Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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587 FOCA52 TJSJ 101831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Mon Aug 10 2026 PRZ001-110800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 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 78 82 82 87 91 73 77 82 83 91 93 73 78 82 Temp 86 82 80 79 79 84 86 87 84 81 79 78 79 86 90 91 87 82 80 79 79 86 Dewpt 75 76 76 76 76 76 76 76 76 75 76 76 76 77 77 77 77 77 77 76 76 76 RH 70 82 88 91 91 77 72 70 77 82 91 94 91 75 66 64 72 85 91 91 91 72 Wind dir E E E E E E E E E E SE SE SE E E E E E E E E E Wind spd 13 8 8 8 8 11 14 14 13 10 9 6 8 9 14 17 14 9 8 9 10 12 Wind gust 18 18 25 25 Clouds SC FW SC SC B1 SC B1 B2 B2 SC SC SC SC SC SC B1 B1 B1 B1 FW FW CL PoP 12hr 50 60 20 50 40 QPF 12hr 0.10-0.24 0.31-0.40 0.02-0.09 0.27-0.51 0.04-0.12 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC SC SC NM IS IS IS IS IS IS SC SC SC SC IS IS Tstms IS IS IS Obvis H H H H H H H H H H H H Heat index 96 89 85 81 82 92 97 98 93 86 83 80 82 97104105 98 90 85 81 82 96 Max heat 108 94 96 104 103 93 103 115 113 95 101 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 78 90 78 90 78 91 77 90 Temp 91 82 79 85 90 82 79 85 90 82 79 86 91 82 78 85 90 81 Dewpt 75 75 74 75 75 76 76 76 77 76 75 76 77 76 75 76 66 72 PWind dir E E E E E E NE E E Wind char BZ GN BZ GN BZ GN BZ GN GN Avg clouds CL CL CL CL FW FW CL CL FW FW CL FW SC SC SC SC SC FW PoP 12hr 0 0 5 0 0 10 30 30 30 Rain shwrs IS IS IS SC SC IS IS IS IS $$ PRZ002-110800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 78 82 75 86 91 66 77 82 75 89 93 67 77 82 Temp 85 81 80 78 79 83 85 86 83 80 79 78 78 84 88 89 85 81 80 78 78 84 Dewpt 74 75 75 74 75 74 75 75 75 74 75 75 75 76 75 76 75 75 75 75 74 75 RH 70 82 85 88 88 74 72 70 77 82 88 91 91 77 66 66 72 82 85 91 88 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 12 9 11 11 10 12 13 12 11 12 12 11 11 12 14 16 13 11 13 11 12 14 Wind gust 20 21 21 20 23 24 24 21 21 23 21 25 21 24 26 Clouds FW SC SC B1 B2 B1 B1 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 SC SC CL PoP 12hr 50 60 40 50 40 QPF 12hr 0.17-0.26 0.21-0.40 0.11 0.28-0.51 0.10 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC SC NM SC SC SC IS IS SC SC SC SC SC SC IS IS Tstms IS IS IS Obvis H H H H H H H H Heat index 93 87 84 81 81 89 93 94 90 85 83 80 82 92 98 99 94 87 84 80 81 91 Max heat 105 93 96 101 101 92 99 107 106 93 99 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 78 88 79 88 78 89 77 88 Temp 87 82 79 84 88 82 79 84 88 81 79 85 89 81 78 84 88 81 Dewpt 74 73 73 74 74 74 74 75 75 74 74 74 75 74 74 75 70 72 PWind dir E E E E E NE NE E E Wind char BZ BZ BZ GN BZ GN BZ GN GN Avg clouds CL CL CL CL FW FW FW FW FW FW FW FW SC SC SC SC SC FW PoP 12hr 0 0 10 5 5 10 30 40 40 Rain shwrs IS IS IS IS IS IS IS IS SC SC IS SC SC IS $$ PRZ003-110800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 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 77 82 78 86 91 69 77 82 77 88 93 70 77 82 Temp 85 81 79 78 78 83 85 86 83 80 79 78 78 84 88 88 85 81 79 78 78 84 Dewpt 72 73 74 74 74 73 73 73 74 74 74 74 74 75 75 74 74 75 75 75 74 74 RH 65 77 85 88 88 72 67 65 74 82 85 88 88 74 66 63 70 82 88 91 88 72 Wind dir E E NE NE NE E E E E E E E E E E E E E E E E E Wind spd 12 8 9 9 8 10 14 14 12 10 10 9 10 11 14 14 12 10 10 11 11 14 Wind gust 25 19 18 20 29 32 26 23 29 28 26 20 20 23 24 27 Clouds FW FW SC SC SC SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 SC SC FW FW CL PoP 12hr 30 40 40 40 30 QPF 12hr 0.02-0.18 0.07-0.22 0.04-0.12 0.14-0.32 0.01-0.09 Snow 12hr MM MM MM Rain shwrs IS IS SC IS IS SC SC SC IS IS IS SC SC SC SC SC SC IS IS Obvis H H H H H H H H H H H H H H Heat index 91 86 83 80 81 88 92 93 89 84 82 81 91 97 98 93 86 83 80 90 Max heat 104 91 94 100 99 90 101 110 109 92 100 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 88 77 88 77 89 76 88 Temp 88 81 78 84 88 81 78 84 88 81 78 85 89 80 77 84 88 80 Dewpt 73 73 73 73 72 74 74 73 72 74 73 73 72 73 73 73 67 72 PWind dir E E E E E NE NE NE E Wind char BZ BZ BZ GN BZ GN BZ GN GN Avg clouds CL CL CL CL CL CL CL FW FW FW CL FW FW SC FW FW SC FW PoP 12hr 0 0 0 5 10 5 20 30 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS $$ PRZ004-110800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 75 78 76 85 90 69 74 78 77 88 93 70 74 78 Temp 84 79 77 76 76 81 84 85 81 78 76 75 75 82 87 88 83 79 77 75 75 82 Dewpt 72 74 74 73 73 74 74 74 74 73 74 74 74 75 75 74 74 74 75 74 74 74 RH 67 85 90 90 90 79 72 70 79 85 94 97 97 79 68 63 74 85 94 97 97 77 Wind dir E E E E E E E E E E SE E E E E E E E E E E E Wind spd 12 4 4 4 4 8 11 12 11 6 8 5 6 9 13 13 12 6 6 8 8 11 Clouds SC SC SC SC B1 SC SC B1 B2 SC SC SC SC SC SC B1 B1 B1 B1 FW FW CL PoP 12hr 40 60 30 40 40 QPF 12hr 0.03-0.24 0.11-0.38 0.02-0.11 0.18-0.51 0.03-0.12 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC IS SC SC NM IS IS IS IS SC SC SC SC SC SC Tstms IS IS IS Obvis H H H H H H H H H H H H H H Heat index 89 82 85 91 92 86 89 95 96 90 81 88 Max heat 104 90 95 101 99 88 100 107 106 90 98 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 75 87 74 86 74 88 73 87 Temp 86 78 75 82 87 79 75 82 86 78 75 83 88 78 74 82 87 78 Dewpt 72 72 72 73 73 73 73 74 73 73 73 74 73 73 73 74 63 71 PWind dir E E E E E NE NE E E Wind char GN GN BZ GN GN LT GN GN GN Avg clouds CL CL CL CL FW FW CL FW FW FW CL FW SC SC FW SC SC FW PoP 12hr 0 0 5 5 5 5 30 10 10 Rain shwrs IS IS IS IS SC IS IS IS IS $$ PRZ005-110800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 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 74 76 82 83 87 91 73 75 82 84 91 93 73 76 82 Temp 86 81 79 77 77 83 87 87 84 79 78 76 77 85 90 91 86 81 78 76 77 85 Dewpt 76 77 76 76 76 76 77 77 78 76 76 75 75 77 78 78 78 77 76 76 76 77 RH 72 88 91 97 97 80 72 72 82 91 94 97 94 77 68 66 77 88 94100 97 77 Wind dir E E E E E E E E E E SE SE SE E E E E E E E E E Wind spd 18 10 9 8 9 11 16 18 18 11 8 6 6 9 13 18 16 10 6 8 10 13 Wind gust 32 26 32 33 21 32 27 24 Clouds FW FW FW SC B1 SC SC B2 B2 CL CL FW FW FW FW B1 B1 SC SC FW FW CL PoP 12hr 40 50 0 50 0 QPF 12hr 0.02-0.20 0.23-0.51 0.01 0.22-0.51 0.02 Snow 12hr MM MM MM Rain shwrs IS IS SC IS IS SC SC IS IS IS IS SC SC IS IS Tstms IS IS IS Obvis H H H H H H H H H H H H H H H H Heat index 96 88 82 91 98 99 94 83 96104106 99 87 80 95 Max heat 112 93 97 108 107 93 103 116 115 94 101 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 76 90 76 90 76 91 75 90 Temp 91 81 77 85 90 81 77 85 90 81 77 85 91 80 76 84 90 80 Dewpt 75 74 74 75 76 76 75 76 77 76 75 76 77 76 75 77 67 72 PWind dir E E E E E E NE E E Wind char BZ GN BZ GN BZ GN BZ BZ GN Avg clouds FW FW CL CL FW SC CL CL FW FW CL FW SC SC SC SC SC SC PoP 12hr 0 0 20 0 20 10 30 20 20 Rain shwrs IS IS IS IS IS SC SC IS IS IS IS $$ PRZ006-110800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 73 78 75 83 90 63 72 77 75 85 93 64 73 76 Temp 82 77 76 74 74 79 82 83 80 76 74 73 74 80 84 85 81 77 75 74 74 80 Dewpt 71 72 72 72 72 72 73 73 73 72 72 72 72 73 73 73 73 73 73 73 73 73 RH 69 85 87 93 93 79 74 72 79 87 93 97 93 79 70 67 77 87 94 97 97 79 Wind dir E E E E E E E E E E E E E E E SE E E E E E E Wind spd 12 5 3 3 4 6 10 12 11 6 5 4 4 8 11 12 11 5 4 6 6 10 Wind gust 25 29 32 26 28 27 24 24 Clouds SC FW FW FW SC FW SC B1 B2 CL CL FW FW SC SC B1 B1 SC SC FW FW CL PoP 12hr 10 70 10 30 5 QPF 12hr 0.00-0.12 0.08-0.47 0.01 0.09-0.43 0.00-0.07 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC NM IS IS SC SC IS IS Tstms IS IS IS Obvis H H H H H H H H H H H H H H H H Heat index 86 82 87 88 83 85 91 92 86 84 Max heat 103 87 93 100 99 84 100 110 108 88 99 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 73 85 73 84 73 86 72 85 Temp 85 77 74 80 85 77 74 80 84 76 73 81 86 76 73 80 85 76 Dewpt 70 70 71 71 70 71 72 72 71 72 72 72 72 72 72 72 61 70 PWind dir E E E E E NE NE E E Wind char GN GN GN LT GN LT GN GN GN Avg clouds CL CL CL CL FW FW CL CL FW SC CL FW FW SC FW FW SC SC PoP 12hr 0 0 20 0 30 5 30 10 40 Rain shwrs IS IS SC SC IS IS IS IS IS IS IS $$ PRZ007-110800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 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 76 82 75 87 91 63 75 82 75 89 93 64 75 82 Temp 86 81 79 77 77 83 86 87 83 79 78 76 77 84 88 89 85 80 78 76 77 83 Dewpt 71 71 70 70 70 71 72 73 74 73 72 72 72 73 74 73 74 74 73 72 72 71 RH 61 72 74 79 79 67 63 63 74 82 82 87 85 70 63 59 70 82 85 87 85 67 Wind dir E E NE NE NE E E SE SE E E E E E E SE SE E E E E E Wind spd 13 6 4 4 4 5 13 16 13 9 8 6 6 9 14 13 12 9 6 8 9 12 Wind gust 28 29 34 31 24 21 29 28 26 24 21 23 27 Clouds SC FW FW FW FW FW FW B1 B2 FW FW FW FW SC SC SC SC FW FW FW FW CL PoP 12hr 0 50 10 20 0 QPF 12hr 0.01 0.06-0.79 0.01 0.02-0.21 0 Snow 12hr MM MM MM Rain shwrs IS IS SC SC 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 H Heat index 90 84 81 87 92 94 89 82 89 96 96 91 84 80 87 Max heat 103 90 93 101 101 91 97 107 105 92 95 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 89 76 89 76 90 75 89 Temp 88 80 77 84 89 80 77 84 89 80 77 85 90 80 76 84 89 80 Dewpt 70 71 70 70 70 70 71 70 70 71 71 70 71 71 71 71 67 70 PWind dir E E E E E NE E NE SE Wind char GN GN BZ GN GN LT GN GN GN Avg clouds CL FW FW FW FW FW CL CL FW SC CL CL FW SC FW FW FW SC PoP 12hr 0 0 10 0 30 5 50 5 50 Rain shwrs IS IS IS IS SC SC SC SC IS SC SC $$ PRZ008-110800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 75 82 83 86 91 70 74 82 84 89 93 71 74 82 Temp 85 80 78 76 76 82 85 86 82 78 76 75 76 83 88 89 85 79 77 75 76 84 Dewpt 75 76 75 74 74 75 76 76 76 75 75 73 73 75 77 78 77 77 75 74 74 75 RH 72 88 91 94 94 79 75 72 82 91 97 94 90 77 70 70 77 94 94 97 94 74 Wind dir E E E E E E E NE E E E E E E E E E E E E E E Wind spd 17 14 10 10 10 13 16 16 16 11 6 5 6 9 11 16 10 6 8 8 10 14 Wind gust 31 27 20 20 24 26 31 32 21 21 31 24 25 Clouds SC FW FW FW SC SC SC B1 B1 SC FW FW FW FW FW B2 B2 SC SC FW FW CL PoP 12hr 20 50 5 60 5 QPF 12hr 0.02-0.07 0.20-0.61 0.02 0.37-0.63 0.03-0.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC IS IS NM NM IS IS Tstms IS IS IS Obvis H H H H H H H H H H H H H H H H H Heat index 93 84 88 95 96 90 91100103 95 82 92 Max heat 108 91 95 106 104 91 97 112 111 91 97 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 75 89 75 89 75 90 74 89 Temp 90 80 76 84 89 80 76 84 89 80 76 84 90 79 75 83 89 79 Dewpt 75 74 72 73 75 75 74 74 76 75 74 74 76 75 74 75 69 71 PWind dir E E E E E E NE E E Wind char BZ GN BZ GN BZ BZ BZ BZ GN Avg clouds FW FW FW FW FW SC FW FW FW FW FW FW SC SC FW FW SC SC PoP 12hr 5 5 40 5 10 5 30 20 20 Rain shwrs IS IS IS IS SC SC IS IS IS IS IS IS IS SC IS IS IS IS $$ PRZ009-110800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 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 66 73 77 75 84 91 66 72 76 75 86 93 66 72 76 Temp 83 78 76 74 74 80 83 84 80 76 74 73 73 81 85 86 82 77 75 73 74 81 Dewpt 72 73 73 72 72 72 74 75 74 73 73 72 71 74 75 75 74 74 73 72 72 73 RH 70 85 90 93 93 77 74 74 82 90 97 97 93 79 72 70 77 90 94 97 93 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 9 6 4 4 4 5 8 8 6 4 4 4 4 5 8 6 6 5 4 4 5 8 Wind gust 25 17 16 27 28 23 21 29 27 25 23 23 Clouds B1 SC FW FW FW FW FW B2 OV SC FW FW FW FW FW B1 B1 FW FW FW FW CL PoP 12hr 10 80 10 50 0 QPF 12hr 0.01 0.31-1.03 0.02 0.04-0.61 0.00-0.07 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC D IS IS SC SC Tstms IS IS IS IS IS Obvis H H H H H H H H H H H H H H H H Heat index 88 83 90 91 84 85 93 95 88 85 Max heat 108 87 94 107 105 86 98 114 112 86 96 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 73 86 73 86 73 88 72 87 Temp 86 77 74 81 86 77 74 81 86 77 74 82 88 77 73 81 87 77 Dewpt 71 71 70 71 71 71 71 72 73 72 71 72 73 73 72 72 67 69 PWind dir E E E E E NE NE E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds FW SC FW FW FW SC FW FW FW SC FW FW FW SC FW FW SC SC PoP 12hr 20 10 50 5 40 5 50 5 40 Rain shwrs IS IS IS IS SC SC IS IS SC SC IS IS SC SC IS IS SC SC $$ PRZ010-110800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 76 82 78 88 91 68 75 82 76 91 93 69 75 82 Temp 87 81 79 77 77 84 88 88 84 80 78 76 77 85 90 91 86 80 78 76 77 84 Dewpt 76 77 76 74 74 75 77 78 77 76 76 74 73 76 78 79 78 77 76 74 74 76 RH 70 88 91 90 90 74 70 72 80 88 94 94 87 75 68 68 77 91 94 94 90 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 9 8 9 10 10 6 6 6 6 8 8 6 8 6 9 5 8 9 8 9 10 Wind gust 21 21 19 26 25 24 21 19 20 18 23 26 24 25 23 23 23 18 26 25 25 24 Clouds B1 SC FW FW FW FW FW B2 OV B1 SC FW FW FW FW B1 B1 SC SC FW FW FW PoP 12hr 20 80 30 50 5 QPF 12hr 0.01 0.08-1.07 0.03-0.09 0.00-0.63 0.00-0.09 Snow 12hr MM MM MM Rain shwrs SC IS IS NM D SC SC NM NM IS IS Tstms IS IS IS IS IS IS IS Obvis H H H H H H H H H H H H H H H H H H Heat index 97 88 82 91100102 95 84 95105107 98 86 93 Max heat 111 92 97 109 107 92 103 119 114 93 101 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 75 91 76 91 76 92 75 91 Temp 90 80 76 85 91 81 77 85 91 81 77 86 92 80 76 85 91 80 Dewpt 77 75 72 74 76 75 74 75 77 75 74 75 77 76 74 75 71 71 PWind dir E E E E E NE NE E E Wind char GN GN GN GN GN GN BZ BZ GN Avg clouds FW SC FW FW FW SC FW FW FW SC FW FW FW SC FW FW FW SC PoP 12hr 20 10 50 10 40 10 50 5 30 Rain shwrs IS IS IS IS SC SC IS IS SC SC IS IS SC SC IS IS IS IS $$ PRZ011-110800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 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 74 76 82 84 90 91 73 76 82 84 92 93 73 75 82 Temp 88 81 79 77 77 85 89 90 86 81 79 77 78 86 91 92 87 81 79 76 77 85 Dewpt 73 74 73 71 70 71 74 75 76 75 75 74 73 74 75 75 76 76 75 74 73 73 RH 61 79 82 82 79 63 61 62 72 82 88 90 85 68 60 58 70 85 88 94 87 67 Wind dir SE E E NE NE E SE SE E E E E E E SE SE SE E E E E E Wind spd 13 11 5 4 4 4 13 17 11 13 12 11 10 12 18 17 14 16 12 11 11 14 Wind gust 29 25 31 34 28 27 28 26 23 26 34 34 29 31 28 25 25 29 Clouds FW FW FW FW FW FW FW B1 B2 SC SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 5 50 30 5 5 QPF 12hr 0.01 0.11-0.94 0.04 0.01-0.18 0 Snow 12hr MM MM MM Rain shwrs IS IS SC SC 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 H H Heat index 95 87 81 90 98100 95 86 80 94103104 97 87 81 92 Max heat 108 91 94 106 104 91 97 111 109 92 99 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 76 92 76 92 76 93 75 92 Temp 91 81 77 86 92 81 77 86 92 81 77 86 93 81 76 85 92 80 Dewpt 73 73 71 72 73 72 71 71 74 74 72 71 73 73 72 72 71 70 PWind dir E E E E E NE E E SE Wind char BZ GN BZ GN BZ LT GN GN BZ Avg clouds FW FW FW FW FW FW FW FW FW SC FW FW FW SC CL CL FW SC PoP 12hr 10 10 10 5 30 5 50 0 50 Rain shwrs IS IS IS IS IS IS IS SC SC IS IS SC SC SC SC $$ PRZ012-110800- Culebra- Including the city of Culebra 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 83 86 91 81 84 90 93 81 Temp 86 83 82 81 81 84 86 86 85 83 82 81 82 86 89 90 87 84 82 81 81 86 Dewpt 77 77 77 77 77 77 77 77 77 76 77 77 77 78 78 78 78 78 77 77 77 77 RH 75 82 85 88 88 80 75 75 77 80 85 88 85 77 70 68 75 82 85 88 88 75 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 12 17 18 18 18 18 17 14 18 19 19 18 18 18 17 19 18 18 20 19 19 24 Clouds FW FW SC B2 B1 B1 SC B2 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC CL PoP 12hr 50 60 20 40 30 QPF 12hr 0.25 0.21 0.07 0.21 0.05 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC NM SC IS IS IS IS IS IS SC SC SC SC IS IS Tstms IS Obvis H H H H H H H H H H Heat index 97 93 91 89 89 94 97 98 96 91 90 88 89 98103103 99 93 91 88 88 96 Max heat 107 94 99 104 103 93 101 108 107 94 101 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 81 89 81 89 81 89 80 89 Temp 89 84 82 86 89 84 82 86 89 83 81 86 89 83 81 85 89 83 Dewpt 76 76 76 76 77 77 77 77 77 77 76 77 77 77 76 77 73 74 PWind dir E E E E E E NE E E Wind char WY WY BZ BZ BZ BZ WY WY BZ Avg clouds CL CL CL FW FW FW FW FW FW FW FW FW SC SC SC SC SC FW PoP 12hr 0 5 10 20 20 20 20 30 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS $$ PRZ013-110800- Vieques- Including the city of Vieques 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 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 89 80 84 91 93 80 Temp 87 83 82 81 81 85 86 87 85 83 82 81 81 86 90 91 87 84 82 81 81 86 Dewpt 75 76 76 76 76 76 75 75 75 74 76 76 76 76 76 76 76 76 76 76 76 75 RH 68 80 82 85 85 75 70 68 72 74 82 85 85 72 64 62 70 77 82 85 85 70 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 16 18 18 18 18 17 14 16 19 18 18 18 17 17 18 18 18 20 18 19 23 Clouds FW SC SC B1 B1 B1 SC B2 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC CL PoP 12hr 50 60 30 40 40 QPF 12hr 0.18-0.23 0.21 0.09 0.15-0.25 0.07 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC SC NM SC SC IS IS IS IS IS SC SC SC SC IS IS Tstms IS Obvis H H H H H H H H H H Heat index 96 92 90 87 88 93 96 96 94 89 89 87 88 96101102 98 92 89 87 87 95 Max heat 102 92 96 99 98 91 100 106 105 93 99 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 90 81 90 80 91 80 90 Temp 89 84 82 87 90 84 82 87 90 83 81 87 91 83 80 86 90 83 Dewpt 74 74 75 75 75 75 76 76 75 75 75 75 75 75 75 75 72 74 PWind dir E E E E E NE NE E E Wind char BZ WY BZ BZ BZ BZ WY WY BZ Avg clouds CL CL CL FW FW FW FW FW FW FW FW FW SC SC SC SC SC FW PoP 12hr 0 0 10 20 20 20 30 40 40 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS SC SC IS $$ VIZ001-110800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 80 82 83 85 91 74 80 82 84 89 93 73 80 82 Temp 85 83 82 80 81 84 85 85 84 82 81 80 81 85 88 89 86 83 82 80 81 85 Dewpt 75 76 76 76 76 76 76 75 76 75 76 76 76 76 76 76 76 76 76 76 75 75 RH 72 80 82 88 85 77 75 72 77 79 85 88 85 75 68 66 72 80 82 88 82 72 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 18 19 18 18 18 17 17 18 19 19 19 18 19 18 18 18 20 19 19 19 23 Clouds FW FW SC B2 B1 B1 SC B2 B1 SC SC SC SC SC SC B1 B1 SC SC FW FW CL PoP 12hr 50 60 20 40 20 QPF 12hr 0.24 0.14 0.05 0.13-0.20 0.02 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC NM SC IS IS IS IS IS IS SC SC IS IS Tstms IS Obvis H H H H H H H H H H H H Heat index 93 90 88 86 86 91 94 94 92 88 87 86 87 95 99 99 96 91 88 86 86 94 Max heat 106 94 98 103 102 93 100 107 106 94 100 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 80 88 80 88 80 88 79 88 Temp 89 83 80 85 88 83 80 85 88 83 80 85 88 82 80 84 88 82 Dewpt 74 75 75 75 75 76 76 76 75 76 75 76 75 75 75 76 73 74 PWind dir E E E E E E NE E E Wind char WY WY BZ BZ BZ BZ WY BZ BZ Avg clouds CL CL CL FW FW FW FW FW FW FW FW FW SC SC SC SC SC FW PoP 12hr 0 5 10 20 20 20 20 30 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS $$ VIZ002-110800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Mon Aug 10 2026 Date 08/10/26 Tue 08/11/26 Wed 08/12/26 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 86 91 80 84 90 93 80 Temp 86 83 82 80 81 84 86 86 84 82 81 80 81 86 89 90 87 83 82 81 81 86 Dewpt 75 77 77 77 77 76 76 76 76 76 77 77 77 77 77 77 77 77 77 76 76 76 RH 70 82 85 91 88 77 72 72 77 82 88 91 88 75 68 66 72 82 85 85 85 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 13 16 16 14 17 16 16 16 16 16 14 17 18 18 19 17 17 18 17 19 21 Wind gust 27 32 Clouds FW SC SC SC SC B1 SC B2 B1 SC SC SC SC SC SC B1 B1 SC SC FW FW CL PoP 12hr 40 50 10 40 20 QPF 12hr 0.09 0.12-0.20 0.05 0.12-0.19 0.02 Snow 12hr MM MM MM Rain shwrs IS SC SC IS SC SC SC SC IS IS IS IS IS IS SC SC IS IS Obvis H H H H H H H H H H H H H Heat index 95 91 89 86 87 92 95 96 93 89 88 86 87 96101102 98 92 89 86 87 96 Max heat 106 94 98 103 102 93 101 109 108 94 100 Date 08/13 Fri 08/14/26 Sat 08/15/26 Sun 08/16/26 Mon 08/17/26 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 80 89 80 89 78 90 77 89 Temp 90 83 81 86 89 83 81 85 89 82 79 85 90 81 78 84 89 81 Dewpt 75 76 75 75 76 77 76 76 76 76 76 76 76 76 76 76 72 74 PWind dir E E E E E NE NE E E Wind char BZ WY BZ BZ BZ BZ WY BZ BZ Avg clouds CL CL CL FW FW FW FW FW FW FW FW FW SC SC SC SC SC FW PoP 12hr 0 10 10 20 20 20 20 30 30 Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS $$