Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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948 FOCA52 TJSJ 151831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Sat Aug 15 2026 PRZ001-160800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 77 83 82 88 89 72 77 83 83 89 93 72 77 83 Temp 85 81 79 78 78 84 87 88 85 81 79 78 79 85 88 89 86 81 79 78 78 85 Dewpt 77 77 77 76 76 77 77 77 76 76 76 75 75 76 76 76 76 76 76 75 75 77 RH 77 88 94 94 94 80 72 70 75 85 91 91 88 75 68 66 72 85 91 91 91 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 17 12 11 9 10 11 14 16 14 9 9 9 6 10 14 14 12 8 6 4 3 6 Wind gust 28 24 21 19 20 21 25 23 Clouds SC SC B2 B1 B2 SC SC SC SC CL CL FW FW SC SC SC SC FW FW SC SC FW PoP 12hr 60 50 20 30 20 QPF 12hr 0.57-0.67 0.34-0.50 0.02 0.10 0.01 Snow 12hr MM MM MM Rain shwrs SC SC NM SC NM SC SC SC IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS IS IS IS Heat index 96 88 83 80 94100101 95 87 83 80 81 94100102 96 87 83 80 81 95 Max heat 110 96 99 108 107 95 100 109 109 95 101 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 90 77 90 78 90 78 90 Temp 90 81 78 85 90 82 78 85 90 82 78 85 90 82 79 85 90 82 Dewpt 77 76 76 77 78 77 76 77 78 76 75 76 76 75 75 76 71 69 PWind dir E E E SE E E E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds SC SC CL FW SC SC SC SC SC B1 B2 B2 B1 SC SC SC SC SC PoP 12hr 40 20 30 20 60 60 40 40 40 Rain shwrs SC SC IS IS IS IS IS SC SC NM SC SC SC IS IS IS IS Tstms IS IS IS $$ PRZ002-160800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 66 77 83 75 87 89 67 78 83 75 88 93 66 78 83 Temp 84 80 79 78 78 83 86 87 84 81 80 79 79 84 87 88 85 81 79 78 79 84 Dewpt 75 75 75 75 75 75 75 75 74 74 74 74 74 74 74 74 74 74 74 74 74 75 RH 74 85 88 91 91 77 70 68 72 79 82 85 85 72 65 63 70 79 85 88 85 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 18 16 14 11 12 14 16 13 13 10 12 11 10 11 13 12 11 9 9 6 6 9 Wind gust 28 28 27 24 25 26 24 23 19 Clouds SC SC B2 B1 B2 SC SC SC FW CL CL SC FW SC SC SC SC FW FW SC SC FW PoP 12hr 60 50 20 20 20 QPF 12hr 0.61-0.67 0.26-0.44 0.03 0.09 0.02 Snow 12hr MM MM MM Rain shwrs SC SC NM NM NM SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS Heat index 93 86 83 80 80 91 95 95 91 86 84 81 82 91 95 96 92 86 84 81 82 91 Max heat 105 93 97 105 104 93 97 103 103 93 98 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 88 77 88 78 88 78 88 Temp 88 81 78 84 88 81 78 84 88 81 79 84 88 81 79 84 88 81 Dewpt 75 75 75 75 75 75 74 75 75 74 74 74 74 74 73 74 72 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds SC FW FW FW SC B1 SC B1 B1 B1 B2 B2 B1 SC SC SC B1 SC PoP 12hr 20 20 40 60 60 60 50 50 50 Rain shwrs IS SC IS SC SC IS IS NM SC NM SC SC SC IS SC SC IS Tstms IS IS IS $$ PRZ003-160800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 68 77 83 77 87 89 69 77 83 78 88 94 68 77 83 Temp 85 80 79 77 78 83 86 87 84 80 79 78 78 84 87 88 85 81 79 78 78 84 Dewpt 76 75 75 75 75 76 76 76 75 74 74 74 74 75 74 74 74 74 74 74 74 75 RH 75 85 88 94 91 80 72 70 74 82 85 88 88 74 65 63 70 79 85 88 88 74 Wind dir E NE E E E E E E E NE NE E E E E E E NE NE NE NE E Wind spd 17 13 12 10 10 12 16 16 14 10 9 10 10 10 13 13 10 8 8 6 6 8 Wind gust 32 26 24 21 21 23 31 32 29 20 19 20 20 20 27 26 21 Clouds SC SC SC B2 B2 SC SC SC FW CL CL FW CL FW FW FW FW FW FW SC SC FW PoP 12hr 60 50 5 5 20 QPF 12hr 0.42-0.65 0.22-0.29 0.01 0.06 0.01 Snow 12hr MM MM MM Rain shwrs IS SC SC NM NM SC SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS Obvis H Heat index 94 86 82 80 91 97 97 91 85 82 80 81 91 96 97 92 85 82 80 92 Max heat 108 93 100 108 105 92 101 108 106 93 101 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 77 88 77 88 77 88 77 88 Temp 88 81 78 84 88 81 78 84 88 81 78 84 88 81 78 84 88 81 Dewpt 75 75 75 76 76 75 75 75 76 75 74 75 74 74 74 73 71 69 PWind dir E NE E E E E E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds FW FW CL FW SC SC SC SC SC SC SC B1 B1 SC SC SC B1 SC PoP 12hr 5 20 40 20 30 50 50 50 50 Rain shwrs IS IS IS IS IS IS IS IS IS SC SC SC SC IS SC SC IS Tstms IS IS $$ PRZ004-160800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 74 78 76 86 89 69 74 78 76 87 93 68 74 77 Temp 83 78 76 75 75 81 85 86 82 78 76 75 75 82 86 87 83 78 76 75 75 82 Dewpt 75 74 74 74 74 75 75 74 73 73 73 73 72 74 73 73 73 73 73 73 73 74 RH 77 88 94 97 97 82 72 68 74 85 90 94 90 77 65 63 72 85 90 94 94 77 Wind dir E E E E E E E E E E E E E E E E E E NE E E E Wind spd 14 9 8 5 6 8 12 13 12 5 4 5 5 8 12 12 10 4 3 2 2 5 Clouds SC SC B1 B1 B2 SC SC SC FW CL CL FW CL SC SC SC SC FW FW SC SC FW PoP 12hr 60 50 10 20 20 QPF 12hr 0.53-0.67 0.23-0.40 0.02 0.09 0.01 Snow 12hr MM MM MM Rain shwrs SC SC SC SC NM SC SC SC IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS Obvis H Heat index 89 80 87 93 94 88 88 93 94 88 80 88 Max heat 105 89 97 103 101 87 99 106 105 88 100 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 74 87 74 87 74 87 74 87 Temp 87 78 75 82 87 78 75 82 87 78 75 82 87 78 75 82 87 78 Dewpt 74 74 73 75 74 74 73 75 75 74 73 74 73 73 72 74 69 68 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN GN LT GN Avg clouds FW FW CL FW SC SC SC SC SC B1 B1 B1 B1 SC SC SC B1 SC PoP 12hr 10 20 30 30 50 50 40 50 50 Rain shwrs IS IS IS SC SC IS IS SC SC SC SC SC SC IS SC SC IS Tstms IS IS IS $$ PRZ005-160800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 88 73 76 83 84 90 94 73 75 83 Temp 85 80 78 77 77 83 87 88 84 80 78 77 77 85 89 90 85 80 78 76 77 84 Dewpt 77 76 76 76 75 77 78 78 77 76 75 75 74 76 76 77 77 76 75 75 74 76 RH 77 88 94 97 94 82 75 72 80 88 91 94 90 75 66 66 77 88 91 97 90 77 Wind dir E E E E E E E E E E E E E E E NE E E E E E E Wind spd 20 14 13 11 11 13 16 19 18 11 9 10 6 9 14 16 16 12 9 5 4 5 Wind gust 34 27 24 21 26 27 34 34 26 25 29 32 25 Clouds FW SC B1 SC B2 SC SC SC SC FW FW FW CL FW FW B1 B1 CL CL SC SC CL PoP 12hr 60 50 5 40 10 QPF 12hr 0.29-0.59 0.24-0.50 0.01 0.09-0.58 0.01 Snow 12hr MM MM MM Rain shwrs IS SC SC SC NM SC IS SC SC IS IS IS IS IS SC SC IS IS Tstms IS IS IS IS IS IS IS Obvis H Heat index 96 86 80 93101102 94 84 94101103 96 85 94 Max heat 110 95 99 108 107 94 101 114 112 94 102 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 76 89 75 90 76 90 Temp 90 80 76 84 89 80 77 84 89 80 76 84 90 80 77 85 90 80 Dewpt 78 77 75 77 79 77 75 77 79 77 75 77 77 76 74 76 72 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN BZ GN BZ Avg clouds FW SC CL FW SC B1 FW FW SC B1 B1 B1 SC SC FW FW FW SC PoP 12hr 20 5 50 5 50 50 30 5 10 Rain shwrs IS IS IS IS IS IS IS SC SC SC SC SC SC IS IS IS IS Tstms IS IS IS IS IS IS $$ PRZ006-160800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 73 77 75 84 89 63 72 77 75 85 93 63 72 76 Temp 81 77 75 73 74 80 83 84 80 76 74 73 73 80 84 85 81 76 74 73 73 80 Dewpt 73 73 73 73 73 74 74 73 72 72 72 72 71 72 72 71 72 72 72 72 71 73 RH 77 87 94100 97 82 74 70 77 87 93 97 93 77 67 63 74 87 93 97 93 79 Wind dir E NE E E E E E E E E E E E E E E E E E E E E Wind spd 14 8 6 5 4 6 11 13 12 5 3 4 4 6 11 11 10 5 3 2 2 4 Wind gust 27 28 31 26 27 26 21 Clouds FW SC B1 SC B1 SC SC SC FW CL CL FW CL FW FW SC SC CL CL FW FW CL PoP 12hr 60 50 5 30 5 QPF 12hr 0.20-0.59 0.14-0.44 0.01 0.05-0.19 0 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC IS IS SC IS IS SC SC IS IS Tstms IS IS IS IS IS Obvis H Heat index 85 84 90 90 84 84 90 91 85 84 Max heat 107 86 97 106 104 85 98 107 106 86 99 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 72 84 72 84 72 85 72 85 Temp 85 76 73 80 84 76 73 80 84 76 73 80 85 76 73 80 85 76 Dewpt 72 73 72 73 74 73 72 73 74 73 72 73 72 71 71 72 68 66 PWind dir E E E E SE E E E E Wind char GN LT LT LT LT LT GN LT GN Avg clouds FW SC CL FW SC SC FW FW SC B1 SC SC SC SC SC SC SC SC PoP 12hr 40 10 30 5 40 30 30 10 10 Rain shwrs SC SC IS SC SC IS IS SC SC SC SC SC SC IS IS IS IS Tstms IS IS IS $$ PRZ007-160800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 63 76 83 75 87 89 63 75 83 75 89 94 62 75 83 Temp 85 81 79 77 77 83 86 87 83 79 77 76 77 84 88 89 85 80 78 76 76 84 Dewpt 74 73 73 73 72 73 75 74 74 73 72 71 71 72 73 73 74 73 72 71 71 72 RH 70 77 82 87 85 72 70 65 74 82 85 85 82 67 61 59 70 79 82 85 85 67 Wind dir E E E E E E E E E E NE NE NE E E SE SE E NE NE NE E Wind spd 16 10 8 6 5 6 14 17 14 9 5 5 5 8 13 12 10 6 5 4 3 4 Wind gust 33 24 21 20 32 36 32 24 28 28 25 Clouds FW FW SC FW SC SC SC SC SC FW FW CL CL CL CL SC SC CL CL FW FW CL PoP 12hr 20 20 5 5 5 QPF 12hr 0.06-0.42 0.14-0.35 0 0.04-0.38 0 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS Tstms IS Obvis H Heat index 93 85 82 89 95 96 90 82 89 96 97 92 83 89 Max heat 108 93 95 108 105 93 96 108 106 94 96 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 75 88 75 88 75 88 75 89 Temp 89 80 76 83 88 80 76 83 88 80 76 84 88 80 76 84 89 80 Dewpt 74 74 72 73 75 74 72 73 75 74 72 72 73 73 71 70 71 67 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN GN LT GN Avg clouds FW SC CL FW SC SC FW FW SC SC FW FW SC SC SC SC SC SC PoP 12hr 40 5 30 5 50 5 30 5 10 Rain shwrs SC SC IS SC SC IS IS SC SC IS IS SC SC IS IS IS IS Tstms IS $$ PRZ008-160800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 75 83 88 70 75 83 84 88 94 70 74 83 Temp 84 79 77 76 76 83 87 88 84 79 77 75 76 83 87 88 84 79 77 75 76 83 Dewpt 75 75 75 74 74 75 77 76 76 75 74 73 72 74 75 75 75 75 75 73 72 74 RH 74 88 94 94 94 77 72 68 77 88 90 94 87 74 68 66 74 88 94 94 87 74 Wind dir E E E E E E E NE NE E E E E E E NE NE E E E E E Wind spd 24 19 17 13 14 17 17 20 19 16 11 10 9 8 12 13 13 16 11 8 6 8 Wind gust 37 34 31 27 27 29 28 34 35 28 24 19 25 28 31 28 21 Clouds CL FW SC SC SC SC FW B1 B1 SC SC CL CL CL CL B2 B2 CL CL SC SC CL PoP 12hr 30 50 20 50 5 QPF 12hr 0.14-0.38 0.34-1.23 0.02 0.27-0.75 0 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS IS NM SC IS IS SC SC IS IS Tstms IS IS IS Obvis H Heat index 92 82 90 98 99 92 81 89 97 98 92 81 89 Max heat 105 93 96 107 104 93 97 110 109 93 97 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 74 88 74 88 74 88 74 88 Temp 88 79 75 82 88 79 75 82 88 79 75 83 88 79 75 83 88 79 Dewpt 76 76 74 75 77 76 74 75 77 76 73 75 76 75 73 74 74 72 PWind dir NE E E E E E E E E Wind char GN GN GN LT LT GN BZ GN BZ Avg clouds FW FW CL FW SC B1 FW FW SC B1 SC SC SC SC FW FW SC B1 PoP 12hr 20 5 60 5 40 10 40 5 50 Rain shwrs IS IS NM NM SC SC IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS IS $$ PRZ009-160800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 73 78 75 85 89 65 72 76 75 86 94 65 71 75 Temp 82 77 75 74 74 81 84 85 81 76 74 73 73 81 85 86 81 76 74 72 73 80 Dewpt 73 72 73 72 72 73 75 74 73 73 72 71 70 71 72 73 73 73 72 71 70 72 RH 74 85 94 93 93 77 74 70 77 90 93 93 90 72 65 65 77 90 93 97 90 77 Wind dir NE E E E E E E E E E E E E E E E E E E E E E Wind spd 16 10 8 5 6 8 10 10 9 6 5 4 4 4 6 5 4 5 4 3 3 3 Wind gust 33 23 19 16 17 19 31 34 27 19 26 25 17 Clouds FW FW SC FW SC FW FW B1 SC FW FW CL CL CL CL B1 B1 CL CL FW FW CL PoP 12hr 20 50 5 50 5 QPF 12hr 0.06-0.40 0.16-1.03 0.01 0.11-0.75 0 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS SC SC IS IS SC SC IS IS Tstms IS IS IS Obvis H Heat index 87 85 93 93 86 84 92 93 86 84 Max heat 106 89 95 107 104 84 98 110 109 86 98 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 86 72 85 72 85 72 86 72 86 Temp 86 76 73 80 85 76 73 80 85 76 73 80 86 76 73 80 86 76 Dewpt 74 74 72 73 75 74 72 73 75 73 71 73 73 73 71 72 70 68 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC CL FW SC B1 FW FW SC B1 FW FW SC SC FW FW FW SC PoP 12hr 50 5 60 5 50 5 40 5 40 Rain shwrs SC SC NM NM SC SC IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ010-160800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 76 83 79 88 89 67 75 83 77 91 94 67 75 83 Temp 86 81 79 77 78 84 87 88 84 79 78 76 77 85 90 91 86 80 78 76 76 85 Dewpt 76 75 75 74 73 76 78 78 77 76 75 73 72 74 76 76 77 76 75 73 72 75 RH 72 82 88 90 85 77 75 72 80 91 91 90 85 70 64 62 75 88 91 90 87 72 Wind dir NE NE E E E E E E E E E E E E E N E E E E E E Wind spd 21 18 14 11 11 11 9 10 10 9 10 9 8 5 5 6 5 10 6 5 5 5 Wind gust 40 36 33 29 29 27 24 26 25 23 26 23 20 23 17 19 24 17 17 Clouds FW FW FW FW FW FW FW B2 B2 SC SC FW CL CL CL B2 B2 CL CL FW FW FW PoP 12hr 10 70 20 60 5 QPF 12hr 0.05-0.20 0.30-1.23 0.01-0.09 0.12-0.75 0 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS NM NM IS IS SC NM NM Tstms IS IS IS IS Obvis H Heat index 97 87 82 93101102 94 82 93102104 97 85 93 Max heat 111 93 100 112 107 93 104 118 113 93 103 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 75 90 75 90 75 91 75 91 Temp 91 80 76 85 90 80 76 85 90 80 76 85 91 80 76 85 91 80 Dewpt 77 76 74 76 78 77 74 76 78 76 74 76 77 76 73 75 73 73 PWind dir E E E E E E E E E Wind char LT LT LT LT LT GN GN GN GN Avg clouds FW SC FW FW SC B1 FW FW SC B1 FW FW FW SC FW FW SC B1 PoP 12hr 40 5 60 5 50 5 40 5 60 Rain shwrs SC SC IS IS NM NM SC SC SC SC IS IS NM NM Tstms IS IS IS IS IS IS IS $$ PRZ011-160800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 89 72 75 83 84 93 94 72 75 83 Temp 87 82 80 78 78 84 88 89 85 80 78 76 77 86 92 93 87 81 78 76 77 86 Dewpt 76 75 75 74 73 75 77 78 77 76 75 73 71 73 75 76 76 76 75 73 71 73 RH 70 79 85 88 85 74 70 70 77 88 91 90 82 65 58 58 70 85 91 90 82 65 Wind dir E E E E E E E SE SE E E E E E E SE SE E E E NE E Wind spd 21 13 10 8 6 6 17 21 16 13 9 6 8 9 13 13 6 8 6 5 4 3 Wind gust 39 26 23 35 43 33 29 20 19 20 31 31 19 Clouds FW CL CL CL FW SC SC SC SC FW FW FW CL CL CL SC SC CL CL FW FW CL PoP 12hr 20 30 10 20 5 QPF 12hr 0.05-0.12 0.24-0.68 0.01 0.07-0.60 0 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC IS IS IS IS IS Tstms IS Obvis H Heat index 98 88 83 92101102 95 83 93103106 98 87 93 Max heat 108 93 95 108 107 94 96 110 110 93 97 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 75 92 76 92 76 92 75 92 Temp 92 81 76 86 92 81 77 86 92 81 77 86 92 81 76 86 92 81 Dewpt 77 77 74 75 78 77 74 75 78 77 73 74 77 76 72 71 74 72 PWind dir SE E SE E E E E E E Wind char GN LT GN GN GN GN GN LT GN Avg clouds FW SC FW FW SC SC FW FW SC B1 FW FW FW SC FW SC SC SC PoP 12hr 30 5 30 5 50 5 30 5 40 Rain shwrs IS IS IS IS SC SC IS IS SC SC SC IS IS IS SC SC Tstms IS $$ PRZ012-160800- Culebra- Including the city of Culebra 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 87 81 84 88 94 81 Temp 86 83 82 82 82 85 87 87 85 83 82 81 82 86 88 88 86 83 83 82 82 86 Dewpt 78 77 77 77 77 77 77 77 77 76 76 76 75 76 76 76 77 76 76 76 76 77 RH 77 82 85 85 85 77 72 72 77 80 82 85 79 72 68 68 75 80 80 82 82 75 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 24 24 24 21 21 23 20 17 16 17 20 17 16 20 16 13 12 16 16 12 13 14 Clouds SC SC B2 SC B2 SC SC CL CL CL CL FW SC SC SC FW FW FW FW SC SC FW PoP 12hr 60 30 20 20 10 QPF 12hr 0.58 0.17 0.03 0.08 0.01 Snow 12hr MM MM MM Rain shwrs SC SC NM SC NM SC SC IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS Heat index 98 93 91 89 89 95 98 98 95 92 90 88 89 95 99 99 96 92 91 89 89 96 Max heat 107 97 100 104 104 95 101 107 106 96 102 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 81 88 81 88 81 88 81 88 Temp 88 83 82 85 88 83 82 86 88 84 82 86 88 84 82 86 88 84 Dewpt 77 77 77 77 77 77 76 77 77 76 76 76 76 76 75 77 73 72 PWind dir E E E E E E E E E Wind char GN BZ GN GN BZ BZ BZ BZ BZ Avg clouds SC SC FW SC SC SC SC B1 B1 B1 B2 B2 B1 SC SC SC SC SC PoP 12hr 30 20 30 60 60 60 50 30 30 Rain shwrs IS IS IS IS SC SC IS NM NM NM NM NM SC SC IS SC SC IS Tstms IS IS IS $$ PRZ013-160800- Vieques- Including the city of Vieques 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 88 81 84 89 92 77 81 83 Temp 86 83 82 81 81 85 87 88 86 83 82 81 82 86 88 89 86 83 82 81 82 86 Dewpt 75 76 76 76 76 76 75 74 74 74 75 75 74 75 74 74 74 74 75 75 75 75 RH 70 80 82 85 85 75 68 63 68 74 79 82 77 70 63 61 68 74 79 82 79 70 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 24 24 23 21 21 23 19 18 17 17 20 18 14 18 16 14 13 16 16 13 13 16 Clouds SC SC B2 SC B2 SC SC CL CL CL CL SC FW SC SC SC SC SC SC SC SC SC PoP 12hr 60 40 20 20 20 QPF 12hr 0.60 0.22 0.03 0.10 0.03 Snow 12hr MM MM MM Rain shwrs SC SC NM SC NM SC SC IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS Heat index 95 91 89 87 87 94 97 97 94 90 89 87 88 94 97 98 95 91 89 87 88 95 Max heat 102 93 97 100 100 92 98 103 103 92 99 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 80 89 80 89 81 89 81 89 Temp 89 83 81 86 89 83 81 86 89 84 82 86 89 83 81 86 89 83 Dewpt 74 75 76 76 74 75 75 75 74 75 75 75 73 74 74 75 72 72 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ BZ BZ BZ BZ Avg clouds FW FW FW SC SC SC SC B1 B1 B1 B2 B2 B1 SC SC SC B1 SC PoP 12hr 20 20 30 60 60 60 50 50 50 Rain shwrs IS IS IS IS SC SC IS NM NM NM NM NM SC SC IS SC SC IS Tstms IS IS IS $$ VIZ001-160800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 73 80 83 87 74 80 83 84 87 94 74 80 83 Temp 85 82 82 81 81 84 86 87 85 82 82 81 81 84 87 87 85 82 82 81 81 84 Dewpt 76 76 77 76 76 76 75 74 74 75 75 75 74 75 74 74 74 75 75 75 75 75 RH 75 82 85 85 85 77 70 65 70 79 79 82 79 74 65 65 70 79 79 82 82 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 25 25 25 24 23 21 19 17 17 19 19 18 18 20 14 12 13 16 16 13 14 17 Clouds SC SC SC SC B2 SC SC CL CL CL CL FW SC SC SC CL CL FW FW SC SC FW PoP 12hr 60 30 20 20 10 QPF 12hr 0.46-0.53 0.13 0.03 0.08 0.01 Snow 12hr MM MM MM Rain shwrs SC SC SC SC NM SC SC IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS Heat index 94 90 88 86 87 93 95 95 93 89 88 86 86 92 95 95 93 89 88 86 86 93 Max heat 105 95 98 100 100 93 101 105 104 95 101 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 80 87 80 87 81 87 80 87 Temp 87 82 80 84 87 82 81 85 87 83 81 85 87 83 81 85 87 83 Dewpt 74 75 76 76 74 75 75 75 74 75 75 75 74 74 74 75 71 71 PWind dir E E E E E E E E E Wind char GN BZ GN GN BZ BZ BZ BZ BZ Avg clouds FW FW FW SC SC SC SC B1 B2 B1 B2 B2 B1 SC SC SC SC SC PoP 12hr 10 20 30 60 60 60 50 20 20 Rain shwrs IS IS IS IS SC SC IS NM NM NM NM NM SC SC IS IS IS IS Tstms IS IS IS $$ VIZ002-160800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Sat Aug 15 2026 Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue 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 88 77 80 83 84 88 94 77 80 83 Temp 85 82 81 80 81 85 87 88 85 83 82 81 81 85 87 88 86 83 82 81 81 85 Dewpt 77 77 77 77 77 77 76 76 76 76 76 75 75 76 75 76 76 76 76 76 76 76 RH 77 85 88 91 88 77 70 68 75 80 82 82 82 75 68 68 72 80 82 85 85 75 Wind dir E E E E E E E E E E E E E E E E E NE E E E E Wind spd 24 24 21 21 20 21 21 18 18 17 18 18 17 20 17 14 13 14 14 14 13 14 Wind gust 34 34 32 31 Clouds SC SC SC SC B2 SC SC CL CL CL CL CL SC CL CL CL CL SC SC SC SC FW PoP 12hr 60 50 20 20 20 QPF 12hr 0.55 0.18 0.02 0.07 0.03 Snow 12hr MM MM MM Rain shwrs SC SC SC SC NM SC SC IS IS IS IS IS IS Tstms IS IS IS IS Heat index 96 91 89 86 87 95 98 98 95 90 89 86 87 94 98 98 95 91 89 87 87 95 Max heat 107 95 98 102 101 93 102 109 107 94 102 Date 08/18 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 80 88 80 88 80 88 Temp 88 83 80 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83 Dewpt 76 76 76 77 76 76 76 76 76 76 75 75 75 75 75 76 69 72 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ BZ BZ BZ BZ Avg clouds FW FW FW SC SC SC SC SC B1 B1 B2 B2 B1 SC SC SC SC SC PoP 12hr 10 30 30 50 60 60 50 20 20 Rain shwrs IS IS IS SC SC SC IS SC SC SC NM SC SC IS IS IS IS IS Tstms IS IS IS $$