Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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442 FOCA52 TJSJ 212102 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 502 PM AST Mon Jul 21 2025 PRZ001-220800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 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 81 88 91 73 77 82 81 88 91 74 77 82 Temp 80 78 77 78 84 87 88 86 81 79 77 78 84 87 88 85 81 79 78 78 83 Dewpt 75 76 75 75 77 76 76 77 76 76 76 75 77 78 77 77 76 76 76 75 77 RH 85 94 94 91 80 70 68 75 85 91 97 91 80 75 70 77 85 91 94 91 82 Wind dir E E E SE E E E E E E E E E E E E E E E E E Wind spd 8 8 8 9 11 14 14 13 9 9 9 9 12 17 17 14 11 12 12 11 13 Wind gust 19 23 27 27 25 21 24 23 21 Clouds OV OV OV B1 FW FW SC SC CL FW FW FW B1 B1 SC SC B1 B1 B1 B1 B1 PoP 12hr 80 50 50 50 50 QPF 12hr 0.85-1.00 0.12 0.01-0.07 0.02-0.17 0.05-0.21 Snow 12hr MM MM MM Rain shwrs NM D NM SC IS IS SC SC IS IS IS SC SC IS IS SC SC SC SC SC Tstms IS IS Obvis H H H H H H H H Heat index 85 80 93 99100 96 87 82 80 93 99100 96 88 83 81 92 Max heat 98 92 98 109 108 93 99 109 109 93 98 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 86 76 87 76 88 76 87 Temp 87 80 77 82 86 79 76 83 87 80 77 83 88 80 77 83 87 80 Dewpt 77 76 75 76 76 75 74 75 76 75 75 76 78 76 75 77 77 73 PWind dir E E E E E E E E E Wind char GN GN GN LT GN LT GN LT GN Avg clouds B1 B1 OV OV OV B2 B1 B1 B1 B1 B1 B1 B2 B1 SC SC B1 B2 PoP 12hr 70 70 70 40 40 50 60 30 50 Rain shwrs SC NM NM NM NM NM SC SC SC SC SC SC SC NM SC SC SC SC Tstms IS IS IS SC SC IS IS IS $$ PRZ002-220800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 76 82 74 86 90 66 77 82 74 85 90 67 77 82 Temp 80 78 77 78 82 85 86 84 80 79 77 78 82 85 85 84 80 79 77 78 81 Dewpt 75 75 75 75 75 76 76 76 75 76 75 75 76 77 76 77 75 76 75 75 76 RH 85 91 94 91 79 75 72 77 85 91 94 91 82 77 75 80 85 91 94 91 85 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 9 10 11 12 13 14 14 13 11 12 12 13 16 17 16 14 14 17 17 16 16 Wind gust 19 21 23 24 24 24 25 25 27 27 26 29 31 28 26 Clouds OV OV OV B1 FW FW SC SC CL SC SC SC B2 B2 B1 B1 B1 B1 B1 B1 B2 PoP 12hr 80 40 50 50 60 QPF 12hr 0.71-1.00 0.11 0.08 0.17 0.21 Snow 12hr MM MM MM Rain shwrs NM D NM SC IS IS IS SC IS IS SC SC SC SC SC SC SC SC SC NM Tstms IS IS IS Obvis H H H H H H H Heat index 84 81 89 94 95 92 85 82 81 89 95 95 92 86 83 80 81 88 Max heat 99 93 97 105 104 93 98 106 106 94 98 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 76 85 76 85 77 85 77 84 Temp 84 79 76 82 85 79 77 82 85 80 77 82 85 79 77 81 84 79 Dewpt 76 75 74 75 75 74 74 74 75 74 75 75 76 75 75 76 76 73 PWind dir E E E E E E E E E Wind char BZ GN GN GN GN GN GN GN GN Avg clouds B2 B2 OV OV OV B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 70 70 70 40 50 50 60 60 70 Rain shwrs SC NM NM NM NM NM SC SC SC SC SC SC NM NM SC SC NM NM Tstms IS IS IS IS SC SC IS IS IS IS IS IS IS $$ PRZ003-220800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 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 76 86 92 69 77 82 76 86 93 69 77 82 Temp 80 78 76 77 82 85 86 84 80 78 77 78 82 85 86 84 80 79 77 78 82 Dewpt 74 75 75 75 76 76 76 76 75 75 75 75 76 77 76 76 75 76 75 75 76 RH 82 91 97 94 82 75 72 77 85 91 94 91 82 77 72 77 85 91 94 91 82 Wind dir NE NE E E E E E E E E E E E E E E NE NE E E E Wind spd 9 9 9 11 12 14 13 12 10 11 11 11 13 17 16 14 12 12 13 13 16 Wind gust 20 21 25 27 27 25 23 23 24 26 31 32 28 25 26 27 26 28 Clouds B2 B2 OV B2 FW FW FW FW FW FW FW SC B1 B1 SC SC B1 B1 B1 B1 B2 PoP 12hr 70 10 50 50 60 QPF 12hr 0.40-0.76 0.02-0.10 0.02-0.09 0.02-0.17 0.06-0.21 Snow 12hr MM MM MM Rain shwrs SC NM NM NM IS IS SC IS IS IS IS SC SC IS IS SC SC SC SC NM Tstms IS Obvis H H H H H H H H H H H H H H Heat index 84 80 89 95 96 93 85 81 80 90 96 97 93 85 82 81 88 Max heat 98 91 99 108 107 92 100 109 108 92 98 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 76 86 76 86 76 86 76 85 Temp 84 79 76 82 86 79 76 82 86 80 77 82 86 80 77 81 85 79 Dewpt 76 75 74 75 75 74 74 75 75 74 74 75 77 75 75 76 77 72 PWind dir E E E NE E E E E E Wind char BZ GN GN GN GN LT GN GN GN Avg clouds B2 B1 B1 B2 B2 B1 SC SC B1 SC B1 B1 B1 B1 SC B1 B1 B2 PoP 12hr 60 60 60 40 40 40 50 50 60 Rain shwrs SC SC SC NM NM SC IS SC SC IS SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS IS IS IS IS IS $$ PRZ004-220800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 74 77 74 85 91 69 74 77 74 84 91 69 74 78 Temp 77 75 74 75 80 84 85 82 77 76 74 75 80 83 84 82 78 76 74 75 79 Dewpt 73 73 73 73 74 74 74 74 73 74 73 73 75 75 75 75 74 74 73 73 74 RH 87 94 97 94 82 72 70 77 87 94 97 94 85 77 74 79 88 94 97 94 85 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 4 4 5 8 11 13 12 11 5 6 6 6 11 14 13 12 8 8 9 9 12 Wind gust 18 Clouds B2 OV OV B1 FW FW SC SC CL FW FW SC B1 B1 SC SC B1 B1 B1 B1 B2 PoP 12hr 70 30 50 50 50 QPF 12hr 0.57-0.98 0.03-0.12 0.01-0.09 0.02-0.17 0.04-0.21 Snow 12hr MM MM MM Rain shwrs NM NM NM SC IS IS IS SC IS IS IS SC SC IS IS SC SC SC SC SC Tstms IS IS Obvis H H H H H H H H H H H H H H Heat index 85 91 92 88 85 91 92 88 83 Max heat 96 86 96 105 104 87 96 105 104 88 95 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 73 83 74 84 73 84 74 83 Temp 83 76 73 79 83 77 74 80 84 77 74 80 84 77 74 79 83 77 Dewpt 75 73 73 74 73 72 72 73 73 72 73 74 75 74 73 75 75 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT GN Avg clouds B1 B1 B2 B2 B2 B1 SC SC B1 SC SC B1 B1 B1 SC B1 B1 B2 PoP 12hr 60 60 70 40 40 50 50 40 60 Rain shwrs SC SC NM NM NM NM IS SC SC IS SC SC SC SC SC SC SC NM Tstms IS IS IS IS IS SC IS IS IS IS $$ PRZ005-220800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 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 75 82 83 89 93 73 76 82 83 88 92 74 77 82 Temp 79 78 76 77 83 88 89 86 80 78 77 78 83 87 88 85 80 79 77 78 83 Dewpt 75 76 75 74 77 77 77 77 76 76 76 75 77 78 79 77 77 77 76 75 77 RH 88 94 97 90 82 70 68 75 88 94 97 91 82 75 75 77 91 94 97 91 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 13 10 8 8 10 13 17 17 11 9 8 8 11 17 19 19 13 14 12 11 12 Wind gust 26 31 31 21 28 35 34 25 26 24 Clouds B2 OV B2 B1 CL FW SC SC CL CL CL CL FW FW FW FW SC SC SC SC SC PoP 12hr 80 40 5 10 10 QPF 12hr 0.24-1.00 0.08-0.52 0.01 0.00-0.33 0.00-0.15 Snow 12hr MM MM MM Rain shwrs SC D NM SC IS SC SC IS IS IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H H H H H H H H H H H Heat index 84 93101102 97 87 80 93101103 97 87 81 92 Max heat 100 92 100 113 112 92 100 115 113 92 99 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 76 86 75 87 75 88 75 87 Temp 87 80 76 82 86 79 75 82 87 79 76 83 88 79 76 82 87 79 Dewpt 78 76 75 76 78 76 74 76 77 75 75 77 79 77 75 77 79 73 PWind dir E E E E E E E E E Wind char BZ GN BZ GN GN LT GN LT GN Avg clouds SC SC B1 B1 B1 B2 SC SC SC SC SC SC SC SC FW FW SC B1 PoP 12hr 40 40 70 30 20 10 50 5 40 Rain shwrs IS IS SC SC NM NM IS IS IS IS IS IS SC SC IS IS SC SC Tstms IS IS IS SC SC IS IS $$ PRZ006-220800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 62 72 76 74 83 92 63 73 77 74 83 93 64 73 77 Temp 76 74 72 73 79 82 83 81 76 74 73 74 79 82 83 81 76 75 73 74 78 Dewpt 71 72 72 71 73 74 73 73 72 73 72 72 74 74 74 73 73 73 72 72 73 RH 85 93100 93 82 77 72 77 87 97 97 93 85 77 74 77 90 94 97 93 85 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 5 4 4 5 9 11 12 11 5 5 5 4 9 12 13 12 6 6 8 8 10 Wind gust 20 26 26 23 20 29 31 24 23 Clouds B1 B2 B2 B1 CL FW SC SC CL CL CL FW FW FW SC SC FW FW FW FW SC PoP 12hr 60 40 5 10 10 QPF 12hr 0.09-0.92 0.03-0.13 0.01 0.01-0.44 0.00-0.06 Snow 12hr MM MM MM Rain shwrs SC SC NM SC IS SC SC IS IS IS IS IS IS IS IS IS IS Tstms IS Obvis H H H H H H H H H H H H H H H H H Heat index 82 88 89 84 82 88 89 85 81 Max heat 98 84 96 106 105 87 97 108 106 88 96 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 82 72 82 71 82 72 82 72 81 Temp 82 75 72 78 82 75 71 78 82 75 72 78 82 75 72 77 81 75 Dewpt 74 72 72 72 73 72 71 72 72 71 71 73 75 73 72 74 74 70 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT GN Avg clouds SC SC SC SC B1 B1 FW SC SC SC FW FW SC SC FW FW SC B1 PoP 12hr 30 30 60 30 30 5 30 5 50 Rain shwrs IS IS IS IS NM NM IS IS SC SC IS IS SC IS SC SC Tstms IS IS IS SC IS IS $$ PRZ007-220800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 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 75 82 74 87 93 64 76 82 74 88 93 65 77 82 Temp 79 78 76 77 82 86 87 84 80 78 76 77 83 87 88 85 80 79 77 78 83 Dewpt 71 71 71 71 73 74 74 74 72 72 72 71 73 74 74 74 73 72 72 71 73 RH 77 79 85 82 74 68 65 72 77 82 87 82 72 65 63 70 79 79 85 79 72 Wind dir NE NE E E E SE SE E E E E E E E E E E NE E E E Wind spd 6 5 5 8 10 13 13 13 8 5 5 5 9 14 16 13 9 6 8 9 11 Wind gust 19 20 25 28 31 31 23 24 32 35 31 21 21 24 23 26 Clouds SC SC B1 B1 CL FW SC FW CL CL CL FW FW FW SC SC FW FW FW FW SC PoP 12hr 30 20 0 20 20 QPF 12hr 0.07-0.41 0.02-0.18 0 0.00-0.44 0.00-0.06 Snow 12hr MM MM MM Rain shwrs SC SC SC SC IS IS SC IS IS IS IS IS IS IS Tstms IS Obvis H H H H H H H H H H H H H H H H H Heat index 83 88 94 95 91 83 80 89 95 97 93 85 81 80 88 Max heat 99 90 96 106 106 91 97 108 107 92 96 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 87 74 87 75 87 76 85 Temp 87 79 76 82 87 79 75 82 87 79 76 82 87 79 76 81 85 79 Dewpt 74 73 71 72 73 72 71 71 73 72 71 73 75 74 72 73 75 71 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 FW FW SC SC FW FW B1 SC FW FW FW SC FW FW SC B1 PoP 12hr 50 5 40 40 40 0 30 0 50 Rain shwrs IS SC IS SC SC SC SC SC IS IS SC SC Tstms IS IS IS IS IS $$ PRZ008-220800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 74 82 83 87 93 71 75 82 83 86 93 72 76 82 Temp 79 77 75 76 82 86 87 84 79 77 76 77 82 85 86 84 79 78 76 77 82 Dewpt 74 75 74 73 75 75 76 76 75 75 74 74 75 77 77 76 75 76 75 74 75 RH 85 94 97 90 79 70 70 77 88 94 94 90 79 77 75 77 88 94 97 90 79 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 16 12 11 9 11 11 18 17 14 11 9 9 12 17 20 21 18 17 16 13 14 Wind gust 26 25 24 21 31 31 27 23 20 19 23 28 35 35 34 29 31 25 25 Clouds B1 B2 B1 B1 FW CL SC B2 FW CL CL CL CL CL SC SC FW FW FW FW FW PoP 12hr 60 60 5 30 5 QPF 12hr 0.16-0.73 0.12-1.11 0 0.00-0.44 0 Snow 12hr MM MM MM Rain shwrs SC NM SC SC IS SC NM IS IS IS IS IS IS IS Tstms IS IS Obvis H H H H H H H H H H H H H H H Heat index 81 89 96 99 93 82 89 96 98 93 83 88 Max heat 102 91 99 112 111 91 100 113 112 92 99 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 75 86 74 86 74 86 74 85 Temp 86 78 75 81 86 78 74 81 86 78 74 81 86 78 75 81 85 78 Dewpt 77 75 74 74 76 74 73 74 76 75 73 75 77 75 74 75 77 73 PWind dir E E E E E E E E E Wind char BZ GN BZ GN GN GN GN LT GN Avg clouds FW SC SC SC SC B1 SC FW FW SC FW FW SC B1 CL CL SC B1 PoP 12hr 20 10 70 10 40 0 60 0 50 Rain shwrs IS IS IS IS NM NM IS IS SC SC SC SC SC IS Tstms SC SC IS IS IS IS $$ PRZ009-220800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 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 65 72 75 74 84 92 66 72 76 74 84 93 66 73 76 Temp 76 74 72 73 79 83 84 81 76 74 73 74 79 83 84 81 77 75 73 74 79 Dewpt 71 72 71 70 73 73 73 72 72 73 72 70 73 74 74 73 72 73 72 71 73 RH 85 93 97 90 82 72 70 74 87 97 97 87 82 74 72 77 85 94 97 90 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 5 5 4 5 6 9 8 8 6 4 4 4 6 10 9 10 9 8 6 6 8 Wind gust 17 16 28 31 28 20 31 33 28 20 20 18 20 Clouds B1 B1 SC SC CL CL SC B1 FW CL CL CL CL CL B1 B1 FW FW FW FW FW PoP 12hr 40 50 0 40 0 QPF 12hr 0.07-0.34 0.04-1.11 0 0.02-0.56 0 Snow 12hr MM MM MM Rain shwrs SC SC IS SC SC SC SC SC Tstms IS IS Obvis H H H H H H H H H H H H H Heat index 82 89 90 85 83 89 91 86 82 Max heat 97 85 95 108 107 86 95 109 107 87 95 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 83 72 84 70 84 71 83 72 82 Temp 83 75 72 79 84 75 71 78 84 75 72 78 83 76 72 78 82 75 Dewpt 74 72 71 72 74 72 70 72 73 72 71 73 75 73 72 73 75 70 PWind dir E E E E E E E E E Wind char GN LT LT LT GN LT LT LT LT Avg clouds SC SC FW FW SC B1 FW FW SC B1 CL CL SC B1 CL CL SC B1 PoP 12hr 50 0 70 0 60 0 70 0 60 Rain shwrs SC SC NM NM NM NM NM NM NM NM Tstms IS IS SC SC IS IS IS IS IS IS $$ PRZ010-220800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 70 75 82 76 89 93 70 75 82 76 89 93 71 76 82 Temp 80 78 76 77 83 88 89 86 80 78 76 77 83 88 89 86 80 78 76 77 83 Dewpt 74 74 74 72 75 76 77 76 76 75 74 72 75 77 78 77 76 75 74 73 75 RH 82 88 94 85 77 68 68 72 88 91 94 85 77 70 70 75 88 91 94 87 77 Wind dir NE E E E E E E E E E E E E E E E E E E E E Wind spd 9 10 9 8 8 8 9 9 10 9 8 6 8 8 9 9 11 13 12 10 10 Wind gust 23 25 21 26 25 24 23 21 20 20 19 18 23 27 28 26 29 32 25 26 Clouds B1 SC SC SC FW FW SC B1 FW FW CL CL CL CL B1 B1 FW FW FW FW FW PoP 12hr 40 50 10 50 0 QPF 12hr 0.05-0.33 0.05-1.24 0.01 0.00-0.56 0 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS SC D IS SC SC Tstms IS SC Obvis H H H H H H H H H H H H H H Heat index 84 91 99102 96 84 91100103 96 86 91 Max heat 102 90 97 112 111 91 99 114 113 92 98 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 75 89 74 89 74 88 75 87 Temp 88 79 75 83 89 79 75 83 89 79 75 83 88 80 76 82 87 79 Dewpt 77 76 73 74 77 75 73 74 77 75 73 75 78 76 74 75 78 73 PWind dir E E E E E E E E E Wind char GN GN LT LT LT LT LT LT LT Avg clouds SC B1 FW FW SC B1 FW FW SC B1 FW FW SC B1 FW FW SC B1 PoP 12hr 60 0 70 0 60 0 70 0 60 Rain shwrs NM NM NM NM IS NM NM NM NM NM IS Tstms IS IS SC SC IS IS IS IS IS IS $$ PRZ011-220800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 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 75 82 83 91 93 72 76 82 83 91 93 72 76 82 Temp 81 78 76 77 85 90 91 87 81 78 77 78 85 90 91 88 81 79 77 78 85 Dewpt 74 73 72 72 74 76 76 76 76 74 73 72 74 76 77 77 76 74 73 72 74 RH 79 85 87 85 70 64 62 70 85 88 87 82 70 64 64 70 85 85 87 82 70 Wind dir E E E E E SE SE SE E E E E E E SE E E E E E E Wind spd 4 6 5 10 12 17 17 18 14 9 8 5 6 16 20 16 13 8 9 11 13 Wind gust 21 26 34 35 35 33 20 34 39 34 28 20 25 28 Clouds SC B1 B1 SC FW CL FW FW FW CL CL CL FW FW SC SC FW FW FW FW FW PoP 12hr 50 10 5 20 5 QPF 12hr 0.11-0.41 0.01-0.19 0.00-0.06 0.00-0.56 0.01 Snow 12hr MM MM MM Rain shwrs IS SC SC IS IS IS SC IS IS IS IS IS IS IS IS IS IS Obvis H H H H H H H H H H H H H H H H H Heat index 86 92102103 98 87 80 93102105 99 88 80 92 Max heat 99 90 95 109 107 92 96 112 110 91 96 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 75 91 74 91 75 91 76 89 Temp 90 80 76 84 91 80 75 84 91 80 76 84 91 81 77 84 89 80 Dewpt 77 76 72 73 76 76 72 73 76 75 72 74 77 76 74 75 78 73 PWind dir E E E E E E E E E Wind char BZ GN GN LT GN LT GN GN GN Avg clouds SC B1 CL FW SC SC CL FW SC SC FW FW FW SC CL CL FW SC PoP 12hr 60 5 30 30 30 0 20 0 40 Rain shwrs IS NM IS SC SC SC SC SC IS IS SC SC Tstms IS IS IS IS $$ PRZ012-220800- Culebra- Including the city of Culebra 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 83 87 92 80 83 87 91 80 Temp 82 81 80 81 84 86 87 86 82 81 80 81 84 86 87 86 83 82 80 81 84 Dewpt 77 78 77 77 76 77 77 78 77 78 77 77 77 78 78 78 78 78 77 77 77 RH 85 91 91 88 77 75 72 77 85 91 91 88 80 77 75 77 85 88 91 88 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 20 21 21 19 19 19 19 20 21 23 23 23 21 19 20 23 26 26 24 23 Clouds B2 B2 B1 B1 FW FW SC SC FW FW SC FW SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 30 30 40 40 QPF 12hr 0.28-0.34 0.10 0.06 0.16 0.19 Snow 12hr MM MM MM Rain shwrs NM NM SC SC IS IS SC SC IS IS IS IS SC SC SC SC SC SC SC SC SC Tstms IS Obvis H H H H H H H H Heat index 91 89 85 87 93 98 99 97 91 90 87 88 95 99100 98 92 90 87 88 93 Max heat 102 93 98 106 106 95 100 108 106 96 99 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 80 88 80 87 80 87 80 86 Temp 86 82 80 85 88 83 80 84 87 82 80 84 87 82 80 84 86 82 Dewpt 77 77 76 76 77 76 75 75 77 76 76 77 78 77 77 77 78 76 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B2 OV OV B2 B1 SC SC B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 PoP 12hr 70 70 60 30 40 40 50 50 50 Rain shwrs SC NM NM NM NM IS IS SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS IS $$ PRZ013-220800- Vieques- Including the city of Vieques 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 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 76 79 82 83 87 90 79 83 87 90 79 Temp 82 80 79 80 84 86 87 85 82 80 79 80 84 86 87 85 82 81 79 80 83 Dewpt 75 76 76 76 76 76 75 76 76 76 75 76 76 76 76 77 76 76 76 76 76 RH 79 88 91 88 77 72 68 75 82 88 88 88 77 72 70 77 82 85 91 88 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 17 19 20 20 19 19 18 19 20 21 21 23 23 21 19 19 23 26 26 24 21 Wind gust 31 Clouds B2 B2 B2 B1 FW FW FW FW FW SC SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 60 20 30 40 40 QPF 12hr 0.31-0.51 0.06 0.04-0.09 0.11-0.17 0.17 Snow 12hr MM MM MM Rain shwrs NM NM SC SC IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC IS Obvis H H H H H H H H H H Heat index 88 85 82 84 92 96 96 95 89 86 83 85 93 97 97 95 89 87 84 85 92 Max heat 98 92 95 102 100 91 97 103 103 92 96 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 79 88 79 87 79 87 79 86 Temp 86 81 79 85 88 82 79 84 87 81 79 84 87 81 79 83 86 81 Dewpt 75 75 75 75 75 74 75 75 74 75 75 76 76 76 76 76 76 75 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 OV B2 B1 B2 B1 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 PoP 12hr 70 70 60 40 20 50 50 60 60 Rain shwrs SC NM NM NM SC SC SC SC IS IS IS SC SC SC SC SC NM NM Tstms IS IS IS IS SC IS IS IS IS IS $$ VIZ001-220800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 79 82 83 85 92 72 79 82 83 85 92 72 79 82 Temp 81 80 79 80 83 85 85 84 81 80 79 80 83 85 85 84 81 80 79 80 82 Dewpt 76 77 77 76 76 76 76 77 76 77 77 76 76 77 77 77 76 77 76 76 76 RH 85 91 94 88 80 75 75 80 85 91 94 88 80 77 77 80 85 91 91 88 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 21 23 21 19 20 19 19 21 23 23 23 24 23 20 21 24 26 27 24 23 Clouds B2 B1 B1 B1 FW CL SC FW SC FW FW FW SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 60 20 30 40 40 QPF 12hr 0.25 0.04-0.09 0.04-0.09 0.06-0.17 0.18 Snow 12hr MM MM MM Rain shwrs NM SC SC SC IS IS SC IS IS IS IS SC SC SC SC SC SC SC SC SC Obvis H H H H H H H H H H H H Heat index 87 86 83 84 91 94 95 93 88 86 84 85 91 94 95 94 88 86 84 85 90 Max heat 101 94 100 107 107 94 99 108 107 96 100 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 84 79 86 79 84 79 86 79 84 Temp 84 81 79 83 86 81 79 82 84 80 79 83 86 81 79 82 84 81 Dewpt 76 76 75 75 75 75 75 75 75 75 76 76 76 76 77 77 76 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B1 B1 B2 B2 B2 B1 SC SC SC SC B1 SC SC SC SC SC B1 B1 PoP 12hr 60 60 60 20 30 30 30 30 40 Rain shwrs SC SC NM NM SC IS IS IS IS SC SC SC IS IS SC SC SC SC Tstms IS IS IS IS IS SC $$ VIZ002-220800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 502 PM AST Mon Jul 21 2025 Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu 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 76 79 82 83 86 93 76 79 82 83 86 93 76 79 82 Temp 82 80 79 80 83 86 86 85 82 80 79 80 84 86 86 85 82 81 79 80 83 Dewpt 76 77 76 76 76 76 76 76 76 76 76 76 77 77 77 77 76 77 76 76 76 RH 82 91 91 88 80 72 72 75 82 88 91 88 80 75 75 77 82 88 91 88 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 16 19 19 18 18 19 18 18 20 20 20 20 21 23 21 21 24 24 24 23 23 Wind gust 31 34 35 Clouds B2 B2 B1 B1 FW FW FW FW SC FW FW FW SC SC B1 B1 B2 B2 B2 B2 SC PoP 12hr 60 20 20 50 50 QPF 12hr 0.28 0.02-0.07 0.04 0.06-0.18 0.21 Snow 12hr MM MM MM Rain shwrs NM NM SC SC IS IS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC Obvis H H H H H H H H H H H Heat index 89 86 83 84 92 96 97 94 89 86 84 85 93 97 97 95 89 87 84 85 91 Max heat 102 93 99 107 106 92 98 108 106 93 99 Date 07/24 Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 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 79 88 79 87 79 87 79 86 Temp 85 81 79 84 88 82 79 84 87 81 79 84 87 81 79 83 86 81 Dewpt 77 75 75 75 76 75 75 75 76 75 76 76 77 76 76 77 76 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 B2 B2 B1 B1 SC SC FW SC SC SC SC SC SC SC B1 B2 PoP 12hr 60 60 60 10 30 20 30 30 60 Rain shwrs SC NM NM NM SC NM IS IS IS IS IS IS IS SC SC SC NM NM Tstms IS IS IS IS SC SC IS IS $$