Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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244 FOCA52 TJSJ 160631 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 AM AST Sun Aug 16 2026 PRZ001-162000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 92 73 78 83 84 89 93 72 77 82 84 90 93 Temp 79 85 88 89 86 82 80 79 79 85 88 89 86 81 80 78 79 85 89 90 86 81 Dewpt 76 77 76 76 75 75 75 75 74 76 75 76 75 75 76 75 75 75 75 76 76 76 RH 91 77 68 66 70 79 85 88 85 75 66 66 70 82 88 91 88 72 64 64 72 85 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 10 12 14 16 14 9 10 8 8 11 13 14 13 8 6 6 8 9 12 14 13 8 Wind gust 20 25 24 25 24 Clouds FW SC SC B1 SC FW SC SC FW SC SC SC SC FW FW SC SC SC SC B1 B1 CL PoP 12hr 40 20 20 20 40 QPF 12hr 0.04-0.11 0.04 0.10 0.03 0.23-0.45 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC Obvis H H H H H Heat index 82 95100100 94 88 84 81 82 94 99101 95 88 84 80 81 93100102 96 88 Max heat 101 109 107 93 98 108 107 92 98 111 110 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 77 90 78 90 78 90 Temp 78 84 89 81 78 85 90 82 79 86 90 82 79 85 90 82 Dewpt 76 77 78 77 76 77 77 76 75 76 75 75 75 76 76 75 PWind dir E E SE E E E E E Wind char LT GN LT GN GN GN GN GN Avg clouds CL FW FW SC B1 B1 SC SC SC SC CL FW SC SC SC SC PoP 12hr 5 50 50 50 20 10 10 30 Rain shwrs IS SC SC SC SC SC IS IS IS IS IS IS SC $$ PRZ002-162000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 87 93 67 78 83 75 88 93 66 77 82 75 88 93 Temp 79 84 87 87 85 81 80 79 79 84 87 88 84 81 79 78 78 84 87 88 85 81 Dewpt 75 75 74 74 73 74 74 73 74 74 73 74 73 74 74 74 74 74 74 75 75 75 RH 88 74 65 65 67 79 82 82 85 72 63 63 70 79 85 88 88 72 65 66 72 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 14 14 14 12 10 11 9 9 13 12 12 11 8 8 9 9 10 10 12 11 9 Wind gust 26 21 21 19 19 25 18 19 Clouds SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 30 20 20 20 20 QPF 12hr 0.05-0.11 0.06 0.09 0.03 0.01-0.45 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC Obvis H H H H H H Heat index 82 91 95 96 91 86 84 81 82 91 95 96 91 86 83 80 81 91 96 97 92 86 Max heat 98 103 102 93 97 103 102 92 97 105 104 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 87 77 88 78 88 78 88 Temp 78 83 87 81 78 84 88 81 79 84 88 81 78 84 88 81 Dewpt 75 75 76 75 75 76 75 75 74 74 74 74 74 74 74 74 PWind dir E E SE E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds FW FW SC B1 B2 B2 B1 SC FW FW CL FW SC B1 B1 B1 PoP 12hr 5 60 60 60 5 30 40 40 Rain shwrs IS IS SC SC NM SC SC IS IS SC SC SC SC SC Tstms IS IS IS IS $$ PRZ003-162000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 77 83 79 89 93 68 77 82 79 89 93 Temp 78 84 87 88 85 81 79 78 78 84 88 89 85 81 79 78 78 84 88 89 85 81 Dewpt 75 76 74 73 72 72 73 73 72 73 72 72 72 72 73 73 73 72 73 74 73 74 RH 91 77 65 61 65 74 82 85 82 70 59 57 65 74 82 85 85 67 61 61 67 79 Wind dir E E E E E NE NE E E E E E E NE NE NE NE E E E E NE Wind spd 11 13 17 16 13 9 10 9 8 12 13 12 12 8 8 8 9 9 13 13 12 8 Wind gust 23 27 32 33 27 21 19 23 27 27 24 28 29 26 Clouds SC SC SC FW FW FW FW SC CL FW FW SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 20 5 10 20 10 QPF 12hr 0.04 0.02 0.06 0.03 0.01-0.31 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H Heat index 81 92 96 95 91 85 83 80 81 91 95 95 91 85 82 80 90 96 98 92 85 Max heat 102 107 105 92 99 106 105 92 99 109 107 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 88 78 88 77 88 Temp 78 83 87 80 78 84 88 81 78 84 88 81 78 84 88 81 Dewpt 74 74 75 75 75 75 74 74 73 73 72 73 73 73 73 73 PWind dir E E E E E E E E Wind char LT GN LT GN GN GN GN GN Avg clouds FW FW SC SC SC SC B1 SC FW FW CL FW SC SC SC SC PoP 12hr 5 30 60 60 5 20 40 40 Rain shwrs IS IS IS IS SC SC IS IS IS IS IS SC SC Tstms IS IS $$ PRZ004-162000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 87 93 69 74 78 77 87 93 68 74 77 77 88 93 Temp 75 82 86 87 83 78 76 75 75 82 86 87 83 78 76 75 75 82 87 88 83 78 Dewpt 74 75 74 73 72 73 73 72 72 73 72 72 72 73 73 73 72 72 73 73 74 74 RH 97 79 68 63 70 85 90 90 90 74 63 61 70 85 90 94 90 72 63 61 74 88 Wind dir E E E E E E E E E E E E E E NE E E E E E E E Wind spd 6 11 13 13 11 5 6 4 4 10 11 11 11 4 3 3 5 8 10 11 11 5 Clouds SC SC SC SC SC FW SC SC FW SC SC SC SC FW FW SC SC SC SC SC SC FW PoP 12hr 30 10 20 20 10 QPF 12hr 0.04-0.11 0.03 0.09 0.02 0.01-0.36 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H Heat index 89 94 94 88 80 88 94 94 89 80 88 94 96 90 81 Max heat 101 107 103 88 98 105 103 87 95 106 105 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 86 74 87 74 87 74 87 Temp 75 82 86 78 75 82 87 79 75 82 87 78 75 82 87 78 Dewpt 73 75 75 75 74 75 74 74 73 73 72 73 72 74 73 73 PWind dir E E SE E E E E E Wind char LT GN LT GN GN GN LT GN Avg clouds FW FW SC SC B1 B1 B1 SC SC FW CL FW SC SC SC SC PoP 12hr 5 40 50 50 5 20 30 30 Rain shwrs IS SC SC SC SC SC IS IS IS IS IS SC SC Tstms IS $$ PRZ005-162000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 84 90 93 73 76 83 84 90 93 73 75 82 84 90 93 Temp 78 85 89 90 85 81 79 77 77 85 89 90 85 80 78 76 77 84 89 90 85 80 Dewpt 76 77 78 77 76 75 75 74 74 76 76 76 76 76 75 75 74 75 76 77 77 77 RH 94 77 70 66 75 82 88 90 90 75 66 64 75 88 91 97 90 74 66 66 77 91 Wind dir E E E E E E E E SE E E NE NE E E E E E E NE NE E Wind spd 12 13 16 18 18 12 9 8 6 9 14 16 16 12 9 6 6 8 12 17 16 11 Wind gust 23 24 27 32 34 26 19 25 29 29 24 31 29 24 Clouds FW SC FW SC SC CL FW FW FW FW FW B1 B1 CL CL SC SC FW FW SC SC CL PoP 12hr 20 5 30 10 20 QPF 12hr 0.03-0.14 0.01 0.09-0.56 0.01 0.04-0.44 Snow 12hr MM MM MM Rain shwrs IS IS SC IS IS IS IS IS SC SC IS IS IS IS Obvis H H H H H H Heat index 95102102 95 86 81 94101102 95 86 80 93101103 96 86 Max heat 102 112 110 93 100 112 110 91 100 112 111 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 89 75 89 76 90 76 90 Temp 76 84 89 80 76 84 89 80 77 85 90 81 77 84 90 80 Dewpt 75 77 79 78 75 78 79 77 74 76 76 75 74 76 77 76 PWind dir E E SE E E E E E Wind char GN GN LT GN LT BZ GN GN Avg clouds CL FW SC B1 SC SC SC B2 B1 SC FW FW FW FW FW SC PoP 12hr 5 40 10 60 40 5 5 30 Rain shwrs SC SC IS IS IS SC SC SC IS IS Tstms IS IS $$ PRZ006-162000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 85 93 63 72 77 75 86 93 63 72 77 75 86 93 Temp 74 80 84 85 81 77 75 73 74 81 85 86 81 76 74 73 73 80 85 86 81 77 Dewpt 73 74 73 71 71 71 72 71 71 72 71 70 71 71 72 71 71 71 72 72 72 73 RH 97 82 70 63 72 82 90 93 90 74 63 59 72 85 93 93 93 74 65 63 74 87 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 5 9 11 13 11 5 3 4 3 6 10 10 10 5 4 3 4 5 10 11 10 5 Wind gust 21 31 32 25 26 27 23 28 29 24 Clouds FW SC FW SC SC CL FW FW CL FW FW SC SC FW FW FW FW FW FW B1 B1 CL PoP 12hr 30 5 20 5 40 QPF 12hr 0.03-0.09 0.01 0.05-0.19 0.01 0.25-0.54 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS IS IS IS IS IS IS SC SC Obvis H H H H H H Heat index 85 91 91 85 84 90 91 85 84 90 92 86 Max heat 100 105 103 86 97 105 103 85 95 106 106 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 72 84 72 84 72 86 72 85 Temp 73 79 84 76 73 80 84 76 73 81 86 77 73 80 85 76 Dewpt 72 73 74 74 72 74 74 73 71 72 70 71 71 72 71 71 PWind dir E E SE E E E E E Wind char LT LT LT GN LT GN LT GN Avg clouds CL FW SC SC SC SC SC B1 SC SC FW FW FW FW FW SC PoP 12hr 5 40 30 50 20 5 5 20 Rain shwrs SC SC IS IS SC SC IS IS IS IS IS IS IS Tstms IS $$ PRZ007-162000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 89 93 63 76 83 75 89 93 62 75 82 75 89 93 Temp 78 84 88 89 85 80 78 77 77 84 88 89 85 80 78 76 76 84 88 89 85 80 Dewpt 73 74 72 71 72 71 70 70 69 70 71 71 71 71 70 70 69 69 70 72 73 73 RH 85 72 59 56 65 74 76 79 76 63 57 56 63 74 76 82 79 61 55 57 67 79 Wind dir E E E SE E E NE NE NE E SE SE SE E NE NE NE E E SE SE E Wind spd 6 10 14 17 14 8 5 5 4 5 12 12 10 8 5 4 4 4 12 13 10 8 Wind gust 19 25 32 37 29 21 27 28 26 28 31 27 Clouds SC SC SC SC SC CL CL FW CL CL CL SC SC FW FW FW FW FW FW B1 B1 FW PoP 12hr 10 0 10 5 40 QPF 12hr 0.03-0.32 0 0.04-0.38 0 0.13-0.54 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS SC SC Obvis H H H H H H Heat index 80 91 95 95 90 83 80 88 94 95 90 83 87 94 97 92 83 Max heat 99 106 103 89 94 105 103 89 94 106 105 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 87 76 88 76 89 75 89 Temp 76 83 87 80 76 83 88 80 77 84 89 80 76 84 89 80 Dewpt 71 71 74 74 73 74 73 74 71 71 72 70 70 70 72 72 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW SC SC FW SC SC SC SC FW FW FW FW FW FW SC PoP 12hr 5 40 10 50 10 10 0 30 Rain shwrs SC SC IS IS SC SC IS IS IS IS SC IS $$ PRZ008-162000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 88 93 70 75 83 84 88 93 70 74 82 84 88 93 Temp 77 83 87 88 84 79 77 76 76 83 87 88 84 79 77 75 76 83 87 88 84 79 Dewpt 74 75 77 76 75 74 74 73 72 74 75 75 75 75 74 73 72 73 75 76 76 76 RH 90 77 72 68 74 85 90 90 87 74 68 66 74 88 90 94 87 72 68 68 77 91 Wind dir E E E NE NE E E E E E NE NE NE E E E E E NE NE NE E Wind spd 16 16 17 18 19 17 12 9 6 8 12 12 12 14 11 9 8 9 11 12 12 12 Wind gust 29 28 28 32 34 29 24 19 25 28 26 26 23 19 21 27 25 24 Clouds FW FW CL SC SC CL CL CL CL CL CL B1 B1 CL CL SC SC FW FW SC SC FW PoP 12hr 30 0 50 5 20 QPF 12hr 0.03-0.31 0 0.28-0.75 0.01 0.06-0.40 Snow 12hr MM MM MM Rain shwrs SC IS SC SC IS IS IS IS Obvis H H H H H H Heat index 92 99 99 92 82 90 97 98 92 81 89 97 99 92 81 Max heat 99 109 108 92 96 109 106 90 95 109 108 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 87 74 87 74 89 74 88 Temp 75 82 87 78 75 82 87 78 75 83 89 79 75 83 88 79 Dewpt 74 75 78 77 74 76 77 76 73 74 75 75 73 74 76 75 PWind dir E E E E E E E E Wind char GN GN LT GN LT GN GN BZ Avg clouds FW FW SC B1 FW FW SC B2 B1 SC FW FW FW FW SC B1 PoP 12hr 5 50 5 60 50 10 0 60 Rain shwrs SC SC IS IS NM NM SC SC IS IS NM NM Tstms IS IS IS IS $$ PRZ009-162000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 87 93 65 72 76 75 87 93 65 71 75 75 86 93 Temp 75 82 86 87 82 77 75 73 74 81 86 87 82 76 74 72 73 81 85 86 82 76 Dewpt 72 73 74 73 72 72 72 71 70 71 72 72 73 73 72 71 70 71 72 73 74 74 RH 90 74 68 63 72 85 90 93 87 72 63 61 74 90 93 97 90 72 65 65 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 E Wind spd 6 8 10 9 9 6 5 4 4 4 6 5 4 5 5 4 4 4 5 5 5 4 Wind gust 18 18 31 34 25 20 26 25 16 24 24 Clouds FW FW FW B2 B1 CL FW FW CL CL CL B1 B1 CL CL FW FW FW FW B1 B1 FW PoP 12hr 50 0 60 5 50 QPF 12hr 0.07-0.55 0 0.12-0.75 0 0.28-0.54 Snow 12hr MM MM MM Rain shwrs IS IS SC SC NM NM IS IS SC SC Tstms IS IS IS Obvis H H H H H Heat index 87 94 94 87 85 92 93 87 84 92 94 87 Max heat 99 110 107 86 96 107 106 85 94 109 107 Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 85 72 85 72 86 72 86 Temp 72 80 85 76 73 80 85 76 73 81 86 77 73 80 86 76 Dewpt 72 73 76 74 72 74 75 74 71 72 72 72 71 72 73 73 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B1 FW FW SC B1 B1 SC FW SC FW FW SC B1 PoP 12hr 5 50 5 60 30 30 0 60 Rain shwrs SC SC IS IS IS NM SC SC SC SC NM NM Tstms IS IS IS IS $$ PRZ010-162000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 91 93 68 75 83 78 91 93 67 75 82 78 91 93 Temp 78 85 90 91 86 80 78 76 77 85 90 91 86 80 78 76 76 85 90 91 86 80 Dewpt 73 76 78 77 77 75 74 73 72 74 76 76 76 76 75 73 72 74 76 77 77 76 RH 85 75 68 64 75 85 88 90 85 70 64 62 72 88 91 90 87 70 64 64 75 88 Wind dir E E E E NE E E E E E E NE NE E E E E E E NE E E Wind spd 12 11 9 9 10 10 11 8 6 4 5 6 6 10 8 6 6 5 4 5 4 6 Wind gust 29 25 23 23 24 24 25 19 17 18 17 19 24 19 18 17 14 17 18 Clouds FW FW FW B2 B2 FW FW CL CL CL CL B2 B2 FW FW FW FW FW FW B1 B1 FW PoP 12hr 60 0 60 5 40 QPF 12hr 0.14-0.56 0.01 0.13-0.76 0.01 0.01-0.54 Snow 12hr MM MM MM Rain shwrs IS IS IS NM NM NM NM IS IS SC SC IS Tstms IS IS IS IS Obvis H H H H Heat index 96104105 97 86 93101103 96 85 92102104 97 85 Max heat 107 114 111 92 101 112 109 91 97 112 111 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 90 75 90 75 90 75 90 Temp 76 84 90 80 76 84 90 80 76 85 90 80 76 84 90 80 Dewpt 74 76 78 77 75 77 78 77 74 75 76 76 73 75 77 76 PWind dir E E E E E E E E Wind char LT LT LT GN GN LT GN GN Avg clouds FW FW SC B1 FW FW SC B1 B1 SC FW SC FW FW SC B1 PoP 12hr 5 50 5 60 40 40 0 60 Rain shwrs IS IS SC SC IS IS SC SC SC SC SC NM NM Tstms IS IS IS IS $$ PRZ011-162000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 84 92 93 73 75 83 84 92 93 72 75 82 84 92 93 Temp 79 86 91 92 87 81 78 76 77 86 91 92 87 80 78 76 76 85 91 92 87 81 Dewpt 73 75 75 74 75 74 72 71 70 70 73 73 73 73 73 70 69 70 72 74 75 75 RH 82 70 60 56 68 79 82 85 79 59 56 54 63 79 85 82 79 61 54 56 68 82 Wind dir E E E SE E E E E E E SE SE E E E NE NE E SE SE SE E Wind spd 8 10 16 20 14 13 8 6 6 5 13 13 6 6 8 4 3 4 11 11 8 9 Wind gust 23 35 42 32 26 29 31 27 29 20 19 Clouds SC SC SC SC SC CL CL CL CL CL CL SC SC FW FW FW FW FW FW SC SC FW PoP 12hr 20 0 20 5 30 QPF 12hr 0.05-0.49 0 0.07-0.60 0 0.10-0.52 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H Heat index 80 96102102 96 86 80 91100101 94 85 90 98102 97 86 Max heat 99 110 109 92 95 109 107 90 94 109 108 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 92 76 91 76 91 75 91 Temp 76 85 92 81 77 85 91 81 77 86 91 81 76 85 91 81 Dewpt 73 72 76 76 75 75 75 76 73 72 75 73 70 71 75 75 PWind dir E E E E E E E E Wind char LT GN GN BZ GN GN LT GN Avg clouds FW FW SC SC FW FW SC SC SC FW FW SC FW FW SC B1 PoP 12hr 5 30 5 40 10 20 0 50 Rain shwrs IS IS SC SC IS SC SC IS IS IS IS SC IS $$ PRZ012-162000- Culebra- Including the city of Culebra 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 88 94 81 84 88 94 81 84 88 94 Temp 82 86 88 88 86 83 83 82 82 85 87 88 86 83 82 81 82 85 87 88 86 83 Dewpt 77 76 76 76 76 76 76 76 75 76 76 76 76 76 76 76 76 76 77 77 77 77 RH 85 72 68 68 72 80 80 82 79 75 70 68 72 80 82 85 82 75 72 70 75 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 21 19 18 16 17 18 17 17 19 19 16 13 13 14 18 16 14 14 14 13 13 14 Clouds FW SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 20 20 20 20 30 QPF 12hr 0.07 0.08 0.08 0.02 0.29 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS Obvis H H H H H H Heat index 90 95 99 99 96 92 90 88 89 95 98 98 96 91 90 88 88 95 99 99 96 92 Max heat 101 106 105 94 100 106 105 94 100 107 106 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 88 81 88 81 88 81 88 Temp 81 85 88 83 81 85 88 83 82 85 88 83 82 85 88 83 Dewpt 77 77 77 77 77 78 77 77 76 76 76 76 76 77 76 76 PWind dir E E E E E E E E Wind char BZ GN GN BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 B2 B2 B2 SC FW FW CL FW SC B1 B1 B1 PoP 12hr 10 60 60 60 5 30 40 40 Rain shwrs IS IS IS NM NM NM NM SC SC SC SC SC SC Tstms IS IS IS IS $$ PRZ013-162000- Vieques- Including the city of Vieques 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 84 89 92 81 84 89 92 81 84 89 92 Temp 82 86 88 89 86 83 82 82 82 86 88 89 86 83 82 81 81 86 88 89 86 83 Dewpt 76 76 74 74 74 74 75 74 74 75 74 74 74 75 75 75 75 75 75 75 75 75 RH 82 72 63 61 68 74 79 77 77 70 63 61 68 77 79 82 82 70 66 64 70 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 23 20 19 16 16 16 18 16 16 19 16 13 14 14 17 16 14 14 14 13 13 14 Clouds SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC CL CL SC PoP 12hr 20 20 20 20 20 QPF 12hr 0.05 0.07 0.10 0.04 0.02 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H Heat index 88 95 97 97 94 91 89 87 88 94 97 97 94 91 89 87 87 94 97 98 95 90 Max heat 99 102 101 93 98 101 100 92 97 102 101 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 89 81 89 81 89 81 89 Temp 81 85 89 83 81 86 89 84 81 86 89 83 81 86 89 83 Dewpt 76 76 75 75 76 76 75 75 75 75 74 74 75 75 74 74 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 B2 B2 B2 SC FW FW CL FW SC B1 B1 B1 PoP 12hr 10 50 60 60 5 30 40 40 Rain shwrs IS IS IS IS SC NM NM SC SC SC SC SC SC Tstms IS IS IS $$ VIZ001-162000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 87 94 75 81 83 84 87 93 74 80 82 84 87 93 Temp 81 85 87 87 85 83 82 81 81 84 87 87 85 82 81 80 81 84 87 87 85 82 Dewpt 76 75 74 74 74 75 75 75 74 75 74 73 74 75 75 75 75 75 75 75 75 76 RH 85 72 65 65 70 77 79 82 79 74 65 63 70 79 82 85 82 74 68 68 72 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 21 20 18 16 18 19 17 17 21 18 16 13 13 16 18 14 14 16 17 13 14 14 Clouds FW SC SC FW FW SC SC FW SC FW SC CL CL SC SC SC SC SC SC FW FW SC PoP 12hr 20 20 20 20 20 QPF 12hr 0.04 0.07 0.08 0.02 0.02-0.27 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H Heat index 87 93 95 95 93 89 88 86 86 92 94 95 92 89 87 86 86 92 95 96 93 89 Max heat 101 105 103 93 98 105 103 93 100 106 104 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 87 80 87 80 87 80 87 Temp 80 84 87 82 80 84 87 83 81 84 87 83 80 84 87 83 Dewpt 76 76 75 76 76 76 75 75 75 75 74 75 75 75 74 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 B2 B2 B2 SC FW FW CL FW SC B1 B1 SC PoP 12hr 10 60 60 60 5 30 40 40 Rain shwrs IS IS IS NM NM NM NM SC SC SC SC SC IS Tstms IS IS IS IS $$ VIZ002-162000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 AM AST Sun Aug 16 2026 Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26 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 84 88 94 77 80 83 84 88 94 80 84 88 94 Temp 81 85 87 88 86 83 82 81 81 85 87 88 85 83 82 81 81 85 87 88 85 82 Dewpt 77 76 75 75 75 76 76 75 75 75 75 75 75 76 76 76 76 76 76 76 76 77 RH 88 75 68 66 70 80 82 82 82 72 68 66 72 80 82 85 85 75 70 68 75 85 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 20 20 19 18 17 18 16 16 17 17 16 14 14 14 13 13 16 16 14 13 12 Clouds SC SC SC FW CL SC SC FW SC CL CL FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 20 20 20 20 20 QPF 12hr 0.05 0.05 0.07 0.04 0.02-0.24 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 Heat index 88 94 97 98 94 90 89 87 87 94 97 97 94 91 89 86 87 94 98 99 95 90 Max heat 102 107 106 94 100 107 106 94 101 109 108 Heat Y Y Date Wed 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 08/22/26 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 80 88 Temp 80 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83 Dewpt 77 77 76 77 77 77 76 76 75 75 75 75 75 75 75 76 PWind dir E E E E E E E E Wind char GN GN GN BZ BZ BZ BZ BZ Avg clouds SC SC SC SC B2 B2 B1 SC FW FW CL FW SC SC SC SC PoP 12hr 20 50 60 60 5 20 30 30 Rain shwrs IS IS IS SC SC NM NM IS IS IS SC SC IS Tstms IS IS $$