Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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102 FOCA52 TJSJ 141831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Fri Aug 14 2026 PRZ001-150800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 79 83 83 89 93 72 77 82 78 85 88 72 77 82 Temp 87 83 81 79 80 85 89 89 86 81 79 78 78 83 85 85 83 80 79 78 78 83 Dewpt 77 77 77 76 75 76 76 77 77 76 76 76 76 77 77 78 77 76 76 75 75 76 RH 72 82 88 91 85 75 66 68 75 85 91 94 94 82 77 80 82 88 91 91 91 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 14 12 11 12 12 14 18 19 17 13 12 11 11 12 14 16 14 11 11 8 8 11 Wind gust 23 23 24 25 25 31 27 25 24 23 23 26 25 Clouds SC FW SC B1 SC SC SC SC SC B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC PoP 12hr 40 50 50 60 40 QPF 12hr 0.04-0.13 0.09-0.22 0.23-0.57 0.40-0.72 0.11-0.19 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS IS IS IS SC SC SC SC SC SC SC NM NM SC SC IS IS IS Tstms IS IS IS IS Obvis H H H H H H H H Heat index 99 91 86 83 83 95100102 96 88 83 80 80 91 96 96 93 85 82 80 92 Max heat 111 96 100 109 108 94 96 104 104 94 98 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 77 90 77 90 77 89 77 90 Temp 87 81 78 85 90 81 78 85 90 81 78 85 89 81 78 85 90 81 Dewpt 77 76 76 77 77 76 76 77 78 77 76 77 78 76 75 76 71 73 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC SC B1 SC SC SC SC SC SC SC B1 B2 B2 B1 B1 PoP 12hr 30 20 40 20 30 20 60 60 50 Rain shwrs SC SC IS IS SC SC IS IS IS IS IS IS SC SC NM SC SC SC Tstms IS IS IS $$ PRZ002-150800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 78 82 75 88 94 66 77 82 72 84 89 67 78 82 Temp 85 82 80 79 79 84 87 88 85 81 79 78 78 82 84 84 82 80 79 78 78 83 Dewpt 76 76 75 75 75 75 75 75 75 75 75 74 75 75 75 75 75 74 74 74 74 74 RH 75 82 85 88 88 74 68 66 72 82 88 88 91 79 74 74 79 82 85 88 88 74 Wind dir E NE E E NE NE E E NE E E E E E E E E E E E E E Wind spd 14 14 14 14 13 14 19 19 18 17 16 14 14 14 14 16 14 13 11 10 10 12 Wind gust 26 27 27 27 26 29 28 29 28 27 27 26 25 21 20 Clouds SC SC SC B1 SC SC SC SC SC B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 SC SC B1 PoP 12hr 40 60 60 50 50 QPF 12hr 0.05-0.14 0.17-0.23 0.44-0.59 0.34-0.72 0.20 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC IS SC SC SC NM NM SC SC SC SC SC SC SC SC IS IS SC Tstms IS IS IS IS IS IS IS IS IS Obvis H H H H H H H Heat index 95 89 85 83 83 92 96 97 93 86 82 80 80 88 92 92 89 85 82 80 81 89 Max heat 105 95 99 106 105 93 96 100 99 92 96 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 78 88 77 88 77 88 77 88 Temp 86 81 78 84 88 81 78 84 88 81 78 84 88 81 78 84 88 81 Dewpt 74 74 74 75 75 75 74 75 75 75 74 75 75 75 74 75 72 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 SC SC SC SC SC SC SC SC B1 SC SC SC B1 B2 B2 B2 B2 PoP 12hr 50 20 30 20 40 20 60 60 60 Rain shwrs SC IS IS IS IS IS IS IS SC SC IS IS IS SC NM NM SC NM Tstms IS IS IS IS IS IS $$ PRZ003-150800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 78 83 79 89 94 68 77 82 73 83 90 68 77 82 Temp 86 82 80 79 79 85 88 89 85 81 79 77 77 81 83 83 82 79 78 77 78 82 Dewpt 73 74 74 74 73 73 73 72 73 75 75 75 74 75 76 76 75 75 75 74 74 75 RH 65 77 82 85 82 67 61 57 67 82 88 94 90 82 80 80 79 88 91 90 88 79 Wind dir E NE NE NE NE NE E E NE NE NE NE E E E E E E NE E E E Wind spd 14 14 14 13 13 17 21 19 18 14 12 11 11 12 14 16 13 10 11 9 9 11 Wind gust 31 28 28 27 27 32 41 37 34 28 26 24 24 25 29 29 26 20 23 21 Clouds FW FW SC SC SC SC SC SC SC B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 FW FW B1 PoP 12hr 20 50 50 50 40 QPF 12hr 0.02-0.07 0.04-0.21 0.15-0.59 0.27-0.54 0.09-0.21 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC IS IS SC Tstms IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H Heat index 93 87 84 82 82 91 96 96 92 86 82 87 92 92 89 83 81 80 89 Max heat 107 95 102 107 106 93 98 103 103 92 98 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 77 88 77 88 77 88 77 88 Temp 86 81 78 84 88 81 78 84 88 80 78 84 88 80 78 83 88 80 Dewpt 75 74 74 75 76 75 75 76 76 75 75 76 76 75 74 75 71 73 PWind dir E NE E E E NE E E E Wind char GN LT GN LT GN LT GN GN GN Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 PoP 12hr 40 20 20 20 40 10 30 60 60 Rain shwrs SC IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC Tstms IS IS IS IS $$ PRZ004-150800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 75 79 77 87 94 68 74 78 72 81 88 69 74 78 Temp 84 79 77 76 76 83 86 87 83 78 76 75 75 79 81 81 80 77 76 74 75 80 Dewpt 74 74 74 73 73 74 74 73 74 74 74 73 73 75 75 75 74 73 74 73 73 74 RH 72 85 90 90 90 74 68 63 74 88 94 94 94 88 82 82 82 87 94 97 94 82 Wind dir E NE NE NE NE NE E E NE NE E E E E E E E E E E E E Wind spd 13 9 8 9 8 11 17 16 16 10 8 6 6 10 12 13 11 9 9 4 5 10 Wind gust 18 17 Clouds SC FW SC B1 SC SC SC SC SC B2 B2 B1 B1 B1 B1 B2 B2 B1 B1 SC SC B1 PoP 12hr 40 50 60 50 40 QPF 12hr 0.04-0.13 0.09-0.23 0.24-0.59 0.37-0.72 0.10-0.20 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS IS IS IS SC SC NM SC SC SC SC SC SC SC SC IS IS SC Tstms IS IS IS IS IS IS IS IS Obvis H H H H H H H Heat index 91 82 89 94 95 89 80 82 87 87 84 85 Max heat 107 92 100 106 105 89 96 102 102 87 98 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 74 87 74 87 74 87 74 87 Temp 84 78 75 82 87 78 75 82 87 78 75 82 87 78 75 82 87 78 Dewpt 73 73 73 74 74 74 73 75 74 74 73 75 75 74 73 74 69 72 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT GN Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B2 B2 PoP 12hr 30 20 30 20 30 20 50 50 60 Rain shwrs SC IS IS IS IS IS IS IS SC SC IS IS IS SC SC SC SC SC Tstms IS IS $$ PRZ005-150800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 82 84 90 94 73 76 82 81 86 90 73 75 82 Temp 86 81 79 78 78 85 89 90 85 80 78 77 77 83 86 86 83 79 78 76 77 83 Dewpt 78 77 77 76 75 77 77 77 77 76 76 76 75 77 78 78 77 76 76 75 74 76 RH 77 88 94 94 91 77 68 66 77 88 94 97 94 82 77 77 82 91 94 97 90 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 18 14 16 17 17 18 20 23 20 16 14 13 13 13 16 18 19 13 11 9 6 8 Wind gust 32 25 27 29 29 31 31 35 32 28 27 25 25 26 27 34 36 26 Clouds FW FW SC SC SC SC SC SC SC B1 SC B1 B1 SC SC B1 B1 SC SC FW FW FW PoP 12hr 10 40 40 40 20 QPF 12hr 0.03 0.03-0.10 0.06-0.30 0.24-0.47 0.07-0.13 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC IS IS Tstms IS IS Obvis H H H H H H H H H Heat index 99 89 83 95102102 96 86 80 91 99 98 93 82 92 Max heat 112 95 103 112 110 95 100 108 108 94 98 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 76 90 76 90 75 89 75 90 Temp 88 80 77 84 90 80 77 84 90 80 76 84 89 80 76 84 90 80 Dewpt 77 76 75 76 78 77 75 77 79 77 75 77 79 77 75 77 73 73 PWind dir E E E E E E E E E Wind char GN LT GN GN GN GN GN LT GN Avg clouds SC B1 SC SC SC B1 SC SC SC B1 FW SC SC B1 B1 B1 B1 B1 PoP 12hr 50 10 40 10 50 20 50 50 50 Rain shwrs SC SC IS IS SC SC IS IS IS IS IS IS SC SC SC SC SC SC Tstms IS $$ PRZ006-150800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 73 78 75 85 94 64 72 77 72 80 88 63 72 76 Temp 82 78 76 74 74 80 84 85 81 77 75 73 73 78 80 80 78 75 74 73 73 78 Dewpt 72 73 73 73 72 72 72 71 72 72 73 72 72 73 74 73 73 72 72 72 72 73 RH 72 85 90 97 93 77 67 63 74 85 94 97 97 85 82 79 85 90 93 97 97 85 Wind dir NE NE NE NE NE NE NE NE NE NE NE E E E E E E E E E E E Wind spd 13 10 9 10 9 12 16 17 14 9 8 5 5 8 11 12 12 6 8 4 4 8 Wind gust 27 21 21 21 20 26 39 37 29 20 28 27 25 Clouds FW FW SC SC SC SC SC SC SC SC B1 SC SC SC SC B1 B1 SC SC FW FW SC PoP 12hr 20 30 40 40 30 QPF 12hr 0.01-0.11 0.03-0.12 0.03-0.32 0.17-0.56 0.05-0.13 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS SC IS IS IS IS SC SC IS IS IS Tstms IS IS IS Obvis H H H H H H H H H Heat index 87 84 90 90 85 80 84 84 81 81 Max heat 106 90 98 106 105 88 95 103 103 96 Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 72 85 72 85 72 84 72 84 Temp 82 76 73 80 85 76 73 80 85 76 73 80 84 76 73 80 84 76 Dewpt 72 72 72 73 72 73 72 73 74 73 72 73 74 73 72 73 70 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT GN Avg clouds SC SC FW SC SC SC SC SC SC SC FW SC SC B1 SC SC B1 B1 PoP 12hr 30 5 30 20 30 10 40 40 40 Rain shwrs IS SC IS IS IS IS IS IS SC SC IS IS SC SC SC SC SC SC $$ PRZ007-150800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 77 82 75 90 94 63 76 82 72 85 91 62 75 82 Temp 86 81 79 77 78 85 90 90 86 81 79 77 77 82 85 85 82 79 77 76 76 82 Dewpt 71 72 71 71 70 70 71 69 69 73 72 72 72 73 75 74 74 73 72 71 71 72 RH 61 74 77 82 76 61 54 50 57 77 79 85 85 74 72 70 77 82 85 85 85 72 Wind dir E NE NE NE NE NE E E NE NE NE NE E E E E E E NE E E E Wind spd 14 10 10 10 10 12 19 19 16 11 10 6 6 9 14 14 14 9 8 5 5 8 Wind gust 31 26 26 26 25 29 40 40 32 26 24 19 23 33 33 29 23 20 19 Clouds FW FW FW SC FW FW FW FW FW FW SC FW FW FW FW SC SC SC SC FW FW SC PoP 12hr 10 5 10 10 20 QPF 12hr 0.01 0.02 0.01-0.16 0.10-0.34 0.06 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H H Heat index 91 85 82 80 89 95 95 90 85 81 87 93 92 89 82 87 Max heat 103 92 96 105 102 94 95 104 103 93 94 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 75 88 75 88 75 88 75 88 Temp 87 80 76 83 88 80 76 83 88 79 76 83 88 79 76 83 88 79 Dewpt 73 73 71 72 74 74 72 73 75 74 72 73 75 74 72 73 73 72 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT GN Avg clouds SC SC FW FW SC SC SC SC SC SC FW FW SC SC FW FW SC B1 PoP 12hr 20 5 40 10 30 5 50 10 40 Rain shwrs IS SC SC IS IS IS SC SC IS IS SC SC IS IS SC SC $$ PRZ008-150800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 76 82 84 88 94 71 75 82 81 85 91 70 74 82 Temp 85 80 78 77 77 83 87 88 84 79 77 76 76 81 85 85 82 78 76 75 75 82 Dewpt 76 76 76 75 74 75 76 75 75 75 75 74 74 75 77 77 76 75 75 74 73 74 RH 75 88 94 94 90 77 70 66 74 88 94 94 94 82 77 77 82 91 97 97 94 77 Wind dir E E E E E E E NE NE E E E E E E E E E E E E E Wind spd 21 18 19 20 20 20 21 24 23 19 19 17 16 17 17 20 19 18 12 10 9 8 Wind gust 37 32 33 34 32 33 32 36 35 33 34 31 28 29 29 34 35 32 26 20 Clouds FW FW FW FW SC SC FW FW FW SC SC SC SC SC SC B2 B2 SC SC FW FW FW PoP 12hr 10 10 20 60 20 QPF 12hr 0.01 0.02 0.03-0.09 0.33-0.95 0.08-0.17 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS NM NM IS IS Tstms IS IS Obvis H H H H H H H H H Heat index 95 85 80 91 98 98 92 82 88 95 94 89 87 Max heat 107 93 99 109 107 93 97 106 106 93 96 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 74 88 74 88 74 88 74 88 Temp 86 79 75 83 88 79 75 83 88 79 75 82 88 78 75 82 88 78 Dewpt 76 75 74 75 77 76 74 75 77 76 74 75 78 76 73 75 74 73 PWind dir E E NE E E E E E E Wind char GN GN GN GN GN GN GN LT GN Avg clouds SC B1 SC SC SC B1 SC SC SC B1 FW FW SC B1 SC SC SC B1 PoP 12hr 60 10 60 10 60 5 40 10 60 Rain shwrs NM IS IS IS NM NM IS IS NM NM IS IS SC SC IS IS NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ009-150800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 77 75 86 94 66 73 78 72 82 91 65 72 76 Temp 83 78 76 74 75 81 85 86 82 77 75 74 74 79 82 82 79 75 74 72 73 79 Dewpt 73 73 74 72 72 72 74 72 72 72 73 72 72 73 75 75 74 73 72 71 71 72 RH 72 85 94 93 90 74 70 63 72 85 94 93 93 82 79 79 85 94 93 97 93 79 Wind dir NE NE NE NE E E E NE NE NE E E E E E E E E E E E E Wind spd 13 11 11 10 11 12 16 17 16 11 10 8 6 8 10 9 9 6 5 4 4 5 Wind gust 31 23 24 24 24 24 33 39 29 24 23 20 18 19 32 32 25 19 16 Clouds SC SC FW FW FW SC SC SC SC FW SC SC SC SC SC B1 B1 SC SC FW FW FW PoP 12hr 10 10 10 40 10 QPF 12hr 0.01 0.03 0.01-0.08 0.16-0.86 0.05-0.14 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS IS IS Tstms IS IS Obvis H H H H H H H H H Heat index 89 80 86 93 93 87 82 88 88 83 82 Max heat 107 90 100 109 107 89 98 108 108 86 97 Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 84 72 85 72 85 72 85 71 85 Temp 84 76 73 80 85 76 73 80 85 76 73 80 85 76 72 80 85 76 Dewpt 73 73 71 72 74 74 72 73 75 74 72 73 76 74 71 73 72 70 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 FW FW SC B1 SC SC SC B1 FW FW SC B1 FW FW SC B1 PoP 12hr 60 5 60 10 60 5 50 5 60 Rain shwrs IS NM IS IS NM IS IS IS NM NM IS IS SC SC IS IS IS NM Tstms IS IS IS IS IS IS IS IS $$ PRZ010-150800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 76 82 79 92 94 70 76 82 73 88 91 67 75 82 Temp 87 82 79 77 78 86 91 92 87 81 79 77 78 84 88 88 84 79 77 76 76 84 Dewpt 77 77 76 74 73 75 77 76 76 75 75 74 73 76 78 78 77 76 75 74 72 75 RH 72 85 91 90 85 70 64 60 70 82 88 90 85 77 72 72 80 91 94 94 87 74 Wind dir E NE E E E E E NE NE NE E NE E E E E E NE E E E E Wind spd 14 16 17 14 14 16 17 17 21 18 17 14 11 11 9 9 10 10 10 8 8 6 Wind gust 31 36 35 32 33 32 29 32 40 39 36 33 29 25 24 26 24 26 21 21 21 20 Clouds SC FW FW FW FW FW FW SC SC FW FW SC SC FW FW B1 B1 SC SC FW FW SC PoP 12hr 5 20 10 50 30 QPF 12hr 0 0.01-0.10 0.02 0.21-1.07 0.06-0.23 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS NM NM IS IS IS Tstms IS IS Obvis H H H H H H H H H Heat index 99 89 82 96104104 98 88 81 93101101 95 83 92 Max heat 112 93 105 116 110 92 104 113 108 93 102 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 75 90 75 90 75 90 75 90 Temp 89 80 76 85 90 80 76 85 90 80 76 84 90 80 76 84 90 80 Dewpt 77 76 74 75 78 77 74 76 79 77 74 76 79 77 74 76 74 72 PWind dir E E E E E E E E E Wind char LT LT LT LT LT GN LT GN GN Avg clouds SC B1 FW FW SC B1 SC SC SC B1 SC FW SC B1 FW FW SC B1 PoP 12hr 60 5 60 20 60 5 50 5 60 Rain shwrs IS NM IS IS NM NM IS IS NM NM IS IS SC SC NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ011-150800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 76 82 84 93 94 74 77 82 83 89 91 72 75 82 Temp 88 82 79 77 78 87 92 93 88 82 80 78 78 85 89 89 86 80 78 76 77 85 Dewpt 74 74 73 72 71 71 72 72 72 75 74 73 72 74 77 77 77 77 75 73 72 74 RH 63 77 82 85 79 59 52 51 59 79 82 85 82 70 68 68 75 91 91 90 85 70 Wind dir SE NE E E E E E E E E E E E E E SE SE E E E E E Wind spd 20 10 8 6 8 11 17 24 18 11 10 8 6 11 19 20 14 12 10 8 8 9 Wind gust 37 23 19 24 36 44 33 24 20 25 37 39 32 26 21 19 Clouds FW FW FW FW FW FW FW SC FW CL FW FW FW FW FW SC SC FW FW FW FW SC PoP 12hr 0 10 5 10 20 QPF 12hr 0 0.02 0.01 0.10-0.47 0.04-0.11 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS Obvis H H H H H H H H H Heat index 97 88 81 93100102 96 89 83 93103103 97 85 92 Max heat 107 93 99 109 107 93 96 108 108 93 96 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 92 76 92 75 92 75 92 Temp 91 81 76 86 92 81 77 86 92 81 76 86 92 81 76 86 92 81 Dewpt 76 76 73 74 77 77 74 75 78 77 74 75 78 77 74 75 74 72 PWind dir SE E SE E E E E E SE Wind char GN GN GN LT GN LT LT GN BZ Avg clouds SC SC FW FW SC B1 SC SC SC SC FW FW SC B1 FW FW SC SC PoP 12hr 40 5 50 10 30 5 50 5 40 Rain shwrs SC SC SC SC IS IS SC SC IS IS SC SC SC SC $$ PRZ012-150800- Culebra- Including the city of Culebra 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 84 88 94 81 83 86 91 81 Temp 86 84 83 82 82 86 88 88 86 83 82 81 81 84 86 86 85 83 82 81 82 84 Dewpt 79 78 77 77 77 78 78 77 78 77 77 77 76 77 77 77 77 77 76 76 76 76 RH 80 82 82 85 85 77 72 70 77 82 85 88 85 80 75 75 77 82 82 85 82 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 20 23 24 25 24 24 24 24 25 25 25 24 24 23 20 20 19 18 18 18 17 16 Wind gust 34 Clouds SC FW FW SC FW SC SC SC SC B2 B1 B1 B1 SC SC B1 B1 SC SC SC SC B2 PoP 12hr 10 50 50 50 50 QPF 12hr 0.02 0.10 0.21 0.16 0.11 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC SC SC SC SC SC SC SC SC IS IS IS IS SC Tstms IS IS IS IS Obvis H H H H H H H Heat index 99 95 92 90 90 97100100 97 92 90 87 88 94 97 97 95 92 90 88 88 94 Max heat 107 97 102 107 106 96 100 105 105 96 99 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 81 88 81 88 81 88 81 88 Temp 87 83 81 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83 Dewpt 76 76 76 77 77 77 76 77 77 77 77 77 77 77 76 77 74 75 PWind dir E E E E E E E E E Wind char GN GN GN BZ BZ BZ GN BZ BZ Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 B2 B2 PoP 12hr 50 30 20 20 30 20 60 60 60 Rain shwrs SC SC SC SC IS IS IS IS SC SC IS IS IS NM NM NM NM NM Tstms IS IS IS IS IS IS $$ PRZ013-150800- Vieques- Including the city of Vieques 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 84 89 93 80 82 86 89 81 Temp 87 84 83 82 82 86 88 89 86 83 82 81 81 84 86 86 85 83 82 81 81 85 Dewpt 76 76 76 76 75 76 75 75 75 75 76 75 75 76 75 75 75 75 75 75 74 75 RH 70 77 80 82 79 72 66 64 70 77 82 82 82 77 70 70 72 77 79 82 79 72 Wind dir E NE E NE NE NE E E NE E E E E E E E E E E E E E Wind spd 19 23 24 25 23 23 24 24 24 25 25 24 24 23 20 20 19 18 18 17 17 17 Wind gust 34 34 Clouds FW FW FW SC FW SC SC SC SC B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B2 PoP 12hr 10 50 50 40 50 QPF 12hr 0.02 0.11 0.20-0.32 0.14-0.29 0.11-0.16 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC IS IS IS IS SC Tstms IS IS IS IS IS Obvis H H H H H H H Heat index 97 93 91 88 89 96 99 99 95 91 88 86 86 93 95 95 93 90 88 86 87 93 Max heat 105 94 99 105 103 93 97 100 99 92 98 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 81 89 80 89 80 89 80 89 Temp 87 83 81 86 89 83 81 86 89 83 81 85 89 83 81 86 89 83 Dewpt 74 75 75 76 74 75 75 76 75 75 75 76 74 75 75 75 74 74 PWind dir E E E E E E E E E Wind char GN GN GN BZ BZ BZ GN BZ BZ Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 B2 B2 PoP 12hr 50 20 20 20 30 20 60 60 60 Rain shwrs SC IS IS IS IS IS IS IS SC SC IS IS IS NM NM NM NM NM Tstms IS IS IS IS IS IS $$ VIZ001-150800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 81 83 84 87 94 73 80 82 82 85 91 74 80 82 Temp 85 83 82 81 82 85 87 87 85 82 81 80 80 83 85 85 84 82 81 80 81 83 Dewpt 76 77 76 76 76 76 76 75 75 76 76 76 75 76 75 75 75 75 75 75 75 75 RH 75 82 82 85 82 75 70 68 72 82 85 88 85 80 72 72 74 79 82 85 82 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 21 24 25 25 24 25 25 25 25 25 25 25 25 23 23 20 19 18 18 18 17 14 Wind gust 35 Clouds FW FW FW FW FW SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC SC SC SC B1 PoP 12hr 10 40 40 30 40 QPF 12hr 0.01 0.09 0.17 0.09 0.07 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC SC SC SC SC SC SC IS IS IS IS SC Obvis H H H H H H H Heat index 95 92 89 87 88 94 97 97 94 89 87 85 85 91 93 93 91 88 87 85 86 91 Max heat 107 96 102 107 106 96 100 103 102 94 100 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 80 87 80 87 80 87 80 87 Temp 85 83 80 84 87 82 80 84 87 82 80 84 87 82 80 84 87 82 Dewpt 74 75 75 76 74 75 75 76 75 75 75 76 74 75 75 75 73 75 PWind dir E E E E E E E E E Wind char BZ GN GN BZ BZ BZ BZ BZ BZ Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 B2 B2 PoP 12hr 40 30 20 20 30 20 60 60 60 Rain shwrs SC SC SC SC IS IS IS IS SC SC IS IS SC NM NM NM SC NM Tstms IS IS IS IS IS $$ VIZ002-150800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Fri Aug 14 2026 Date 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 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 84 88 94 76 79 82 82 85 91 80 Temp 86 83 82 81 82 85 88 88 85 82 81 80 80 83 85 85 84 82 81 80 81 84 Dewpt 77 77 77 76 77 77 76 76 77 76 77 76 76 76 76 76 76 76 76 75 75 76 RH 75 82 85 85 85 77 68 68 77 82 88 88 88 80 75 75 77 82 85 85 82 77 Wind dir E E E NE E E E E E E E E E E E E E E E E E E Wind spd 21 23 24 24 23 25 25 25 25 25 24 21 23 21 21 19 18 17 18 16 17 16 Wind gust 36 33 35 35 35 32 33 Clouds SC SC SC FW SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1 B1 SC PoP 12hr 20 40 40 40 50 QPF 12hr 0.04 0.15 0.19 0.11 0.13 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC Tstms IS IS Obvis H H H H H H H Heat index 98 93 90 88 88 95 98 99 96 90 87 84 85 92 95 95 93 90 88 85 86 92 Max heat 107 96 102 107 107 94 99 105 105 93 99 Heat Y Date 08/17 Tue 08/18/26 Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 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 80 88 80 88 80 88 80 88 Temp 86 83 81 85 88 83 80 85 88 83 80 85 88 83 80 85 88 83 Dewpt 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 72 74 PWind dir E E E E E E E E E Wind char BZ GN GN GN GN GN GN BZ BZ Avg clouds SC SC SC FW FW SC SC SC SC SC SC SC SC B1 B2 B2 B1 SC PoP 12hr 30 10 30 30 30 10 60 60 60 Rain shwrs SC IS IS IS IS SC SC SC SC SC IS IS SC SC NM NM NM SC Tstms IS IS IS IS $$