74 88 94 97 94 82 77 75 79 88 Wind dir E E NE NE E E E E E NE NE NE NE E E E E E NE NE E Wind spd 9 11 13 14 13 11 11 10 12 12 12 11 9 8 8 8 6 5 3 3 1 Wind gust 24 25 25 21 23 18 Clouds CL CL SC SC CL FW CL FW FW FW SC SC SC SC FW FW CL CL OV OV B2 PoP 12hr 10 10 20 20 70 QPF 12hr 0.02 0.01 0.05-0.12 0.03 1.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS NM NM NM Tstms IS IS IS Obvis H H H H H H H H Heat index 90 97 99 92 83 90 96 98 91 82 87 94 95 89 80 Max heat 99 113 112 91 100 112 110 92 96 105 103 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 88 75 89 76 87 75 87 Temp 76 83 88 79 76 83 89 80 77 83 87 79 76 83 87 78 Dewpt 74 75 77 75 74 75 75 74 74 75 76 75 74 75 77 75 PWind dir SE E E E E E E E Wind char LT GN GN GN GN GN GN GN Avg clouds B2 B2 B2 B1 FW FW FW SC CL FW SC SC FW FW SC B1 PoP 12hr 60 70 0 30 5 30 5 70 Rain shwrs NM SC NM NM IS IS SC SC IS SC NM NM Tstms IS IS IS IS IS IS $$ PRZ009-212000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 86 95 64 72 75 73 84 94 65 73 77 72 82 89 Temp 81 85 86 82 77 75 73 73 79 83 84 81 76 75 74 74 79 82 82 80 77 Dewpt 71 72 72 72 72 72 71 70 72 73 73 73 73 73 72 71 73 74 74 73 72 RH 72 65 63 72 85 90 93 90 79 72 70 77 90 94 93 90 82 77 77 79 85 Wind dir E E E NE NE E E E E NE NE NE NE E E E E SE SE E E Wind spd 4 6 5 6 5 5 5 4 6 6 4 4 3 3 3 3 3 3 4 2 3 Wind gust 21 21 16 19 Clouds CL CL SC SC CL SC CL CL FW FW SC SC B1 B1 SC SC CL CL B2 B2 B1 PoP 12hr 20 20 40 40 70 QPF 12hr 0.01-0.08 0.02 0.06-0.32 0.03-0.30 0.64-1.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS SC SC IS IS IS IS NM NM SC Tstms IS IS IS Obvis H H H H H H H H Heat index 84 91 93 86 82 89 91 85 81 87 88 83 Max heat 95 109 107 86 96 107 106 88 93 103 102 Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 85 72 86 73 84 72 83 Temp 74 81 85 76 73 81 86 77 74 80 84 76 73 79 83 76 Dewpt 72 73 73 72 71 72 71 71 71 72 73 72 72 73 74 73 PWind dir SE E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B1 B1 B1 CL CL FW SC CL FW SC SC FW FW SC B1 PoP 12hr 40 60 0 40 5 50 5 50 Rain shwrs SC SC SC NM SC SC SC SC NM NM Tstms IS IS IS IS IS IS IS IS IS $$ PRZ010-212000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 79 91 96 69 75 82 78 90 95 70 75 82 76 86 89 Temp 85 90 91 86 80 78 76 77 84 89 90 86 80 78 76 76 82 86 86 83 80 Dewpt 74 75 75 76 75 74 73 72 74 76 76 76 76 76 75 74 75 77 77 76 76 RH 70 62 60 72 85 88 90 85 72 66 64 72 88 94 97 94 79 75 75 80 88 Wind dir E E NE NE E E E E E E E NE NE NE E E E SE SE E E Wind spd 6 5 6 8 10 10 10 9 10 8 5 5 8 9 8 6 5 4 5 5 5 Wind gust 18 18 18 24 24 25 27 21 20 18 23 24 24 20 19 17 Clouds CL CL SC SC FW SC CL CL FW FW FW FW SC SC FW FW CL CL B2 B2 B1 PoP 12hr 30 20 30 30 70 QPF 12hr 0.02-0.09 0.03 0.01-0.30 0.01-0.24 0.78-1.10 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS SC SC IS IS IS IS NM NM SC Tstms IS IS IS IS IS Obvis H H H H H H H Heat index 92100102 96 84 92101102 96 85 89 97 98 92 84 Max heat 99 113 112 90 100 113 112 92 96 108 103 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 89 75 90 76 90 75 89 Temp 78 85 89 80 76 85 90 81 77 85 90 80 76 84 89 80 Dewpt 75 76 77 76 74 75 76 75 74 75 76 76 74 75 77 76 PWind dir E E E E E E E E Wind char LT LT LT LT GN LT GN LT Avg clouds B1 B1 B1 B1 FW FW FW SC CL CL SC SC FW FW SC SC PoP 12hr 40 60 5 40 0 40 5 50 Rain shwrs SC SC SC NM IS IS SC SC SC SC IS NM Tstms IS IS IS IS IS IS IS IS $$ PRZ011-212000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 93 96 70 74 82 83 92 95 72 75 82 83 88 89 Temp 86 92 93 87 80 78 75 76 85 91 92 87 81 78 76 76 83 87 88 85 81 Dewpt 74 75 76 77 76 75 72 71 74 76 77 77 77 76 74 74 76 78 78 77 77 RH 68 58 58 72 88 91 90 85 70 62 62 72 88 94 94 94 80 75 72 77 88 Wind dir E E SE E E E E NE E SE S S NE NE NE E E SE SE SE E Wind spd 6 12 12 6 6 5 4 4 3 8 10 3 2 3 3 4 6 11 12 10 9 Wind gust 25 25 20 23 23 21 20 Clouds CL CL SC SC FW SC CL CL FW FW SC SC B2 B2 SC SC CL CL B1 B1 SC PoP 12hr 30 20 60 60 50 QPF 12hr 0.03-0.09 0.03 0.19-0.42 0.18-0.30 0.14-0.94 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS NM NM IS IS IS IS SC SC IS Tstms IS IS IS IS IS IS Obvis H H H H H H H H Heat index 94103105 98 85 92103106 98 86 91100101 96 87 Max heat 98 112 110 91 96 112 110 91 94 106 105 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 78 91 75 92 75 92 75 91 Temp 79 86 91 81 76 86 92 81 76 86 92 81 76 85 91 81 Dewpt 75 77 78 77 73 74 77 76 73 74 77 76 73 75 78 77 PWind dir E E E E E E E E Wind char GN GN GN GN LT GN LT GN Avg clouds SC SC SC SC CL CL FW SC CL CL SC SC SC SC SC SC PoP 12hr 10 20 0 50 5 40 10 10 Rain shwrs IS IS IS IS SC SC SC SC IS IS IS IS Tstms IS IS IS $$ PRZ012-212000- Culebra- Including the city of Culebra 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 88 92 76 79 82 83 87 91 76 79 82 83 87 89 Temp 85 87 88 85 82 81 80 80 84 87 87 85 82 80 79 80 84 86 87 85 82 Dewpt 76 76 76 77 75 76 76 76 77 77 77 78 77 77 77 76 77 77 78 78 78 RH 75 70 68 77 79 85 88 88 80 72 72 80 85 91 94 88 80 75 75 80 88 Wind dir E E E E NE NE NE NE NE E NE NE NE E E SE SE SE S SE SE Wind spd 17 16 16 13 13 17 16 13 13 13 12 9 11 11 9 6 6 8 11 10 9 Clouds SC SC SC CL FW CL CL FW B2 B2 B2 B2 B2 B2 B1 B1 CL CL SC SC SC PoP 12hr 20 50 60 60 60 QPF 12hr 0.04 0.07 0.79 0.68-0.74 0.54-0.61 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS NM SC NM NM SC SC SC SC NM NM IS IS SC Tstms IS IS IS IS IS IS IS IS Obvis H H H H H H H H Heat index 93 98 98 95 89 87 84 84 94 98 99 96 89 86 82 82 93 98 99 96 91 Max heat 99 106 106 91 98 106 105 93 97 105 105 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 88 80 88 80 88 79 88 Temp 81 85 88 83 81 85 88 82 80 85 88 82 80 85 88 82 Dewpt 78 78 78 78 77 77 77 77 77 77 77 77 77 77 77 77 PWind dir SE E E E E E E E Wind char GN GN BZ BZ BZ GN BZ GN Avg clouds SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 30 40 40 50 50 50 50 Rain shwrs SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS $$ PRZ013-212000- Vieques- Including the city of Vieques 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 88 91 76 79 82 83 87 90 74 78 82 82 87 89 Temp 84 87 88 85 82 80 79 80 84 87 87 84 81 79 78 78 83 86 87 84 81 Dewpt 74 75 74 75 74 74 74 74 75 76 75 76 76 76 76 75 76 76 75 76 76 RH 72 68 63 72 77 82 85 82 74 70 68 77 85 91 94 91 80 72 68 77 85 Wind dir E E E E NE NE NE NE NE NE NE NE NE E E E SE SE S SE SE Wind spd 17 14 16 14 13 17 16 14 13 13 11 9 9 10 9 6 6 8 11 9 9 Clouds SC SC SC CL FW CL CL FW B2 B2 B2 B2 B2 B2 B2 B2 CL CL SC SC SC PoP 12hr 20 50 60 60 60 QPF 12hr 0.04 0.08 0.72-0.82 0.78-0.84 0.52-0.61 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS NM NM SC SC NM NM SC SC NM NM IS IS SC Tstms IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H Heat index 92 96 96 93 88 85 82 82 92 97 97 94 87 82 80 80 91 96 96 94 88 Max heat 95 102 101 90 96 102 100 91 94 102 100 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 79 89 79 88 79 88 78 88 Temp 80 85 89 82 80 85 88 82 79 84 88 81 79 84 88 82 Dewpt 77 77 76 76 76 76 75 75 76 76 76 76 76 76 75 76 PWind dir SE E E E E E E E Wind char GN GN BZ BZ BZ BZ BZ GN Avg clouds SC SC SC SC SC SC SC FW SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 30 40 40 50 50 50 50 Rain shwrs SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS $$ VIZ001-212000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 82 86 93 71 79 82 82 85 94 71 78 82 81 85 89 Temp 83 85 86 84 81 80 79 79 83 85 85 83 81 80 79 79 83 85 85 83 81 Dewpt 75 75 74 75 74 75 76 75 76 76 76 77 76 77 76 75 76 76 76 77 77 RH 77 72 68 74 79 85 91 88 80 75 75 82 85 91 91 88 80 75 75 82 88 Wind dir E E E E NE NE NE NE NE NE NE NE NE E E SE SE S S SE SE Wind spd 17 18 16 12 16 17 14 14 16 16 12 10 10 10 8 5 6 10 10 9 9 Clouds SC SC SC CL FW FW FW SC B2 B2 B2 B2 B2 B2 B2 B2 CL CL SC SC SC PoP 12hr 20 50 60 60 60 QPF 12hr 0.05 0.09 0.79 0.74-0.84 0.61 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS NM SC NM NM SC SC SC SC NM NM SC SC SC Tstms IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H Heat index 90 94 94 91 86 84 82 83 91 95 95 92 86 84 81 81 90 94 94 93 88 Max heat 99 106 106 93 100 110 106 94 98 105 103 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 86 79 86 79 86 79 86 Temp 80 84 86 82 80 84 86 81 79 83 86 81 79 83 86 81 Dewpt 78 77 76 76 77 76 76 76 77 76 76 76 77 76 76 76 PWind dir SE E E E E E E E Wind char GN BZ BZ BZ BZ BZ BZ GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 30 30 30 30 30 30 40 50 Rain shwrs SC SC SC SC IS IS IS IS IS IS IS IS IS SC SC SC Tstms IS $$ VIZ002-212000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 502 AM AST Thu Aug 21 2025 Date Thu 08/21/25 Fri 08/22/25 Sat 08/23/25 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 87 94 76 79 82 83 87 94 76 78 82 82 86 89 Temp 84 87 87 85 81 80 79 80 84 86 87 84 81 80 79 79 83 85 86 84 82 Dewpt 75 75 75 75 75 75 75 75 76 77 76 77 76 76 76 76 77 77 77 78 77 RH 74 68 68 72 82 85 88 85 77 75 70 80 85 88 91 91 82 77 75 82 85 Wind dir E E E E NE NE NE NE NE NE E E E E SE SE SE SE SE SE SE Wind spd 12 14 13 12 13 14 13 12 13 13 10 6 6 5 3 4 6 11 11 10 8 Clouds SC SC SC CL FW CL FW SC B2 B2 SC SC B2 B2 B2 B2 CL CL SC SC SC PoP 12hr 20 50 60 60 60 QPF 12hr 0.03 0.12 0.31 0.74 0.61 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC NM NM IS IS SC SC SC SC NM NM SC SC SC Tstms IS IS IS IS IS IS IS IS IS Obvis H H H H H H H Heat index 93 96 96 93 87 85 82 83 93 97 98 94 87 85 80 81 92 96 97 94 89 Max heat 100 109 107 91 100 109 107 92 97 105 105 Heat Y Y Date Sun 08/24/25 Mon 08/25/25 Tue 08/26/25 Wed 08/27/25 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 79 88 79 88 79 87 79 87 Temp 80 85 88 82 80 85 88 82 80 84 87 82 80 84 87 82 Dewpt 77 77 77 77 76 76 76 76 76 76 77 76 76 77 76 76 PWind dir E E E E E E E E Wind char GN BZ BZ BZ BZ GN GN GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 PoP 12hr 30 30 20 20 20 20 50 50 Rain shwrs SC SC SC SC IS IS IS IS IS IS IS IS IS SC SC SC Tstms IS IS IS $$