


Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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238 FOCA52 TJSJ 150902 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 502 AM AST Tue Jul 15 2025 PRZ001-152000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 81 88 91 73 77 82 79 87 90 72 77 82 81 88 92 Temp 83 87 88 85 80 78 77 78 83 86 87 85 80 79 77 78 84 87 88 85 80 Dewpt 75 76 77 77 76 76 75 75 76 77 77 77 76 76 76 75 77 77 77 78 76 RH 77 70 70 77 88 94 94 91 80 75 72 77 88 91 97 91 80 72 70 80 88 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 9 11 14 14 10 8 8 6 10 14 13 12 8 8 8 8 10 13 14 12 8 Wind gust 25 25 18 Clouds SC SC B1 B2 B1 SC SC B1 B1 B2 B2 B2 SC SC SC SC SC SC SC SC CL PoP 12hr 60 50 60 30 20 QPF 12hr 0.29-0.68 0.14-0.28 0.65-0.86 0.02-0.11 0.12-0.17 Snow 12hr MM MM MM Rain shwrs IS IS SC NM SC IS IS SC SC SC NM NM SC SC IS IS IS IS IS IS Tstms IS IS IS IS Obvis H H H H H Heat index 90 97100 95 85 81 91 98 99 95 85 81 80 93100101 97 86 Max heat 94 109 108 92 97 108 105 91 99 110 109 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 89 75 88 76 89 76 89 Temp 77 84 89 80 76 83 88 80 76 84 89 80 77 84 89 81 Dewpt 75 76 76 75 75 75 76 75 74 76 76 75 74 75 75 75 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds CL FW SC FW FW FW SC FW FW FW SC SC SC SC SC SC PoP 12hr 10 10 10 40 10 20 10 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS $$ PRZ002-152000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 85 90 67 77 82 75 85 90 66 77 82 75 86 91 Temp 82 85 85 83 79 78 77 77 82 84 85 83 80 78 77 78 82 85 86 84 79 Dewpt 74 75 76 76 75 75 74 74 75 76 76 76 75 75 75 75 76 77 76 76 75 RH 77 72 75 80 88 91 90 90 79 77 75 80 85 91 94 91 82 77 72 77 88 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 10 11 13 13 12 12 12 10 12 14 13 12 9 10 11 11 12 13 13 12 9 Wind gust 25 24 24 24 21 24 25 19 21 21 23 24 Clouds B1 B1 B1 B2 B2 B1 SC B1 B2 B2 B2 B2 B1 B1 SC SC B1 B1 SC SC CL PoP 12hr 60 60 60 50 40 QPF 12hr 0.35-0.69 0.25-0.31 0.82-0.88 0.03-0.12 0.13-0.20 Snow 12hr MM MM MM Rain shwrs SC SC SC SC NM SC IS SC SC NM NM NM SC SC IS IS SC SC IS IS Tstms IS IS IS IS Obvis H H H Heat index 87 93 95 91 84 81 88 94 95 91 84 81 80 90 96 96 92 85 Max heat 96 103 104 93 97 105 104 92 99 107 106 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 86 75 86 76 86 76 86 Temp 76 82 86 79 76 82 86 79 76 82 86 79 76 82 86 80 Dewpt 74 75 75 74 73 74 74 73 74 75 75 74 73 74 74 74 PWind dir E E E E E E E E Wind char GN GN LT GN GN GN GN GN Avg clouds CL FW SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 20 30 30 30 30 20 30 50 Rain shwrs IS IS IS SC SC IS IS SC IS IS IS IS IS SC SC $$ PRZ003-152000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 87 93 69 76 82 76 86 93 69 76 82 77 87 93 Temp 82 86 87 84 80 78 76 77 82 85 86 84 80 78 76 78 83 86 87 84 79 Dewpt 74 75 75 76 75 75 75 74 75 76 76 76 75 75 75 75 76 77 76 77 75 RH 77 70 68 77 85 91 97 90 79 75 72 77 85 91 97 91 80 75 70 80 88 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 9 12 12 12 11 9 10 9 10 14 14 11 9 9 10 10 11 13 12 11 9 Wind gust 19 25 25 25 23 19 21 29 33 25 20 20 23 26 25 23 Clouds FW FW SC SC SC SC SC SC B1 SC B2 B2 SC SC FW FW SC SC FW FW CL PoP 12hr 20 50 60 10 10 QPF 12hr 0.03-0.39 0.08-0.28 0.49-0.85 0.01-0.07 0.03-0.13 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS SC SC SC SC IS IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H Heat index 88 94 96 93 84 81 89 95 96 92 84 81 80 90 97 98 94 84 Max heat 96 108 107 92 97 108 107 92 100 110 109 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 87 75 86 75 86 76 87 Temp 76 83 87 79 75 82 86 79 76 82 86 79 76 82 87 80 Dewpt 74 75 75 74 73 74 75 74 74 75 75 74 74 73 72 73 PWind dir E E E E E E E E Wind char GN GN LT GN LT GN GN GN Avg clouds CL FW FW FW FW FW SC SC B1 SC FW FW SC FW FW SC PoP 12hr 0 0 10 30 30 10 10 10 Rain shwrs IS IS IS IS SC IS IS IS IS IS IS IS $$ PRZ004-152000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 84 91 69 74 76 75 83 89 69 74 77 75 84 91 Temp 79 83 84 82 77 75 74 74 79 82 83 81 77 75 74 75 80 83 84 82 77 Dewpt 73 73 74 74 73 73 73 73 74 75 75 74 73 73 73 73 75 75 75 75 74 RH 82 72 72 77 87 94 97 97 85 79 77 79 87 94 97 94 85 77 74 79 90 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 8 11 12 11 8 5 6 4 6 11 11 10 5 5 6 6 9 11 11 11 5 Clouds FW FW B1 B1 SC SC SC SC B1 SC B2 B2 FW FW FW FW SC SC SC SC CL PoP 12hr 30 40 60 10 10 QPF 12hr 0.06-0.58 0.09-0.29 0.59-0.85 0.00-0.07 0.10-0.19 Snow 12hr MM MM MM Rain shwrs IS IS SC SC IS IS IS IS SC IS NM NM IS IS IS IS IS IS Tstms IS IS Obvis H H H H H Heat index 82 90 92 87 83 89 91 86 85 92 92 88 Max heat 93 105 104 87 93 103 102 86 96 105 103 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 85 72 85 72 85 73 85 Temp 73 80 85 76 72 79 85 76 73 80 85 77 73 80 85 77 Dewpt 73 74 73 73 72 73 74 72 72 74 73 72 72 73 72 72 PWind dir E E E E E E E E Wind char LT GN LT LT LT GN LT GN Avg clouds CL FW FW FW FW FW SC SC SC SC SC SC SC FW FW SC PoP 12hr 0 0 10 30 10 20 10 20 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS $$ PRZ005-152000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 72 76 82 82 87 92 72 76 82 83 88 93 Temp 82 87 88 85 80 78 76 77 83 86 87 84 79 78 76 77 83 87 88 85 80 Dewpt 75 77 78 77 76 75 75 74 77 78 78 78 76 76 75 75 77 78 79 78 77 RH 79 72 72 77 88 91 97 90 82 77 75 82 91 94 97 94 82 75 75 80 91 Wind dir E E E E E E E E E E NE E E E E E E E E E E Wind spd 9 12 18 18 12 8 6 6 10 17 17 16 11 9 6 8 10 13 16 14 10 Wind gust 23 33 34 23 28 29 28 24 24 28 26 20 Clouds FW FW B1 B1 SC SC SC SC SC SC B2 B1 SC SC SC SC SC SC SC SC FW PoP 12hr 40 20 50 20 10 QPF 12hr 0.19-0.59 0.04-0.23 0.50-0.81 0.02-0.11 0.11-0.59 Snow 12hr MM MM MM Rain shwrs IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS IS Tstms IS IS IS Obvis H H H H H Heat index 89 98101 95 84 91 99101 95 84 93101104 97 85 Max heat 96 115 112 92 98 113 112 91 101 116 115 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 74 87 74 89 75 89 Temp 76 83 88 79 75 82 87 79 75 83 89 79 76 83 89 80 Dewpt 75 77 78 76 75 76 78 76 74 76 78 76 74 76 77 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 FW FW FW FW FW FW FW FW FW SC CL FW SC SC PoP 12hr 5 5 5 10 5 20 5 20 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS $$ PRZ006-152000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 83 93 62 72 76 75 82 92 62 72 77 75 83 92 Temp 78 82 83 80 75 74 72 73 78 81 82 80 76 74 72 73 79 82 83 80 75 Dewpt 71 73 74 73 72 72 71 71 73 74 74 74 72 72 72 72 73 74 75 74 73 RH 79 74 74 79 90 93 97 93 85 79 77 82 87 93100 97 82 77 77 82 94 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 6 10 11 11 6 4 4 4 5 11 12 10 5 4 5 5 8 10 11 9 5 Wind gust 24 24 25 28 33 25 25 25 21 Clouds FW FW SC SC FW FW FW FW SC FW B1 B1 FW FW FW FW FW FW SC SC CL PoP 12hr 30 20 50 5 10 QPF 12hr 0.03-0.38 0.03-0.15 0.44-0.74 0.01 0.10-0.58 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS Tstms IS IS IS Obvis H H H H H Heat index 80 86 88 84 81 86 88 83 82 88 89 85 Max heat 93 106 105 85 94 105 104 86 96 107 105 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 71 84 70 82 71 83 71 84 Temp 72 79 84 75 71 77 82 74 71 78 83 75 72 79 84 76 Dewpt 71 73 74 72 71 72 74 72 71 73 73 71 71 71 72 71 PWind dir E E E E E E E E Wind char LT LT LT LT LT GN LT GN Avg clouds CL CL FW FW CL CL FW FW FW FW FW FW CL CL FW SC PoP 12hr 0 10 0 40 0 10 0 30 Rain shwrs IS IS IS IS IS IS IS IS $$ PRZ007-152000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 88 94 64 76 82 75 87 94 64 76 82 75 87 94 Temp 82 87 88 85 79 78 76 77 83 86 87 85 80 78 76 77 83 86 87 85 79 Dewpt 71 72 73 74 73 72 72 70 72 73 74 75 73 72 72 71 73 74 75 75 74 RH 69 61 61 70 82 82 87 79 70 65 65 72 79 82 87 82 72 68 68 72 85 Wind dir E SE SE SE E E E E E E E E E E E E E E SE E E Wind spd 8 12 12 13 10 6 4 4 5 13 16 12 9 6 6 5 8 13 12 11 8 Wind gust 26 27 27 26 29 34 28 23 20 28 27 24 21 Clouds CL CL SC FW FW FW FW FW FW FW B1 B1 SC SC SC SC FW FW B1 B1 FW PoP 12hr 10 5 50 10 40 QPF 12hr 0.03-0.46 0.02-0.10 0.39-1.09 0.00-0.11 0.12-0.88 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS SC SC IS IS IS IS SC SC IS Tstms IS IS IS IS Obvis H H H H H Heat index 86 93 95 92 83 88 94 96 92 84 80 88 94 97 93 84 Max heat 94 107 107 91 97 109 108 92 98 109 108 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 74 86 75 87 75 88 Temp 76 83 88 79 75 81 86 79 75 82 87 79 75 83 88 79 Dewpt 72 72 74 73 71 72 74 73 71 72 73 72 71 70 71 72 PWind dir E E E E E E E E Wind char LT GN LT LT LT GN LT GN Avg clouds FW FW FW SC CL CL FW SC FW FW FW FW CL CL FW SC PoP 12hr 0 40 0 40 0 5 0 20 Rain shwrs IS SC SC IS IS IS IS IS Tstms IS $$ PRZ008-152000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 86 93 70 74 82 83 86 93 70 74 82 83 87 94 Temp 81 85 86 83 78 76 75 76 81 85 86 83 78 76 75 76 82 86 87 84 78 Dewpt 73 75 76 75 75 74 74 73 75 76 77 76 75 74 74 73 75 76 78 76 76 RH 77 72 72 77 91 94 97 90 82 75 75 80 91 94 97 90 79 72 75 77 94 Wind dir E E E E E E E E E E NE E E E E E E E E E E Wind spd 9 11 16 18 13 10 6 8 12 18 18 17 14 11 10 9 11 12 14 12 10 Wind gust 21 32 34 24 28 29 28 26 21 20 23 27 25 20 Clouds CL CL B2 B2 SC SC SC FW FW FW B2 B2 B1 B1 SC SC FW FW B1 B1 SC PoP 12hr 60 20 50 40 40 QPF 12hr 0.34-1.30 0.04-0.12 0.50-0.92 0.04-0.13 0.44-0.88 Snow 12hr MM MM MM Rain shwrs NM NM IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS IS Obvis H H H Heat index 85 93 97 91 80 87 95 97 91 80 88 96 99 93 81 Max heat 95 110 111 91 98 112 111 91 99 115 114 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 86 73 86 73 86 73 87 Temp 75 82 86 78 74 81 86 77 74 81 86 78 74 81 87 78 Dewpt 74 75 77 75 73 74 76 75 73 74 77 75 73 74 76 74 PWind dir E E E E E E E E Wind char GN GN GN LT LT GN LT GN Avg clouds SC FW FW SC FW FW FW SC FW FW SC SC CL CL FW SC PoP 12hr 30 20 5 40 5 50 0 20 Rain shwrs SC IS IS SC IS IS IS SC SC IS IS Tstms IS $$ PRZ009-152000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 84 94 65 72 76 75 83 93 65 72 76 75 84 93 Temp 78 83 84 81 76 74 72 73 78 82 83 80 75 74 72 73 79 83 84 81 75 Dewpt 70 72 74 73 72 72 71 69 73 74 75 73 73 72 71 70 73 74 75 74 74 RH 76 70 72 77 87 93 97 87 85 77 77 79 94 93 97 90 82 74 74 79 97 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 5 6 6 8 6 4 3 3 5 11 9 8 6 5 5 4 5 8 6 5 4 Wind gust 25 26 26 24 27 31 19 19 27 25 20 Clouds CL CL B2 B2 FW FW FW FW FW FW B2 OV B1 B1 SC SC CL CL B2 B2 SC PoP 12hr 60 5 70 40 50 QPF 12hr 0.08-1.29 0.02-0.08 0.54-1.78 0.01-0.18 0.29-1.03 Snow 12hr MM MM MM Rain shwrs SC NM IS IS IS NM NM SC SC SC SC SC SC IS Tstms IS IS IS IS IS IS IS IS Obvis H H H Heat index 80 87 91 85 80 88 90 84 82 89 91 85 Max heat 92 106 105 86 94 107 107 86 94 108 106 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 71 84 70 83 71 83 71 84 Temp 72 79 84 75 71 78 83 75 71 78 83 75 71 79 84 75 Dewpt 71 72 75 73 71 72 74 72 71 72 74 72 71 71 73 72 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC CL CL SC B1 FW FW FW SC CL CL SC B1 PoP 12hr 10 50 0 70 0 40 0 70 Rain shwrs IS NM NM SC SC SC SC NM IS Tstms IS IS IS IS IS IS IS $$ PRZ010-152000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 89 94 70 75 82 77 88 94 70 75 82 77 89 94 Temp 82 87 89 85 79 77 75 76 83 87 88 85 79 77 75 76 83 88 89 85 79 Dewpt 72 74 77 76 76 75 73 72 75 76 78 77 76 75 74 72 75 77 78 77 77 RH 72 65 68 75 91 94 94 87 77 70 72 77 91 94 97 87 77 70 70 77 94 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 6 5 6 6 8 8 5 6 6 10 9 10 9 9 8 6 6 6 6 6 8 Wind gust 21 17 20 23 18 26 19 19 19 25 24 24 21 23 25 23 20 19 18 20 18 Clouds CL FW B1 B2 SC SC SC FW FW FW B2 OV B2 B2 B2 B2 FW FW B2 B2 SC PoP 12hr 60 20 80 70 70 QPF 12hr 0.04-1.30 0.02-0.13 0.38-1.78 0.11-0.19 0.59-1.03 Snow 12hr MM MM MM Rain shwrs NM NM IS IS IS NM D NM NM NM NM NM NM SC Tstms IS IS IS IS IS IS IS IS IS IS Obvis H H H Heat index 88 97101 95 82 89 98101 95 82 91 99103 96 83 Max heat 94 112 112 91 97 114 112 91 98 116 114 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 89 74 88 74 88 74 89 Temp 75 83 89 79 75 82 88 79 75 82 88 79 75 83 89 79 Dewpt 74 74 77 75 73 74 77 75 73 74 77 75 73 74 77 75 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds SC FW FW SC FW FW SC B1 FW FW FW SC FW FW FW B1 PoP 12hr 30 60 0 80 5 50 0 60 Rain shwrs SC IS NM NM SC SC IS IS NM NM IS NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ011-152000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 91 94 71 75 82 83 91 94 71 76 82 83 91 94 Temp 85 90 91 87 81 78 76 77 85 90 91 87 81 78 76 77 85 90 91 87 81 Dewpt 72 75 76 76 76 74 73 71 74 76 77 77 76 74 73 72 74 77 77 77 77 RH 65 62 62 70 85 88 90 82 70 64 64 72 85 88 90 85 70 66 64 72 88 Wind dir E SE SE SE E E E E E SE SE E E E E E E E SE E E Wind spd 8 14 16 14 16 11 8 5 3 12 17 11 13 11 10 8 9 16 16 11 12 Wind gust 29 32 31 33 27 19 32 36 25 27 27 24 20 20 32 34 25 26 Clouds CL FW SC SC SC FW FW SC CL CL B1 B2 B1 B1 B1 B1 FW FW B2 B2 SC PoP 12hr 10 10 60 50 50 QPF 12hr 0.03-0.29 0.04 0.36-1.70 0.06-0.18 0.59-1.03 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC NM SC SC SC SC IS IS SC SC IS Tstms IS IS IS IS IS IS Obvis H H H Heat index 90100103 98 86 92102105 99 87 93103105 99 87 Max heat 94 109 108 92 97 110 110 92 97 112 111 Heat Y Y Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 91 74 90 75 90 75 91 Temp 76 85 91 80 75 84 90 80 76 84 90 80 76 85 91 80 Dewpt 73 74 77 76 72 73 76 75 72 74 76 75 72 72 73 75 PWind dir E E E E E E E E Wind char GN GN LT GN GN GN GN GN Avg clouds SC FW SC SC FW FW FW SC FW FW FW FW CL CL FW SC PoP 12hr 20 70 0 40 5 5 0 20 Rain shwrs IS IS NM NM IS SC SC IS IS IS IS IS Tstms IS IS $$ PRZ012-152000- Culebra- Including the city of Culebra 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 87 92 80 83 87 92 80 83 87 92 Temp 84 87 87 86 82 81 80 80 84 87 87 86 82 81 80 81 85 87 87 86 82 Dewpt 76 77 77 77 77 77 76 76 77 78 77 77 77 77 77 77 77 78 78 78 77 RH 77 72 72 75 85 88 88 88 80 75 72 75 85 88 91 88 77 75 75 77 85 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 17 16 19 20 21 21 21 19 20 20 19 18 18 19 19 19 20 19 18 16 16 Clouds B1 B2 B2 B2 B2 B2 SC B1 B2 B2 B2 B2 B2 B2 SC SC B1 B1 SC SC FW PoP 12hr 60 60 60 50 40 QPF 12hr 0.49 0.32 0.88 0.12 0.19 Snow 12hr MM MM MM Rain shwrs SC SC SC SC NM SC IS SC NM NM NM NM SC SC IS IS SC SC IS IS Tstms IS IS IS Obvis H H H Heat index 93 99 99 97 91 88 84 86 93 99 99 96 91 89 85 87 95 99100 97 90 Max heat 97 106 107 93 98 106 106 93 99 106 106 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 87 79 87 80 87 80 88 Temp 80 84 87 82 80 84 87 82 80 85 87 82 80 85 88 83 Dewpt 76 76 76 76 75 75 76 75 75 75 77 76 75 76 76 76 PWind dir E E E E E E E E Wind char BZ GN GN GN GN BZ BZ BZ Avg clouds FW FW SC SC B1 B1 SC SC B1 B1 SC SC SC SC B1 B1 PoP 12hr 20 40 40 50 50 20 40 50 Rain shwrs IS IS SC SC SC SC SC SC SC IS IS IS SC SC SC $$ PRZ013-152000- Vieques- Including the city of Vieques 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 91 75 79 82 83 87 90 75 79 82 83 87 91 Temp 84 86 87 85 81 80 79 80 84 86 87 85 81 80 79 80 84 87 87 85 81 Dewpt 75 75 75 76 75 75 75 75 75 75 75 76 75 76 76 75 76 77 76 76 75 RH 74 70 68 75 82 85 88 85 74 70 68 75 82 88 91 85 77 72 70 75 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 16 14 18 19 20 20 20 18 19 20 19 18 17 18 19 19 19 18 18 16 16 Clouds B1 B2 B1 B1 B2 B2 SC B1 B2 B2 B2 B2 B2 B2 SC SC B1 B1 SC SC CL PoP 12hr 60 60 60 50 40 QPF 12hr 0.40 0.31 0.88 0.12 0.20 Snow 12hr MM MM MM Rain shwrs SC SC SC SC NM SC IS SC NM NM NM NM SC SC IS IS SC SC IS IS Tstms IS IS IS Obvis H H H Heat index 91 96 96 94 88 85 81 83 92 96 97 94 88 85 82 84 93 98 98 95 88 Max heat 94 103 102 91 95 102 101 92 96 104 102 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 87 78 87 79 87 78 87 Temp 78 84 87 81 78 83 87 82 79 84 87 81 79 84 87 82 Dewpt 75 75 74 74 74 75 73 74 74 74 74 74 74 75 74 75 PWind dir E E E E E E E E Wind char BZ GN GN GN GN BZ BZ BZ Avg clouds CL FW SC SC B1 B1 SC SC B2 B1 SC SC SC B1 B1 B1 PoP 12hr 20 40 40 50 50 30 40 60 Rain shwrs IS IS SC SC SC SC SC SC SC IS IS SC SC SC NM $$ VIZ001-152000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 86 92 71 79 82 83 86 92 71 79 82 83 86 92 Temp 83 85 86 84 81 80 79 79 83 85 86 84 81 80 79 79 83 85 86 84 81 Dewpt 75 76 76 77 76 76 76 76 76 76 76 77 76 77 76 76 77 77 76 77 76 RH 77 75 72 80 85 88 91 91 80 75 72 80 85 91 91 91 82 77 72 80 85 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 20 19 20 21 23 21 20 20 20 19 18 19 20 20 19 20 19 18 17 17 Clouds B1 B2 B1 B1 B2 B1 SC B1 B2 B2 B2 B2 B1 B1 SC SC B1 B1 SC SC SC PoP 12hr 50 50 60 40 40 QPF 12hr 0.35-0.45 0.32 0.71-0.78 0.11 0.20-0.35 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC SC NM SC SC SC SC IS IS SC SC IS IS IS Tstms IS IS Obvis H H H Heat index 90 94 95 93 87 84 82 83 90 94 96 93 87 84 82 84 91 95 96 94 87 Max heat 98 107 108 93 99 106 106 92 100 107 107 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 85 78 86 79 86 78 86 Temp 78 83 85 81 78 83 86 81 79 83 86 81 78 83 86 81 Dewpt 76 75 75 75 75 75 74 75 75 75 75 75 75 75 75 76 PWind dir E E E E E E E E Wind char BZ GN GN GN BZ BZ BZ BZ Avg clouds SC SC SC SC B1 B1 SC FW B1 B1 SC SC SC SC SC SC PoP 12hr 10 40 40 40 40 20 30 40 Rain shwrs IS IS IS SC SC SC SC SC SC SC IS IS IS SC SC SC $$ VIZ002-152000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 502 AM AST Tue Jul 15 2025 Date Tue 07/15/25 Wed 07/16/25 Thu 07/17/25 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 93 76 79 82 83 87 94 Temp 83 86 87 85 81 80 79 80 83 86 87 85 81 80 79 80 84 86 87 85 81 Dewpt 75 76 76 76 76 76 76 75 76 76 76 76 76 77 76 76 77 77 76 76 75 RH 77 72 70 75 85 88 91 85 80 72 70 75 85 91 91 88 80 75 70 75 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 16 16 17 19 20 19 17 17 18 18 17 14 17 17 17 18 19 18 16 14 Clouds SC B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 SC SC CL CL SC SC SC SC CL PoP 12hr 50 50 60 30 30 QPF 12hr 0.31-0.40 0.27 0.69-0.79 0.06 0.19-0.33 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC SC SC SC SC SC NM NM SC SC SC SC IS IS Tstms IS IS Obvis H H H Heat index 91 96 97 94 88 85 81 84 92 96 97 94 88 86 82 85 93 97 98 94 88 Max heat 98 107 106 92 98 107 105 92 101 108 106 Date Fri 07/18/25 Sat 07/19/25 Sun 07/20/25 Mon 07/21/25 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 87 78 87 79 87 79 87 Temp 79 84 87 81 78 83 87 82 79 84 87 81 79 84 87 82 Dewpt 75 75 75 74 75 75 74 74 75 75 75 74 74 75 75 75 PWind dir E E E E E E E E Wind char GN GN GN GN GN BZ GN BZ Avg clouds CL FW SC SC B1 B1 SC SC SC FW FW SC SC SC SC SC PoP 12hr 10 40 40 20 10 10 20 40 Rain shwrs IS IS SC SC SC IS IS IS IS IS IS IS IS IS SC $$