Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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938 FOCA52 TJSJ 280631 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 AM AST Tue Jul 28 2026 PRZ001-282000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 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 92 73 78 82 83 89 92 74 78 82 84 90 92 Temp 79 85 89 90 87 82 80 78 79 85 88 89 87 82 80 79 80 86 89 90 87 82 Dewpt 75 77 76 76 76 76 76 76 76 77 77 77 76 76 76 75 76 76 76 76 76 76 RH 88 77 66 64 70 82 88 94 91 77 70 68 70 82 88 88 88 72 66 64 70 82 Wind dir SE SE SE SE SE E E E E E E E E E E E E E E E E E Wind spd 5 8 13 16 13 8 8 6 8 11 14 17 14 11 9 12 13 13 18 19 14 10 Wind gust 25 28 Clouds SC B1 SC B2 B1 SC SC B1 B1 SC SC SC SC FW FW FW FW FW FW SC SC SC PoP 12hr 60 40 30 5 20 QPF 12hr 0.08-0.79 0.06 0.01-0.63 0.01 0.02 Snow 12hr MM MM MM Rain shwrs SC SC IS NM SC IS IS SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS Obvis H H H H H Heat index 81 95101103 98 89 85 81 83 95101102 97 89 85 82 84 96101102 97 89 Max heat 100 110 110 94 100 111 109 94 101 109 108 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 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 78 89 77 89 77 89 77 89 Temp 78 84 89 81 78 84 89 81 78 85 89 81 78 85 89 82 Dewpt 76 76 76 76 74 76 76 75 75 76 76 76 75 77 70 74 PWind dir E E E E SE E E E Wind char GN GN LT GN LT GN LT GN Avg clouds SC SC SC B1 B1 SC SC SC SC SC B1 SC SC SC SC SC PoP 12hr 20 30 30 20 30 50 30 30 Rain shwrs IS IS IS SC SC SC IS IS IS SC SC SC SC SC SC IS $$ PRZ002-282000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 88 92 66 78 82 75 88 92 67 78 82 75 88 92 Temp 78 83 87 88 85 81 79 78 79 84 87 88 85 81 80 78 79 84 87 88 86 81 Dewpt 74 75 75 75 75 75 75 75 75 76 76 75 75 75 75 75 75 75 75 75 74 74 RH 88 77 68 66 72 82 88 91 88 77 70 66 72 82 85 91 88 74 68 66 68 79 Wind dir E E SE SE SE E E E E E E E E E E E E E E E E E Wind spd 8 10 13 13 12 10 10 10 11 13 16 16 14 13 12 14 14 16 18 17 13 11 Wind gust 18 24 20 20 21 21 24 25 24 24 26 26 26 28 28 23 Clouds B1 B1 SC SC SC B1 B1 B1 B1 B1 SC FW FW SC SC SC SC FW FW SC SC SC PoP 12hr 40 40 40 20 20 QPF 12hr 0.04-0.79 0.08 0.05 0.03 0.02 Snow 12hr MM MM MM Rain shwrs SC SC IS SC IS SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H Heat index 80 91 96 98 94 87 84 80 82 92 97 97 94 87 84 82 84 92 97 97 93 86 Max heat 98 105 104 94 98 106 104 94 98 105 104 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 87 77 87 77 88 77 88 Temp 78 83 87 80 78 83 87 80 78 83 88 81 78 84 88 81 Dewpt 74 74 74 74 74 74 74 74 74 75 75 75 75 75 72 73 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 30 40 40 30 40 40 50 50 Rain shwrs SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC $$ PRZ003-282000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 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 77 88 92 69 77 82 77 87 92 69 78 83 78 88 92 Temp 78 83 87 88 85 81 79 77 78 83 86 87 85 81 79 78 79 84 87 88 85 81 Dewpt 74 75 74 75 74 75 75 74 74 75 75 75 74 74 74 74 75 75 74 73 73 74 RH 88 77 65 66 70 82 88 90 88 77 70 68 70 79 85 88 88 74 65 61 67 79 Wind dir E E E SE SE E E E E E E E E E E E E E E E E NE Wind spd 6 9 12 12 11 9 8 9 9 12 16 16 13 11 11 13 13 14 18 17 13 10 Wind gust 26 24 23 19 24 31 31 27 23 21 26 26 28 36 34 27 20 Clouds SC B1 SC FW FW SC SC SC B1 B1 FW FW FW SC SC FW FW FW FW FW FW FW PoP 12hr 40 40 40 20 5 QPF 12hr 0.01-0.09 0.03-0.08 0.04 0.02 0.01 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS IS SC SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS Obvis H H H H H Heat index 80 90 95 97 93 86 82 81 90 95 96 92 86 83 80 83 91 96 96 92 85 Max heat 99 108 107 93 100 106 106 93 100 106 105 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 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 88 76 87 77 87 77 88 Temp 77 83 88 80 77 83 87 80 77 83 87 80 78 84 88 81 Dewpt 74 73 73 73 73 73 73 73 72 73 73 75 74 75 70 73 PWind dir NE E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds FW SC SC SC SC SC SC FW SC SC SC SC B1 B1 SC SC PoP 12hr 20 30 30 20 30 30 40 40 Rain shwrs IS IS IS IS SC SC IS IS IS IS IS IS SC SC SC IS $$ PRZ004-282000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 87 92 69 74 78 76 86 92 70 75 79 77 87 92 Temp 75 81 86 87 84 78 76 75 76 81 85 86 83 78 77 75 76 82 86 87 84 78 Dewpt 73 75 74 74 74 74 74 74 74 75 75 74 74 74 74 73 74 74 74 73 73 73 RH 94 82 68 65 72 88 94 97 94 82 72 68 74 88 90 94 94 77 68 63 70 85 Wind dir E E SE SE SE SE E E E E E E E E E E E E E E E E Wind spd 4 8 12 13 10 5 5 5 6 11 14 14 12 9 8 10 11 13 16 16 12 6 Clouds SC B1 FW B1 SC SC SC B1 SC SC SC SC SC FW FW FW FW FW FW SC SC FW PoP 12hr 40 40 30 5 20 QPF 12hr 0.03-0.79 0.07 0.03-0.78 0.01 0.02 Snow 12hr MM MM MM Rain shwrs IS SC IS SC SC SC IS SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS Obvis H H H H H Heat index 87 94 95 91 81 87 94 94 90 81 89 94 95 90 81 Max heat 97 106 105 89 99 107 105 91 99 106 104 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 86 73 86 73 86 74 87 Temp 75 81 86 78 74 81 86 78 74 81 86 78 75 82 87 78 Dewpt 73 73 73 73 72 74 73 73 73 74 74 74 73 75 67 72 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW SC SC SC B1 SC SC SC SC SC SC SC SC B1 SC SC PoP 12hr 20 30 30 20 30 50 40 40 Rain shwrs IS IS IS SC SC SC IS IS IS IS SC SC SC SC SC IS $$ PRZ005-282000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 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 92 73 76 82 84 90 92 74 77 82 84 91 92 Temp 77 84 89 90 87 81 78 77 78 85 89 90 87 81 79 78 79 85 90 91 88 81 Dewpt 74 77 77 78 78 77 76 75 75 77 78 78 76 75 75 75 75 76 76 76 76 75 RH 90 80 68 68 75 88 94 94 91 77 70 68 70 82 88 91 88 75 64 62 68 82 Wind dir SE E E E E SE SE E E E E E E E E E E E E E E E Wind spd 5 5 10 14 9 9 8 6 6 9 12 18 17 11 9 10 11 11 17 19 17 11 Wind gust 27 23 34 32 27 32 29 21 Clouds SC SC FW B2 B2 FW FW SC SC FW FW SC SC CL CL CL CL CL CL SC SC FW PoP 12hr 60 20 20 0 10 QPF 12hr 0.06-1.06 0.03 0.01-0.91 0 0.01 Snow 12hr MM MM MM Rain shwrs IS IS NM SC IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS Obvis H H H H H Heat index 94102105 99 87 80 95104104 98 88 82 80 95102104 98 88 Max heat 101 110 110 95 102 115 110 94 101 111 110 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 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 76 90 75 90 75 90 76 90 Temp 77 84 90 80 76 84 90 80 76 84 90 81 77 85 90 81 Dewpt 76 77 77 76 74 76 77 76 74 76 77 76 75 77 71 74 PWind dir E E E E SE E E E Wind char GN BZ GN GN LT GN LT GN Avg clouds FW FW FW SC SC SC SC SC FW FW SC B1 SC SC SC SC PoP 12hr 10 20 10 40 20 60 10 40 Rain shwrs IS IS IS IS IS IS SC SC IS IS IS IS IS IS SC Tstms IS IS $$ PRZ006-282000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 75 85 92 64 73 77 75 84 92 64 73 77 75 86 92 Temp 73 80 84 85 82 77 75 73 74 80 83 84 82 77 75 73 75 81 85 86 83 77 Dewpt 71 73 73 73 73 72 72 72 72 74 74 73 72 72 72 72 72 73 72 71 71 71 RH 93 79 70 67 74 85 90 97 93 82 74 70 72 85 90 97 90 77 65 61 67 82 Wind dir E SE SE SE SE SE E E E E E E E E E E E E E E E NE Wind spd 3 5 10 10 9 5 4 4 4 8 12 13 11 6 5 9 9 11 13 14 12 6 Wind gust 24 23 21 20 29 28 25 20 21 25 35 34 25 Clouds FW SC FW SC B1 FW FW SC SC FW SC B1 B1 CL CL CL CL CL CL SC SC FW PoP 12hr 40 10 40 0 10 QPF 12hr 0.01-0.99 0.00-0.06 0.02-0.91 0 0.00-0.05 Snow 12hr MM MM MM Rain shwrs IS IS SC SC IS IS IS IS IS IS SC SC IS IS IS Tstms IS IS IS IS Obvis H H H H H Heat index 83 90 91 87 83 90 91 86 85 91 91 87 Max heat 98 108 107 88 99 107 105 88 100 107 107 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 85 72 84 72 85 72 85 Temp 73 80 85 76 73 80 84 76 73 80 85 76 73 80 85 77 Dewpt 71 72 72 72 71 72 72 72 71 72 72 72 72 73 66 70 PWind dir E E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW SC SC SC SC FW SC FW FW SC SC SC SC SC SC PoP 12hr 10 20 20 20 20 50 10 20 Rain shwrs IS IS IS IS IS IS IS IS IS SC SC IS IS IS IS $$ PRZ007-282000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 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 88 92 63 76 82 75 88 92 64 76 82 75 89 92 Temp 77 82 87 88 85 80 78 76 77 83 87 88 85 80 78 77 78 84 88 89 86 80 Dewpt 72 73 73 74 74 74 73 72 71 73 74 74 74 73 71 71 71 72 72 71 71 72 RH 85 74 63 63 70 82 85 87 82 72 65 63 70 79 79 82 79 67 59 56 61 77 Wind dir E E SE SE SE E E E E E SE SE SE E E E E E E SE E E Wind spd 4 6 12 10 10 6 6 6 6 10 14 13 13 10 6 8 10 13 16 16 13 9 Wind gust 25 24 23 24 31 29 28 25 24 26 28 35 34 29 21 Clouds SC FW CL FW FW FW FW CL FW FW FW SC SC FW FW CL CL CL CL FW FW CL PoP 12hr 5 5 20 0 5 QPF 12hr 0.00-0.05 0.00-0.05 0.00-0.76 0 0.00-0.05 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H Heat index 88 94 96 92 84 80 88 95 96 92 84 81 80 90 95 95 91 84 Max heat 96 106 105 94 96 106 105 92 97 105 104 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 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 76 88 75 88 75 88 76 89 Temp 77 83 88 79 76 83 88 79 76 83 88 80 77 84 89 80 Dewpt 72 72 72 72 71 71 72 72 70 70 73 73 72 72 71 73 PWind dir NE E E E E E E E Wind char LT GN LT GN LT GN LT GN Avg clouds CL FW SC SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 5 10 5 10 5 30 10 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS SC $$ PRZ008-282000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 88 92 70 74 82 84 89 92 71 75 82 84 90 92 Temp 75 82 87 88 85 79 77 75 76 83 88 89 85 79 77 76 77 84 89 90 86 80 Dewpt 72 74 76 77 77 77 75 74 73 75 77 77 76 75 74 73 73 74 75 76 76 75 RH 90 77 70 70 77 94 94 97 90 77 70 68 75 88 90 90 87 72 64 64 72 85 Wind dir E E E NE E SE E E E E E E E E E E E E E E E E Wind spd 6 4 5 11 6 5 8 8 8 8 9 17 16 11 11 9 9 10 13 17 16 13 Wind gust 23 19 33 31 21 26 31 29 26 Clouds FW FW CL B2 OV SC CL FW FW FW FW B1 B1 FW FW CL CL CL CL SC SC CL PoP 12hr 80 30 40 10 20 QPF 12hr 0.98-1.06 0.02 0.02-0.92 0.01 0.00-0.05 Snow 12hr MM MM MM Rain shwrs IS NM D IS IS IS IS SC SC IS IS IS IS Tstms IS IS IS IS Obvis H H H H H Heat index 89 97101 95 82 90 99101 95 83 91 99102 96 85 Max heat 96 109 108 94 97 109 108 94 97 107 107 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 88 74 88 74 88 74 88 Temp 76 83 88 78 74 82 88 78 75 83 88 79 75 83 88 79 Dewpt 75 76 76 75 73 74 76 76 73 74 77 76 74 75 73 75 PWind dir E E E E E E E E Wind char GN BZ GN GN LT GN GN GN Avg clouds CL CL SC B1 FW FW SC SC CL FW SC B1 SC SC SC B1 PoP 12hr 0 50 5 50 0 60 10 50 Rain shwrs SC SC IS IS SC SC NM NM IS IS IS SC Tstms IS IS IS $$ PRZ009-282000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 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 92 66 72 77 75 85 92 66 73 78 75 87 92 Temp 73 80 84 85 82 76 74 73 74 80 84 85 82 77 75 73 75 81 86 87 84 78 Dewpt 70 73 74 75 75 74 73 71 71 73 75 76 74 73 72 71 71 72 73 73 73 73 RH 90 79 72 72 79 94 97 93 90 79 74 75 77 87 90 93 87 74 65 63 70 85 Wind dir E SE SE SE SE SE E E E E SE E E E E E E E E E E E Wind spd 4 4 8 5 4 4 4 4 4 5 9 9 8 6 5 5 5 8 10 10 10 6 Wind gust 26 23 21 21 29 28 27 23 28 31 31 29 20 Clouds FW FW CL B1 B2 SC CL FW FW CL SC B2 B2 FW FW CL CL CL CL SC SC CL PoP 12hr 60 20 60 5 30 QPF 12hr 0.00-1.06 0.01 0.01-0.92 0 0.05 Snow 12hr MM MM MM Rain shwrs SC NM IS IS NM NM IS IS SC SC Tstms IS IS IS IS Obvis H H H H H Heat index 83 91 94 88 84 93 95 88 86 93 95 90 Max heat 96 110 110 87 97 113 112 87 96 109 108 Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 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 73 85 71 85 72 85 72 86 Temp 73 80 85 76 72 80 85 76 73 80 85 76 73 81 86 77 Dewpt 73 74 74 73 71 72 75 73 71 72 75 74 71 73 69 71 PWind dir E E E E E E E E Wind char LT LT LT LT LT LT LT LT Avg clouds CL FW SC B1 FW FW SC SC CL FW SC B1 SC FW SC B1 PoP 12hr 0 60 5 40 0 60 10 60 Rain shwrs SC SC IS SC SC SC IS IS IS NM NM Tstms IS IS IS IS IS $$ PRZ010-282000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 90 92 68 75 82 77 90 92 69 76 82 79 91 92 Temp 77 84 89 90 86 80 78 76 77 84 89 90 87 80 78 76 77 85 90 91 87 81 Dewpt 73 76 78 78 78 77 76 74 73 76 78 79 78 77 75 74 74 75 76 77 77 76 RH 87 77 70 68 77 91 94 94 87 77 70 70 75 91 91 94 90 72 64 64 72 85 Wind dir E E SE E E SE E E E E E E E E E E E E E E E E Wind spd 6 6 9 8 8 4 8 8 8 8 8 9 10 10 9 9 9 10 10 11 9 9 Wind gust 17 21 20 18 21 21 21 24 25 21 25 21 28 26 26 28 28 26 23 27 Clouds FW CL CL SC B2 SC CL CL FW FW FW B1 B1 FW FW FW FW CL CL SC SC FW PoP 12hr 60 30 50 20 30 QPF 12hr 0.00-1.06 0.01 0.01-0.91 0.00-0.05 0.00-0.06 Snow 12hr MM MM MM Rain shwrs SC D SC IS NM NM IS IS SC SC Tstms IS IS IS IS Obvis H H H H H Heat index 92102105 99 86 93104106 99 87 93102105 99 87 Max heat 99 110 110 94 100 117 116 94 100 115 114 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 90 74 90 75 90 75 90 Temp 76 84 90 80 75 84 90 80 76 84 90 80 76 85 90 80 Dewpt 76 77 77 76 74 75 77 76 73 75 78 77 74 76 74 74 PWind dir E E E E E E E E Wind char GN GN LT LT LT LT LT LT Avg clouds FW FW SC B1 SC FW SC SC CL CL FW B1 SC FW SC B1 PoP 12hr 0 60 5 40 0 50 10 60 Rain shwrs NM NM IS IS SC SC SC IS IS IS NM NM Tstms IS IS IS IS IS IS $$ PRZ011-282000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 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 91 92 74 76 82 84 91 92 75 77 82 84 92 92 Temp 77 85 90 91 88 81 79 77 78 85 90 91 88 82 79 78 79 86 91 92 88 81 Dewpt 74 75 75 76 76 76 75 74 73 74 76 76 76 76 74 72 72 73 73 73 74 75 RH 90 72 62 62 68 85 88 90 85 70 64 62 68 82 85 82 79 65 56 54 63 82 Wind dir E E SE SE SE E E E E E SE SE SE E E E E E E SE E E Wind spd 9 11 16 14 12 9 11 11 11 13 18 18 18 16 12 10 12 18 19 19 19 12 Wind gust 20 24 29 29 27 20 25 25 25 28 34 36 35 33 28 24 27 35 37 36 40 26 Clouds SC FW CL FW FW FW CL CL FW FW CL FW FW FW FW CL CL CL CL FW FW CL PoP 12hr 5 5 5 5 5 QPF 12hr 0.00-0.05 0.01 0.00-0.60 0 0.00-0.05 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS Obvis H H H H H Heat index 93101104 98 88 80 93102104 98 89 81 80 93 99101 97 87 Max heat 98 110 110 96 99 111 110 96 99 109 108 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 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 76 91 75 91 76 91 76 91 Temp 77 85 91 81 76 85 91 81 77 86 91 81 77 86 91 81 Dewpt 75 75 74 75 73 73 74 75 72 71 74 76 74 74 75 75 PWind dir E E E SE E SE E SE Wind char GN GN GN GN GN GN GN GN Avg clouds CL FW FW SC FW FW FW FW CL CL FW SC SC SC SC SC PoP 12hr 0 20 5 10 0 30 10 50 Rain shwrs IS IS IS IS IS IS SC IS IS IS SC SC $$ PRZ012-282000- Culebra- Including the city of Culebra 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 88 92 81 84 88 92 81 84 88 92 Temp 82 85 88 88 87 83 82 81 82 85 88 88 87 84 83 81 82 86 88 88 87 83 Dewpt 76 77 77 77 77 77 77 77 77 78 78 77 77 77 77 77 77 77 77 77 77 77 RH 82 77 70 70 72 82 85 88 85 80 72 70 72 80 82 88 85 75 70 70 72 82 Wind dir E E E SE SE E E E E E E E E E E E E E E E E E Wind spd 16 14 18 17 16 17 17 19 19 20 20 19 20 20 21 23 24 24 21 18 18 19 Clouds SC SC SC SC CL B1 B1 B1 SC SC SC FW FW CL CL SC SC CL CL SC SC SC PoP 12hr 40 40 20 10 20 QPF 12hr 0.05 0.07 0.01 0.01 0.02 Snow 12hr MM MM MM Rain shwrs IS SC IS IS SC SC SC SC IS IS IS IS IS IS IS Obvis H H H H H Heat index 89 96100101 98 93 91 89 90 97100101 98 93 91 89 91 96100101 98 92 Max heat 101 106 105 95 101 106 105 96 100 106 105 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 88 81 88 81 88 81 88 Temp 81 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83 Dewpt 77 77 77 76 76 76 76 76 76 77 77 77 77 77 76 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 30 40 40 30 30 30 40 40 Rain shwrs IS SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC $$ PRZ013-282000- Vieques- Including the city of Vieques 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 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 80 84 89 92 81 84 89 92 Temp 81 85 88 89 87 83 82 80 81 86 88 89 87 84 82 81 82 86 88 89 87 83 Dewpt 75 76 75 75 75 75 76 76 76 77 76 75 75 75 76 76 76 76 76 75 75 75 RH 82 75 66 64 68 77 82 88 85 75 68 64 68 74 82 85 82 72 68 64 68 77 Wind dir E E E SE SE E E E E E E E E E E E E E E E E E Wind spd 16 14 17 14 14 16 17 18 18 19 19 19 20 19 20 21 21 23 21 18 18 19 Wind gust 32 33 Clouds SC B1 FW SC FW B1 B1 B1 B1 SC SC FW FW FW FW SC SC CL CL FW FW FW PoP 12hr 40 40 30 10 20 QPF 12hr 0.03-0.09 0.08 0.03 0.01 0.01 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS Tstms IS Obvis H H H H H Heat index 87 95 99100 97 91 89 87 88 96 99 99 97 92 89 87 89 96 99 99 96 91 Max heat 98 103 103 93 100 104 103 93 98 103 103 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 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 80 89 80 89 80 89 Temp 80 85 89 83 80 85 89 83 81 86 89 83 81 86 89 83 Dewpt 75 75 75 75 75 75 74 74 75 75 75 75 76 76 75 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 B1 B1 B1 B1 SC SC SC SC B1 B1 B1 B1 B1 B1 PoP 12hr 30 40 40 30 40 40 40 40 Rain shwrs IS SC SC SC SC SC SC SC IS SC SC SC SC SC SC SC $$ VIZ001-282000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 87 92 74 80 83 84 87 92 74 80 83 84 87 92 Temp 81 84 86 87 85 82 81 80 81 84 87 87 86 83 82 80 81 84 87 87 85 82 Dewpt 76 76 75 76 76 76 76 76 76 77 75 75 75 76 76 76 76 76 75 75 75 75 RH 85 77 70 70 75 82 85 88 85 80 68 68 70 80 82 88 85 77 68 68 72 79 Wind dir E E SE SE SE E E E E E E E E E E E E E E E E E Wind spd 14 17 18 18 16 16 18 18 19 20 23 21 21 21 23 24 25 25 20 19 19 20 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC CL CL FW FW CL CL FW FW FW PoP 12hr 20 20 10 0 10 QPF 12hr 0.03 0.05 0.02 0 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS Obvis H H H H H Heat index 86 93 96 97 94 90 88 86 87 94 96 97 95 90 88 86 87 93 96 97 94 89 Max heat 100 105 104 95 100 105 104 95 100 105 104 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 87 80 87 80 87 80 87 Temp 80 84 87 82 80 84 87 82 80 84 87 82 80 84 87 82 Dewpt 75 75 75 75 75 75 74 75 75 76 75 76 76 76 75 75 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW SC SC SC B1 SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 30 30 30 20 30 30 30 40 Rain shwrs IS SC SC SC SC SC IS IS IS SC SC SC IS IS SC SC $$ VIZ002-282000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 AM AST Tue Jul 28 2026 Date Tue 07/28/26 Wed 07/29/26 Thu 07/30/26 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 92 80 84 88 92 80 84 88 92 Temp 80 85 87 88 86 83 81 80 81 85 87 88 86 83 82 80 81 85 88 88 86 83 Dewpt 76 77 76 76 76 77 77 77 77 77 76 76 76 76 77 76 76 76 76 76 76 76 RH 88 77 70 68 72 82 88 91 88 77 70 68 72 80 85 88 85 75 68 68 72 80 Wind dir E E E SE E E E E E E E E E E E E E E E E E E Wind spd 13 17 18 19 17 13 16 16 16 19 21 20 20 19 20 21 20 23 23 18 18 18 Wind gust 29 31 33 Clouds SC SC SC SC CL SC SC SC SC SC SC SC SC CL CL FW FW CL CL FW FW FW PoP 12hr 30 30 20 0 10 QPF 12hr 0.03 0.06 0.03 0 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC SC IS IS IS IS IS IS IS IS Obvis H H H H H Heat index 86 95 99 99 96 91 89 86 88 95 99 99 96 91 89 87 88 95 99 99 96 91 Max heat 100 106 105 95 102 106 105 95 100 106 105 Heat Y Y Date Fri 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon 08/03/26 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 82 80 85 88 82 80 85 88 83 80 85 88 83 Dewpt 76 75 75 75 75 76 75 76 76 76 76 76 76 77 72 73 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ GN BZ BZ BZ Avg clouds FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 30 30 30 30 30 20 20 Rain shwrs IS IS IS SC SC SC IS SC SC SC SC SC IS IS IS IS $$