Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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875 FOCA52 TJSJ 191831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Wed Aug 19 2026 PRZ001-200800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 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 78 82 84 91 94 73 78 82 84 90 93 72 78 82 Temp 87 82 81 79 80 86 90 91 87 82 80 79 79 85 89 90 86 82 80 79 79 85 Dewpt 78 78 77 77 76 77 75 75 75 75 75 74 74 75 75 75 75 76 76 75 75 76 RH 75 88 88 94 88 75 62 60 68 79 85 85 85 72 64 62 70 82 88 88 88 75 Wind dir SE SE SE E SE E E E E E E E E E E E E E E E E E Wind spd 12 8 8 6 9 11 13 16 14 9 9 8 6 11 14 16 13 9 8 8 8 8 Wind gust 25 26 18 Clouds OV B1 SC B1 SC CL FW FW SC CL CL FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 40 30 5 30 30 QPF 12hr 0.07 0.03 0.01 0.07 0.05 Snow 12hr MM MM MM Rain shwrs NM SC IS SC SC IS IS SC IS IS IS IS SC SC IS IS IS Tstms IS Obvis H H H H H H H H H H H H H Heat index 99 90 86 83 83 97101102 97 89 85 81 82 94 99102 96 89 84 81 81 95 Max heat 111 97 105 112 110 94 100 109 108 93 100 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 78 90 78 91 78 90 78 90 Temp 90 82 79 85 90 82 79 86 91 82 79 86 90 82 79 85 90 82 Dewpt 75 76 75 76 77 76 76 77 77 77 76 77 78 77 74 73 71 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN LT GN Avg clouds SC B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC B1 B1 SC SC PoP 12hr 50 50 40 40 30 20 40 40 20 Rain shwrs IS SC SC SC SC SC SC SC IS IS IS IS IS SC SC SC IS IS $$ PRZ002-200800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 78 83 75 88 94 67 78 82 75 88 94 66 77 82 Temp 85 82 80 79 79 84 87 88 85 82 80 79 79 84 87 88 85 81 79 78 78 84 Dewpt 76 76 76 76 75 75 74 74 73 74 73 73 73 73 73 74 74 74 74 74 74 74 RH 75 82 88 91 88 74 65 63 67 77 79 82 82 70 63 63 70 79 85 88 88 72 Wind dir SE E E E E E E E E E E E E E E E E NE E E E E Wind spd 9 8 11 11 10 11 13 13 14 11 11 10 10 13 13 13 12 11 10 12 9 11 Wind gust 19 23 21 20 24 21 21 20 21 21 20 24 19 Clouds OV B1 SC B1 B1 CL SC SC SC CL CL SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 20 5 30 30 QPF 12hr 0.09 0.04 0.02 0.08 0.07 Snow 12hr MM MM MM Rain shwrs NM SC SC SC SC IS IS IS IS IS IS IS IS IS SC SC SC SC IS Tstms IS Obvis H H H H H H H H H H H H Heat index 94 88 85 83 83 92 96 97 92 87 84 82 82 91 95 96 92 86 83 80 81 91 Max heat 108 96 100 105 105 93 98 105 103 92 98 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 78 88 78 88 78 88 78 88 Temp 88 81 78 84 88 81 79 84 88 81 79 84 88 81 79 84 88 81 Dewpt 74 74 74 75 75 75 75 75 75 75 75 76 76 75 74 74 73 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC B1 B1 B1 B1 SC B1 B1 B1 SC SC SC B1 B1 B1 B1 SC B1 PoP 12hr 50 50 40 50 50 30 40 40 40 Rain shwrs SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC SC SC $$ PRZ003-200800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 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 82 79 89 94 69 77 83 79 89 94 69 77 82 Temp 85 81 80 79 79 85 88 89 85 81 80 78 79 85 88 89 85 81 79 78 78 84 Dewpt 76 76 76 76 76 76 75 74 74 74 74 73 73 73 73 73 73 74 74 74 73 74 RH 75 85 88 91 91 75 66 61 70 79 82 85 82 67 61 59 67 79 85 88 85 72 Wind dir SE E E E E E E E E E E E E E E E E NE NE NE NE E Wind spd 8 6 9 10 10 11 13 13 14 10 10 9 10 13 14 14 12 9 8 10 9 9 Wind gust 20 20 23 27 25 27 21 21 20 20 25 29 27 24 21 19 Clouds B2 SC SC SC B1 CL SC CL FW CL CL FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 40 10 5 30 30 QPF 12hr 0.02-0.08 0.01 0.01 0.03-0.08 0.04 Snow 12hr MM MM MM Rain shwrs NM IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS Tstms IS Obvis H H H H H H H H H H H H H Heat index 94 87 85 82 83 93 97 98 93 86 83 81 81 92 96 98 93 86 83 80 80 91 Max heat 108 95 103 108 108 94 100 107 106 92 100 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 89 77 89 78 88 78 88 Temp 88 81 78 84 89 81 78 85 89 81 78 84 88 81 79 84 88 81 Dewpt 74 74 74 75 75 75 75 75 76 75 74 74 74 75 73 72 71 72 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN LT GN Avg clouds SC B1 SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 40 30 10 10 20 5 30 30 20 Rain shwrs IS SC SC SC IS IS IS IS IS IS IS IS IS IS SC IS IS IS $$ PRZ004-200800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 75 79 77 88 94 69 74 78 77 88 94 69 74 78 Temp 83 79 77 76 76 83 87 88 84 79 77 75 76 83 87 88 83 79 77 75 75 82 Dewpt 75 75 75 75 74 75 73 73 72 73 73 72 72 73 72 72 72 73 73 73 72 74 RH 77 88 94 97 94 77 63 61 67 82 87 90 87 72 61 59 70 82 87 94 90 77 Wind dir SE SE SE E E E E E E E E E E E E E E NE NE E E E Wind spd 9 4 5 6 6 10 12 12 12 6 6 5 5 11 12 12 11 5 4 5 5 6 Clouds OV B1 SC B1 B1 CL SC FW SC CL CL FW FW FW FW SC SC SC SC SC SC FW PoP 12hr 40 20 5 30 30 QPF 12hr 0.04-0.09 0.02 0.01 0.08 0.04 Snow 12hr MM MM MM Rain shwrs NM SC IS SC SC IS IS IS IS SC SC SC SC IS IS IS Tstms IS Obvis H H H H H H H H H H H Heat index 91 82 90 94 95 89 81 88 93 95 89 81 88 Max heat 107 92 103 107 106 89 99 106 105 89 99 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 74 87 75 88 75 88 75 87 Temp 87 79 75 82 87 79 76 83 88 79 76 83 88 79 76 83 87 79 Dewpt 72 73 73 74 74 74 73 75 74 74 74 75 75 74 72 72 69 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN GN LT GN Avg clouds SC B1 B1 B1 SC SC SC SC SC SC FW SC SC SC B1 SC SC SC PoP 12hr 40 40 30 30 20 20 40 40 40 Rain shwrs SC SC SC SC IS IS IS IS IS IS IS IS IS IS SC SC IS IS $$ PRZ005-200800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 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 82 84 91 94 73 76 82 84 90 94 73 76 82 Temp 86 81 79 77 78 85 90 91 86 81 79 77 77 85 89 90 86 81 79 77 77 85 Dewpt 79 78 77 76 75 77 77 76 76 75 75 74 73 75 76 76 76 76 76 75 74 76 RH 80 91 94 97 91 77 66 62 72 82 88 90 87 72 66 64 72 85 91 94 90 75 Wind dir E SE SE SE SE E E E E E E E E E E NE NE E E E E E Wind spd 8 6 6 5 9 9 12 18 17 12 9 8 5 10 16 19 17 11 10 8 8 8 Wind gust 20 34 33 24 26 33 31 21 21 Clouds OV B1 FW B1 FW FW FW FW SC CL CL FW FW CL CL SC SC SC SC SC SC FW PoP 12hr 30 20 0 20 20 QPF 12hr 0.04 0.02-0.20 0.01 0.04 0.02 Snow 12hr MM MM MM Rain shwrs NM SC IS SC IS IS IS IS IS IS IS IS Tstms IS Obvis H H H H H H H H H H H H H Heat index 99 87 81 97103103 97 86 80 93101102 96 86 80 94 Max heat 112 95 105 114 112 93 100 114 112 93 102 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 76 90 76 90 76 90 76 90 Temp 90 81 77 85 90 81 77 85 90 81 77 85 90 81 77 85 90 81 Dewpt 76 76 75 76 78 77 75 77 78 78 76 78 79 78 73 73 72 73 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ GN BZ GN BZ Avg clouds SC SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 30 30 20 10 10 0 30 30 10 Rain shwrs IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS $$ PRZ006-200800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 73 78 75 86 93 63 72 77 75 86 94 63 72 77 Temp 81 77 75 74 74 81 85 86 82 77 75 73 73 80 85 86 82 77 75 73 74 80 Dewpt 75 74 74 73 73 74 72 70 71 71 72 71 71 71 71 70 71 72 72 72 71 72 RH 82 90 97 97 97 79 65 59 69 82 90 93 93 74 63 59 69 85 90 97 90 77 Wind dir SE SE E E E E E E E E E E E E E E E NE NE E E E Wind spd 8 4 4 4 5 9 11 11 11 6 5 4 5 9 11 11 11 5 4 3 4 5 Wind gust 20 25 24 24 28 27 23 Clouds B2 SC FW SC FW CL FW FW SC CL CL FW FW CL CL SC SC SC SC SC SC FW PoP 12hr 30 20 0 20 10 QPF 12hr 0.03 0.00-0.22 0 0.02-0.07 0.02 Snow 12hr MM MM MM Rain shwrs NM IS IS IS IS IS IS IS IS IS IS IS Tstms IS Obvis H H H H H H H H H H H H H H Heat index 86 86 91 91 86 84 90 91 86 84 Max heat 109 90 101 108 106 88 97 106 105 87 98 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 72 85 73 86 73 85 73 85 Temp 85 77 73 80 85 77 74 81 86 77 74 80 85 77 74 80 85 77 Dewpt 71 72 72 73 73 73 73 73 73 73 73 73 74 73 70 70 67 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC FW FW SC FW SC SC FW FW SC SC SC SC SC SC PoP 12hr 20 10 5 5 20 0 20 20 20 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS $$ PRZ007-200800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 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 82 75 89 94 62 75 82 75 90 94 63 76 82 Temp 85 80 79 77 78 84 88 89 85 80 78 76 77 84 89 90 86 80 78 76 77 84 Dewpt 76 75 74 73 73 74 74 72 73 72 71 70 70 71 72 72 73 73 72 71 71 71 RH 75 85 85 87 85 72 63 57 67 77 79 82 79 65 57 56 65 79 82 85 82 65 Wind dir SE E E E E E SE SE SE E E E E E E E E E NE NE NE E Wind spd 8 4 6 6 9 11 13 12 11 10 6 5 6 8 14 14 11 8 4 4 6 8 Wind gust 19 20 25 27 27 25 27 21 31 32 27 20 20 Clouds B2 SC CL SC FW CL CL SC SC CL CL FW FW CL CL SC SC FW FW SC SC FW PoP 12hr 10 10 0 5 5 QPF 12hr 0.01 0.00-0.26 0.01 0.01-0.07 0.01 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS IS IS IS IS IS IS Tstms IS Obvis H H H H H H H H H H H H H H Heat index 93 85 82 91 97 97 92 84 80 89 96 98 93 84 80 89 Max heat 109 94 99 108 108 90 96 109 107 92 97 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 76 89 76 89 76 89 76 88 Temp 89 80 77 84 89 80 77 84 89 80 77 84 89 80 77 84 88 80 Dewpt 73 73 71 72 74 74 72 73 75 74 72 71 74 74 71 71 71 72 PWind dir E E E E E E E E E Wind char GN LT GN LT GN GN GN LT GN Avg clouds SC SC FW FW FW FW FW FW SC SC FW FW SC SC SC SC SC SC PoP 12hr 10 0 0 0 10 0 20 10 30 Rain shwrs IS IS IS IS IS IS IS IS SC IS $$ PRZ008-200800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 74 82 84 89 94 70 74 82 84 88 94 70 75 82 Temp 84 79 77 75 76 83 88 89 84 79 77 75 75 83 87 88 84 79 77 76 76 83 Dewpt 78 77 77 75 74 76 76 76 76 75 74 72 71 73 75 75 75 75 75 74 73 74 RH 82 94100100 94 80 68 66 77 88 90 90 87 72 68 66 74 88 94 94 90 74 Wind dir NE SE SE E E E E NE E E E E E E E NE NE E E E E E Wind spd 3 4 4 5 6 8 9 17 17 13 10 9 8 9 13 18 17 14 12 10 8 10 Wind gust 19 33 33 25 20 25 33 29 25 23 20 Clouds OV B1 FW SC CL FW CL FW B1 CL CL FW FW CL CL SC SC SC SC FW FW FW PoP 12hr 40 30 0 20 5 QPF 12hr 0.04 0.02-0.23 0.01 0.02-0.13 0.01 Snow 12hr MM MM MM Rain shwrs NM SC SC IS SC IS IS IS IS Tstms IS Obvis H H H H H H H H H H H H Heat index 94 81 92 99100 93 81 89 97 99 92 82 90 Max heat 112 94 100 112 110 92 96 110 109 91 99 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 74 88 75 89 75 88 75 88 Temp 88 79 75 83 88 79 75 83 89 79 76 83 88 79 76 83 88 79 Dewpt 76 76 73 75 77 76 74 76 77 77 75 76 78 77 73 74 73 73 PWind dir E E E E E E E E E Wind char BZ GN GN GN BZ GN BZ GN BZ Avg clouds SC B1 SC SC SC SC SC FW SC B1 SC SC SC SC FW SC SC SC PoP 12hr 50 20 40 10 50 10 40 10 20 Rain shwrs SC SC IS IS IS SC IS IS SC SC IS IS SC SC IS IS IS IS Tstms IS IS IS IS $$ PRZ009-200800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 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 72 77 75 87 94 65 71 76 75 87 94 65 72 76 Temp 81 77 75 73 74 82 86 87 82 77 74 72 73 81 86 87 82 77 75 73 73 80 Dewpt 76 75 74 73 72 74 74 72 73 72 71 70 69 71 72 72 73 73 72 71 71 72 RH 85 94 97100 93 77 68 61 74 85 90 93 87 72 63 61 74 87 90 93 93 77 Wind dir SE SE SE E E E E E E E E E E E E E E E NE E E E Wind spd 3 3 4 4 4 6 8 6 8 6 5 4 4 5 8 8 9 6 5 4 4 5 Wind gust 23 27 25 23 25 29 28 Clouds B2 SC CL SC FW CL CL B1 B1 CL CL FW FW CL CL SC SC FW FW FW FW FW PoP 12hr 20 50 0 30 5 QPF 12hr 0.02 0.04-0.34 0 0.02-0.20 0.01 Snow 12hr MM MM MM Rain shwrs NM IS IS SC SC IS IS IS IS Tstms IS Obvis H H H H H H H H H H H H H Heat index 87 87 94 94 87 84 92 94 87 84 Max heat 112 91 100 112 109 87 96 109 107 87 97 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 86 72 86 72 86 72 86 Temp 86 76 73 81 86 77 73 81 86 77 73 81 86 77 73 81 86 77 Dewpt 73 73 71 72 75 74 72 73 75 74 72 74 76 74 70 71 70 71 PWind dir E E E E E E E E E Wind char LT LT LT LT GN LT GN LT LT Avg clouds SC SC FW FW SC SC FW FW SC B1 FW FW SC B1 SC SC SC B1 PoP 12hr 50 0 20 0 50 5 50 10 50 Rain shwrs SC SC IS IS IS IS SC SC IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ010-200800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 75 82 78 91 94 68 74 82 78 91 94 68 75 82 Temp 86 80 78 76 77 85 90 91 86 80 78 75 76 85 90 91 86 80 78 76 77 85 Dewpt 78 78 77 75 74 77 77 77 77 76 74 73 71 74 75 76 77 76 75 74 73 75 RH 77 94 97 97 90 77 66 64 75 88 88 94 85 70 62 62 75 88 91 94 87 72 Wind dir NE E E E E E E E E E E E E E E E E E NE NE E E Wind spd 6 3 5 6 6 8 6 10 9 10 9 8 6 5 6 6 8 8 10 8 6 8 Wind gust 17 17 20 25 26 24 20 23 20 28 23 25 20 19 23 23 20 23 24 19 19 Clouds B2 SC FW SC FW FW FW SC B1 FW CL FW FW CL CL B1 B1 SC SC FW FW FW PoP 12hr 20 50 5 40 5 QPF 12hr 0.02 0.03-0.32 0.01 0.03-0.23 0.01 Snow 12hr MM MM MM Rain shwrs NM IS IS IS SC IS SC SC IS IS Tstms IS Obvis H H H H H H H H H H H H H Heat index 98 86 96104105 97 85 92102104 97 86 93 Max heat 112 93 103 114 112 91 101 114 112 91 103 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 75 91 75 91 75 91 75 91 Temp 91 80 76 85 91 80 76 85 91 81 76 85 91 80 76 85 91 80 Dewpt 77 76 74 75 78 77 74 76 78 77 75 77 79 77 73 73 73 73 PWind dir E E E E E E E E E Wind char GN LT LT LT GN GN GN GN LT Avg clouds SC B1 SC SC SC SC SC FW SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 50 20 30 10 50 20 50 10 50 Rain shwrs SC SC IS IS SC IS IS IS SC IS IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ011-200800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 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 77 82 84 93 94 72 76 82 84 93 94 73 75 82 Temp 87 82 80 78 78 87 92 93 87 81 79 77 77 86 92 93 87 81 79 76 77 86 Dewpt 78 78 77 75 74 76 77 76 76 76 74 72 71 72 75 76 76 76 75 73 72 73 RH 75 88 91 91 88 70 62 58 70 85 85 85 82 63 58 58 70 85 88 90 85 65 Wind dir SE E E E E E SE SE E E E E E E E SE SE E NE NE NE E Wind spd 11 8 10 11 12 14 16 16 12 18 12 10 8 10 14 14 6 10 6 3 6 11 Wind gust 23 23 25 26 31 32 32 26 37 29 24 21 33 34 21 23 24 Clouds B1 SC CL SC SC CL CL FW SC FW CL FW FW CL CL SC SC FW FW FW FW FW PoP 12hr 10 20 5 10 5 QPF 12hr 0.01 0.00-0.19 0.01 0.01-0.14 0.01 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS IS IS IS IS IS Tstms IS Obvis H H H H H H H H H H H H H H Heat index 101 90 83 97106106 98 88 80 93103106 99 88 80 93 Max heat 112 93 100 112 110 91 96 110 110 92 97 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 93 76 93 76 93 76 92 76 92 Temp 93 81 76 86 93 81 77 86 93 82 77 86 92 82 77 86 92 82 Dewpt 76 76 73 74 77 77 74 75 78 76 73 73 76 75 72 72 73 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN BZ GN GN Avg clouds SC SC FW FW FW FW FW FW FW SC FW FW SC SC SC SC SC B1 PoP 12hr 20 0 0 0 10 0 30 10 50 Rain shwrs IS IS IS IS IS IS IS IS SC IS IS IS SC SC Tstms IS IS $$ PRZ012-200800- Culebra- Including the city of Culebra 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 84 88 94 82 84 88 94 81 Temp 86 84 83 82 82 85 88 88 86 84 83 82 82 85 88 88 86 83 82 81 82 85 Dewpt 78 78 78 77 76 77 76 76 76 75 75 75 75 76 76 76 76 76 76 76 75 76 RH 77 82 85 85 82 77 68 68 72 74 77 79 79 75 68 68 72 80 82 85 79 75 Wind dir SE E E E E E E E E E E E E E E E E E E E E E Wind spd 13 16 21 19 19 18 17 16 18 18 18 18 18 19 17 16 17 18 19 19 16 17 Clouds B2 B2 SC SC SC CL SC SC SC CL CL SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 30 20 30 30 QPF 12hr 0.06 0.04 0.03 0.11 0.07 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS SC Tstms IS Obvis H H H H H H H H H H H H H Heat index 98 94 92 89 90 96 99 99 96 92 90 88 89 95 98 99 96 92 90 87 88 95 Max heat 109 99 102 107 106 96 102 107 106 95 100 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 81 88 81 88 81 88 81 88 Temp 88 84 81 85 88 84 82 85 88 84 82 85 88 84 82 85 88 84 Dewpt 76 76 76 77 77 77 77 77 77 77 77 78 78 77 75 75 73 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B1 SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC B1 PoP 12hr 40 30 20 40 40 20 30 20 40 Rain shwrs SC SC SC SC IS IS IS SC SC SC IS IS SC SC IS IS SC SC $$ PRZ013-200800- Vieques- Including the city of Vieques 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 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 81 84 89 93 81 Temp 87 84 82 81 82 86 88 89 87 84 83 82 82 86 88 89 86 83 82 81 81 86 Dewpt 75 76 76 76 75 76 74 74 74 74 74 74 74 74 73 74 74 74 75 74 74 75 RH 68 77 82 85 79 72 63 61 65 72 74 77 77 68 61 61 68 74 79 79 79 70 Wind dir SE E E E E E E E E E E E E E E E E NE E E E E Wind spd 12 14 19 18 18 17 16 17 18 18 18 18 18 19 17 16 17 18 18 19 16 17 Clouds B2 B2 SC SC SC CL SC FW SC CL CL FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 50 10 10 20 30 QPF 12hr 0.08 0.02 0.03 0.06 0.07 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS SC SC SC Tstms IS Obvis H H H H H H H H H H H H H H Heat index 96 92 90 88 88 95 97 98 95 91 89 87 88 94 97 98 94 90 88 87 87 94 Max heat 103 94 99 103 102 93 98 103 102 92 98 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 81 89 81 89 81 89 81 89 Temp 89 83 81 86 89 84 81 86 89 83 81 86 89 84 82 86 89 84 Dewpt 74 74 75 76 75 75 76 76 75 76 76 76 75 76 75 75 73 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC B1 B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC SC SC B1 PoP 12hr 40 40 20 50 50 30 30 20 40 Rain shwrs SC SC SC SC IS IS IS SC SC IS IS IS SC IS IS IS SC SC $$ VIZ001-200800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 80 83 84 87 94 75 81 83 84 87 94 74 80 82 Temp 85 83 82 81 81 85 87 87 85 83 82 81 81 85 87 87 85 83 82 80 81 84 Dewpt 76 76 77 76 76 75 74 74 74 74 74 74 74 74 74 74 74 75 75 75 74 75 RH 75 80 85 85 85 72 65 65 70 74 77 79 79 70 65 65 70 77 79 85 79 74 Wind dir SE E E E E E E E E E E E E E E E E E E E E E Wind spd 13 17 21 20 19 18 17 18 18 19 18 19 19 18 18 17 17 18 21 18 17 18 Clouds B1 B1 SC FW CL CL SC FW SC CL CL FW FW SC SC FW FW FW FW SC SC SC PoP 12hr 40 10 20 20 30 QPF 12hr 0.04 0.01 0.03 0.06 0.06 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS SC Tstms IS Obvis H H H H H H H H H H H H H H Heat index 94 90 89 86 87 93 96 95 92 89 88 86 87 92 95 95 93 89 87 85 86 92 Max heat 107 97 100 106 105 94 99 106 105 94 100 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 80 87 81 87 80 87 81 87 Temp 87 83 81 85 87 83 81 85 87 83 81 85 87 83 81 85 87 83 Dewpt 74 75 75 76 75 76 76 76 75 76 76 77 75 76 75 74 73 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 30 30 20 30 30 10 30 20 30 Rain shwrs SC SC SC SC IS IS IS IS SC IS IS IS SC SC IS IS IS IS $$ VIZ002-200800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Wed Aug 19 2026 Date 08/19/26 Thu 08/20/26 Fri 08/21/26 Sat 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 81 84 88 94 80 Temp 86 83 82 81 81 85 88 88 86 83 82 81 82 85 88 88 86 83 82 81 81 85 Dewpt 77 77 77 77 76 76 75 75 75 75 75 75 75 75 75 75 75 76 76 75 75 75 RH 75 82 85 88 85 75 66 66 70 77 79 82 79 72 66 66 70 80 82 82 82 72 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 18 18 17 18 17 18 17 18 17 17 17 19 17 17 18 14 19 17 14 17 Wind gust 25 Clouds B1 SC SC CL CL CL SC FW SC CL CL FW FW SC SC SC SC FW FW SC SC B1 PoP 12hr 30 10 10 10 40 QPF 12hr 0.02 0.01 0.02 0.05 0.07 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS IS IS IS IS IS IS IS IS SC Tstms IS Obvis H H H H H H H H H H H H H H Heat index 97 92 91 88 88 95 98 98 95 91 89 87 88 94 97 98 95 90 88 86 87 94 Max heat 109 97 102 109 106 94 100 109 107 94 100 Date 08/22 Sun 08/23/26 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 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 81 88 80 88 81 88 Temp 88 83 81 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83 Dewpt 75 76 76 76 76 77 76 77 76 77 77 77 77 77 75 74 72 73 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 SC SC SC SC SC SC SC SC SC FW FW SC SC SC SC SC SC PoP 12hr 40 20 20 30 30 10 30 20 20 Rain shwrs SC IS IS IS IS IS IS IS SC IS IS IS IS IS IS IS IS $$