Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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434 FOCA52 TJSJ 141831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Mon Sep 14 2026 PRZ001-150800- 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 Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 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 77 82 82 90 92 73 77 82 84 91 93 73 78 82 Temp 84 81 79 78 77 85 89 90 84 81 79 78 77 85 90 91 85 82 80 79 78 85 Dewpt 76 76 76 76 75 76 77 77 77 76 76 75 75 76 76 76 77 77 77 76 77 78 RH 77 85 91 94 94 75 68 66 80 85 91 91 94 75 64 62 77 85 91 91 97 80 Wind dir E E E E E E E E E E E E SE E E E E E E E E E Wind spd 12 9 6 6 6 9 13 12 10 8 8 6 5 8 13 14 12 8 6 5 5 10 Wind gust 25 23 Clouds B1 CL FW FW SC SC SC B1 B1 FW SC SC SC FW FW SC SC SC SC B1 B1 B1 PoP 12hr 30 50 30 30 50 QPF 12hr 0.02-0.07 0.24-0.72 0.01-0.11 0.03-0.30 0.08-0.45 Snow 12hr MM MM MM Rain shwrs SC IS SC IS IS SC SC IS IS IS IS IS IS SC SC SC SC SC SC SC Tstms IS IS IS Heat index 93 87 83 80 94100102 94 87 83 95101103 96 89 85 81 80 97 Max heat 105 92 100 111 109 92 101 112 111 94 103 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 91 77 90 76 90 77 90 Temp 91 81 78 85 91 81 78 85 90 81 77 84 90 81 78 84 90 81 Dewpt 79 77 76 77 77 76 76 76 77 76 75 76 77 76 75 76 68 74 PWind dir E E E E E SE SE SE SE Wind char GN LT GN LT LT LT GN LT GN Avg clouds B1 B2 B2 B1 SC SC SC SC SC B1 SC SC SC B1 SC SC B1 SC PoP 12hr 60 60 40 20 50 30 50 30 40 Rain shwrs SC SC SC SC IS SC IS IS IS SC SC IS IS SC IS IS SC SC Tstms IS IS IS IS $$ PRZ002-150800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 77 82 75 87 92 67 77 82 75 88 94 68 78 82 Temp 83 81 79 78 77 83 86 87 83 80 79 78 77 84 87 88 84 81 79 78 78 84 Dewpt 75 74 75 74 74 75 75 75 75 74 74 74 74 75 74 74 75 75 76 75 76 76 RH 77 79 88 88 90 77 70 68 77 82 85 88 90 74 65 63 74 82 91 91 94 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 11 9 9 9 9 10 12 11 11 9 10 9 9 10 13 12 11 8 8 10 10 11 Wind gust 19 19 20 19 19 20 23 21 Clouds B1 SC SC SC B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 40 50 50 60 70 QPF 12hr 0.06-0.13 0.41-0.74 0.09-0.15 0.17-0.32 0.38-0.57 Snow 12hr MM MM MM Rain shwrs SC IS IS SC SC SC SC SC SC SC SC SC SC IS IS SC SC NM NM NM NM NM Tstms IS IS IS IS IS IS IS IS Heat index 89 85 83 80 90 95 96 90 85 82 80 91 96 97 92 87 84 81 80 92 Max heat 100 91 96 104 102 91 97 105 104 93 100 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 78 88 77 88 77 88 77 88 Temp 88 81 78 84 88 81 78 84 88 80 78 83 88 80 77 83 88 80 Dewpt 76 75 75 76 75 74 74 75 74 74 74 74 74 74 74 75 72 73 PWind dir E E E E E SE SE SE SE Wind char GN GN GN LT LT LT GN GN GN Avg clouds B2 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC PoP 12hr 60 60 30 40 40 40 50 50 40 Rain shwrs NM NM NM NM IS SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS $$ PRZ003-150800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 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 87 93 69 77 82 78 88 94 70 77 82 Temp 83 80 79 78 77 83 86 87 83 80 79 78 77 83 87 88 84 81 79 78 77 83 Dewpt 75 74 74 74 73 74 74 73 74 74 74 74 73 74 73 73 75 75 75 75 75 76 RH 77 82 85 88 87 74 68 63 74 82 85 88 87 74 63 61 74 82 88 91 94 80 Wind dir E E E NE NE E E E E NE NE NE E E E E E E E E E E Wind spd 11 9 8 6 8 9 12 11 10 8 8 8 8 8 14 13 11 8 6 8 9 10 Wind gust 24 27 25 28 28 24 20 Clouds SC FW SC SC SC SC SC B1 B1 SC SC SC B1 FW FW FW FW B1 B1 B1 B1 B2 PoP 12hr 20 40 40 50 60 QPF 12hr 0.01-0.11 0.09-0.50 0.02-0.15 0.01-0.18 0.16-0.56 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC IS IS SC SC IS SC SC SC IS IS IS IS SC SC SC SC NM Tstms IS IS IS IS IS Heat index 90 84 82 89 94 95 89 84 81 90 95 96 91 86 83 80 91 Max heat 103 91 98 106 105 90 99 107 106 92 100 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 77 88 77 88 76 87 76 87 Temp 87 80 78 83 88 80 78 83 88 80 77 83 87 80 77 83 87 80 Dewpt 76 75 75 75 73 74 74 74 74 74 74 74 74 74 74 74 70 73 PWind dir E E E NE E E E E E Wind char GN GN GN LT LT LT LT LT GN Avg clouds B2 B2 B2 B1 SC FW SC SC SC B1 B1 SC SC SC SC SC B1 SC PoP 12hr 60 60 20 20 40 40 30 40 40 Rain shwrs NM NM NM NM IS IS IS IS SC SC SC SC IS SC SC SC SC SC Tstms IS IS IS IS $$ PRZ004-150800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 74 78 76 86 92 69 74 77 77 87 93 69 74 78 Temp 81 78 76 75 74 81 85 86 81 78 76 75 74 82 86 87 82 78 76 75 74 81 Dewpt 73 73 74 73 72 74 74 74 74 73 73 73 72 74 73 73 74 74 74 74 74 76 RH 77 85 94 94 93 79 70 68 79 85 90 94 93 77 65 63 77 88 94 97100 85 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 5 4 4 4 5 10 10 8 4 4 4 3 5 11 12 9 4 4 4 5 9 Clouds B1 FW FW FW SC SC SC B1 B1 FW SC SC SC FW FW SC SC B1 B1 B1 B1 B2 PoP 12hr 30 50 30 30 50 QPF 12hr 0.01-0.09 0.13-0.74 0.01-0.14 0.02-0.31 0.12-0.53 Snow 12hr MM MM MM Rain shwrs SC IS IS SC IS SC SC SC IS IS IS SC IS IS IS IS SC SC SC SC SC Tstms IS IS IS IS IS IS IS IS Heat index 84 86 92 93 85 87 93 94 87 81 88 Max heat 102 88 97 106 104 86 98 106 105 89 99 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 74 87 74 87 73 86 73 86 Temp 86 78 75 82 87 78 75 81 87 77 74 81 86 77 74 81 86 77 Dewpt 76 74 74 75 74 74 73 74 73 73 72 74 74 73 72 74 67 72 PWind dir E E E E E SE SE SE SE Wind char GN LT LT LT LT LT LT LT GN Avg clouds B2 B2 B2 B1 SC SC SC SC B1 B1 B1 SC SC B1 SC SC B1 SC PoP 12hr 60 60 30 20 50 30 40 30 40 Rain shwrs SC NM NM NM IS IS IS IS SC SC SC SC IS SC SC SC SC SC Tstms IS IS IS IS IS $$ PRZ005-150800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 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 76 82 84 89 93 73 76 82 85 91 94 73 76 82 Temp 83 80 78 77 76 84 88 89 83 80 78 77 76 84 89 91 85 81 78 77 76 85 Dewpt 76 76 75 75 74 77 77 77 77 76 75 75 74 76 77 77 77 76 76 76 76 78 RH 80 88 91 94 94 80 70 68 82 88 91 94 94 77 68 64 77 85 94 97100 80 Wind dir E E SE SE E E E E E E E E E E E NE E E E E E E Wind spd 14 10 6 6 6 9 13 16 13 10 9 8 6 9 14 18 16 11 8 6 6 6 Wind gust 27 24 29 27 20 32 29 21 Clouds B1 CL FW CL FW FW FW B1 B1 CL CL FW FW FW FW SC SC FW FW SC SC SC PoP 12hr 5 50 5 30 5 QPF 12hr 0.01 0.15-1.12 0.01 0.02-0.69 0.02-0.15 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC SC IS IS IS IS IS IS Tstms IS IS IS Heat index 92 85 93101102 93 84 94102103 95 87 80 96 Max heat 105 92 99 112 111 92 100 112 111 94 103 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 91 75 90 75 90 75 90 Temp 91 81 77 85 91 80 76 84 90 79 76 83 90 79 76 84 90 79 Dewpt 79 77 76 78 78 77 75 77 78 76 74 76 77 76 74 77 70 73 PWind dir E E E SE E SE E SE E Wind char GN LT GN LT LT LT GN LT GN Avg clouds SC B2 SC SC SC SC FW FW SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 70 20 40 5 60 10 60 10 50 Rain shwrs NM NM SC SC SC SC IS IS NM NM IS IS IS IS IS IS SC SC Tstms IS IS IS IS IS IS IS $$ PRZ006-150800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 73 77 75 84 91 63 72 77 75 85 93 64 73 77 Temp 79 76 74 73 73 79 83 84 79 76 74 73 72 80 84 85 80 77 75 74 73 80 Dewpt 73 72 72 72 71 73 73 72 73 72 72 72 71 72 72 71 72 72 73 73 73 74 RH 82 87 93 97 93 82 72 67 82 87 93 97 97 77 67 63 77 85 94 97100 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 5 3 3 3 5 9 11 9 4 4 3 3 5 10 12 9 5 4 3 4 5 Wind gust 23 27 26 19 27 28 23 Clouds B2 CL CL CL FW FW FW B2 B2 CL CL CL FW FW FW SC SC FW FW SC SC SC PoP 12hr 0 60 5 10 20 QPF 12hr 0.01 0.14-1.35 0.01 0.01-0.41 0.02-0.18 Snow 12hr MM MM MM Rain shwrs SC IS NM SC IS IS IS IS IS IS IS IS Tstms IS IS IS Heat index 82 82 88 89 82 83 90 90 83 84 Max heat 103 86 95 105 104 85 97 107 106 86 99 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 73 85 72 85 72 84 72 84 Temp 85 76 74 80 85 76 73 79 85 76 73 79 84 75 73 79 84 75 Dewpt 74 73 73 74 72 72 72 73 73 72 71 73 73 72 71 73 64 71 PWind dir E E E E E SE SE SE SE Wind char GN LT LT LT LT LT LT LT LT Avg clouds B1 B2 B1 SC SC SC FW FW SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 60 50 30 5 60 10 60 5 50 Rain shwrs IS SC SC SC IS SC IS NM NM IS IS NM NM IS IS SC SC Tstms IS IS IS IS IS IS $$ PRZ007-150800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 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 63 76 82 75 88 94 63 75 82 75 89 94 64 76 82 Temp 82 80 78 77 76 83 87 88 83 79 77 76 76 83 88 89 83 80 78 77 76 83 Dewpt 74 73 72 71 71 72 72 73 73 73 72 72 71 72 71 72 74 73 73 72 73 74 RH 77 79 82 82 85 70 61 61 72 82 85 87 85 70 57 57 74 79 85 85 90 74 Wind dir E E NE NE NE E E SE E E NE NE E E E SE E E E E E E Wind spd 10 8 5 3 4 4 11 13 11 6 5 4 4 5 12 13 11 6 5 5 5 6 Wind gust 25 19 27 29 25 27 31 26 Clouds B1 CL FW CL CL FW CL B1 B1 CL CL CL FW FW FW SC SC FW FW SC SC SC PoP 12hr 0 50 5 20 10 QPF 12hr 0 0.09-1.30 0.01 0.01-0.54 0.02-0.18 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS IS IS IS IS IS Tstms IS IS IS Heat index 89 83 80 87 93 95 88 83 88 93 96 90 84 81 89 Max heat 105 91 95 106 105 91 95 106 105 92 98 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 88 76 88 75 87 75 87 Temp 88 80 77 83 88 79 76 83 88 79 76 82 87 79 76 82 87 79 Dewpt 74 73 73 73 73 73 71 72 73 73 72 72 73 73 72 73 68 72 PWind dir E E E E E E E E SE Wind char GN LT GN LT LT LT LT LT GN Avg clouds SC B1 B1 SC SC SC CL FW SC B1 FW FW SC SC FW FW SC SC PoP 12hr 50 30 20 5 50 5 50 5 40 Rain shwrs IS SC SC SC IS IS IS IS SC IS IS SC SC IS IS SC SC Tstms IS IS $$ PRZ008-150800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 75 82 85 87 94 70 74 82 85 89 94 71 75 82 Temp 81 79 77 76 75 82 86 87 82 78 76 75 75 83 87 89 83 79 77 76 75 83 Dewpt 76 76 75 74 73 75 76 76 76 76 75 73 73 75 76 76 76 76 75 74 74 76 RH 85 91 94 94 94 79 72 70 82 94 97 94 94 77 70 66 80 91 94 94 97 80 Wind dir E E E E E E E NE E E E E E E E NE NE E E E E E Wind spd 12 11 8 8 8 10 12 14 14 12 10 9 9 9 13 14 13 12 9 8 8 8 Wind gust 25 21 20 23 28 27 23 20 19 29 27 23 Clouds B1 CL FW CL FW CL CL B2 B2 FW FW CL CL FW FW B2 B2 FW FW FW FW FW PoP 12hr 0 60 5 60 5 QPF 12hr 0.01 0.25-1.21 0.01 0.18-0.77 0.02 Snow 12hr MM MM MM Rain shwrs SC NM NM IS NM NM Tstms IS IS IS IS IS Heat index 88 81 89 97 98 89 80 89 98 99 91 82 91 Max heat 102 92 96 109 107 92 95 109 107 92 98 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 75 89 74 88 74 87 74 88 Temp 89 79 76 83 89 79 75 82 88 78 75 82 87 78 75 82 88 78 Dewpt 78 77 74 76 77 76 74 75 76 75 73 75 76 75 73 75 72 73 PWind dir E E E E E SE E SE E Wind char GN LT GN LT LT LT LT LT LT Avg clouds SC B2 SC SC SC B2 SC FW SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 70 20 70 10 60 20 60 20 50 Rain shwrs NM NM IS IS NM NM IS IS NM NM IS IS NM NM IS IS SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ009-150800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 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 72 77 75 85 94 66 72 76 75 86 94 66 73 77 Temp 79 76 74 73 72 80 84 85 79 76 74 73 72 80 85 86 80 77 75 74 73 80 Dewpt 73 73 72 71 70 72 73 74 73 73 72 71 70 72 73 73 73 73 73 72 72 73 RH 82 90 93 93 93 77 70 70 82 90 93 93 93 77 67 65 79 87 94 93 97 79 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 4 3 4 3 4 4 6 6 5 4 4 4 4 4 6 5 4 4 4 4 4 4 Wind gust 20 27 23 24 24 Clouds B2 CL CL CL CL CL CL OV B2 CL CL CL CL FW FW B2 B2 FW FW FW FW FW PoP 12hr 0 70 5 70 5 QPF 12hr 0 0.39-1.56 0 0.08-0.82 0.02 Snow 12hr MM MM MM Rain shwrs NM NM NM NM NM IS IS IS Tstms IS IS IS IS IS Heat index 82 83 90 92 83 84 91 92 84 84 Max heat 105 86 95 111 110 86 95 109 108 88 98 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 72 85 72 85 72 85 Temp 86 77 74 80 86 76 73 80 85 76 73 79 85 76 72 79 85 76 Dewpt 76 73 72 73 74 73 71 72 74 73 71 72 74 73 71 72 66 70 PWind dir E E E E E SE SE SE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B2 SC SC SC B1 FW FW SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 70 20 70 0 60 10 60 10 50 Rain shwrs NM NM IS IS IS NM IS IS NM NM IS IS NM NM IS IS SC SC Tstms IS IS IS IS IS IS IS IS $$ PRZ010-150800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 75 82 78 90 94 68 75 82 77 91 94 69 76 82 Temp 83 80 78 76 76 84 89 90 84 80 78 76 76 84 89 91 84 80 78 77 76 85 Dewpt 77 76 75 74 73 75 76 77 77 76 75 74 72 75 76 76 77 76 76 74 74 76 RH 82 88 91 94 90 74 66 66 80 88 91 94 87 74 66 62 80 88 94 90 94 75 Wind dir E E E E E E E E E E E E E E E E NE E E E E E Wind spd 5 6 5 5 6 6 5 6 8 6 6 6 6 6 5 5 4 5 6 5 4 5 Wind gust 17 17 16 18 17 19 18 17 17 18 17 18 16 17 17 20 Clouds B2 FW FW FW CL FW CL B2 B2 SC SC FW CL FW FW B2 B2 FW FW FW FW FW PoP 12hr 0 70 10 60 5 QPF 12hr 0.00-0.12 0.04-1.54 0.00-0.14 0.01-0.81 0.02 Snow 12hr MM MM MM Rain shwrs NM NM NM IS IS NM NM IS IS IS Tstms IS IS IS IS IS Heat index 92 84 92101103 93 84 92102103 95 86 94 Max heat 106 92 100 113 111 92 99 113 111 92 101 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 76 91 75 91 75 90 75 90 Temp 91 80 77 85 91 80 76 84 91 80 76 84 90 79 76 84 90 79 Dewpt 79 77 75 76 78 77 74 75 77 76 74 75 77 76 74 75 71 73 PWind dir E E E E E E SE E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC B1 B1 SC FW SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 60 20 70 10 60 30 50 30 50 Rain shwrs NM IS IS IS IS NM IS IS NM NM IS IS SC SC SC SC SC SC Tstms IS IS IS IS IS IS IS $$ PRZ011-150800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 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 76 82 85 92 94 73 76 82 85 93 94 74 77 82 Temp 84 81 79 77 77 85 91 92 85 81 79 77 77 86 91 93 86 82 80 78 78 86 Dewpt 77 75 74 72 71 72 73 75 75 75 75 73 73 74 72 75 76 76 75 74 74 75 RH 80 82 85 85 82 65 56 58 72 82 88 87 87 68 54 56 72 82 85 88 88 70 Wind dir E E E E NE E SE E E E E E E E E SE E E E E E E Wind spd 9 9 10 4 5 3 10 16 12 9 10 6 6 8 12 11 9 8 9 8 8 9 Wind gust 20 21 24 24 33 27 21 21 27 28 23 20 20 20 Clouds B1 CL CL FW CL FW CL B1 B1 FW FW CL CL FW FW SC SC FW FW SC SC SC PoP 12hr 0 40 5 10 10 QPF 12hr 0 0.09-0.86 0.01 0.02-0.30 0.02-0.07 Snow 12hr MM MM MM Rain shwrs SC SC SC IS IS IS IS IS IS IS IS IS Tstms IS IS Heat index 95 87 80 91100103 94 86 80 93 99103 95 88 83 95 Max heat 105 92 95 110 109 92 96 111 109 92 99 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 77 93 76 92 76 92 76 92 Temp 93 82 78 86 93 81 77 86 92 81 77 85 92 81 77 85 92 81 Dewpt 76 76 74 75 75 76 73 73 75 75 74 73 75 75 74 75 73 74 PWind dir E E E E E E SE E SE Wind char GN GN GN LT LT LT GN GN GN Avg clouds SC B1 SC SC SC SC FW FW FW SC SC SC SC SC SC SC SC SC PoP 12hr 50 30 30 0 40 10 30 10 30 Rain shwrs SC SC IS IS SC IS SC SC IS IS SC IS IS IS IS SC $$ PRZ012-150800- Culebra- Including the city of Culebra 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 85 88 94 81 85 89 94 81 Temp 84 83 82 81 81 85 87 88 85 83 82 81 81 86 88 89 86 84 82 81 81 85 Dewpt 76 77 77 76 76 77 76 77 77 76 77 76 76 77 77 77 78 77 78 78 78 78 RH 77 82 85 85 85 77 70 70 77 80 85 85 85 75 70 68 77 80 88 91 91 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 14 16 17 16 14 17 17 16 16 17 17 16 16 17 18 17 17 16 16 19 17 18 Clouds SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B1 SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 30 50 50 60 60 QPF 12hr 0.08 0.29-0.42 0.13 0.17 0.51 Snow 12hr MM MM MM Rain shwrs IS IS SC IS IS SC SC SC SC SC SC SC SC IS IS SC SC NM NM NM NM NM Tstms IS IS IS IS IS Heat index 94 92 90 88 88 95 98 99 95 91 90 88 88 96100101 97 93 92 90 90 97 Max heat 103 94 100 106 105 93 100 107 107 97 103 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 81 88 81 88 81 88 81 88 Temp 88 83 81 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83 Dewpt 78 77 77 78 77 76 76 77 76 75 76 76 76 75 76 77 74 73 PWind dir E E E E E E SE SE SE Wind char BZ BZ GN GN GN GN GN GN BZ Avg clouds B2 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 PoP 12hr 60 60 30 40 40 40 50 50 40 Rain shwrs NM NM NM NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS $$ PRZ013-150800- Vieques- Including the city of Vieques 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 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 85 88 92 80 85 89 92 80 Temp 85 83 82 81 80 85 88 88 85 83 81 81 80 85 88 89 85 83 82 81 80 85 Dewpt 74 75 75 75 75 76 75 74 75 74 75 75 74 75 75 75 76 75 76 77 77 77 RH 70 77 79 82 85 75 66 63 72 74 82 82 82 72 66 64 75 77 82 88 91 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 14 16 18 16 14 18 16 16 16 17 17 16 16 17 18 16 16 16 17 20 17 17 Clouds SC B1 B1 SC SC B1 B1 B1 B1 B2 B2 B2 B1 SC SC B1 B1 OV OV B2 B2 B2 PoP 12hr 40 50 60 70 70 QPF 12hr 0.12 0.21-0.41 0.15 0.18 0.51-0.57 Snow 12hr MM MM MM Rain shwrs IS SC SC SC IS SC SC SC SC SC SC NM SC IS IS SC SC NM NM NM NM NM Tstms IS IS IS IS IS IS Heat index 93 90 88 86 86 94 97 97 93 89 88 86 85 94 98 98 94 90 89 87 87 96 Max heat 101 91 97 102 101 91 97 103 102 92 99 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 80 88 80 88 80 89 Temp 89 83 81 85 89 83 81 85 88 83 80 85 88 83 80 85 89 83 Dewpt 76 75 76 77 75 74 75 76 74 73 74 75 74 74 75 75 74 74 PWind dir E E E E E E SE SE SE Wind char BZ BZ GN GN GN GN GN GN GN Avg clouds B2 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 SC PoP 12hr 60 60 30 40 40 40 50 50 40 Rain shwrs NM NM NM NM IS SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS $$ VIZ001-150800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 80 82 85 87 93 75 80 82 85 87 94 76 81 82 Temp 84 82 81 80 80 84 86 87 84 82 81 80 80 84 87 87 85 83 81 81 81 85 Dewpt 74 76 76 76 76 76 75 74 75 75 76 76 75 76 75 75 76 77 77 77 77 77 RH 72 82 85 88 88 77 70 65 74 79 85 88 85 77 68 68 75 82 88 88 88 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 16 17 16 16 17 17 18 16 16 16 18 18 17 18 17 17 18 16 17 17 17 19 Clouds SC FW SC SC CL SC SC SC SC B1 B1 B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 20 50 50 60 60 QPF 12hr 0.05 0.05-0.14 0.11 0.16 0.50 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC IS IS SC SC SC IS IS IS SC SC NM NM NM NM NM Tstms IS IS IS IS IS Heat index 91 89 87 86 86 93 95 96 92 89 88 86 86 93 96 97 93 91 89 88 88 95 Max heat 102 93 100 105 104 93 100 107 106 94 101 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 81 87 80 87 80 87 80 87 Temp 87 83 81 84 87 82 80 84 87 82 80 84 87 82 80 84 87 82 Dewpt 76 76 77 77 75 76 76 75 74 74 75 75 74 74 75 75 73 72 PWind dir E E E E E E SE SE E Wind char BZ BZ GN GN GN GN GN GN BZ Avg clouds B2 B2 B1 SC SC SC SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 40 30 40 40 40 40 30 40 Rain shwrs NM NM SC IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS $$ VIZ002-150800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 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 85 88 94 80 85 88 94 80 Temp 84 83 81 80 80 85 87 88 85 83 81 80 80 85 88 88 85 83 82 81 80 85 Dewpt 75 76 77 76 76 76 76 76 76 76 76 76 76 76 76 77 77 78 78 78 78 78 RH 74 80 88 88 88 75 70 68 75 80 85 88 88 75 68 70 77 85 88 91 94 80 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 14 14 14 14 14 16 17 16 16 16 14 13 14 16 18 17 17 17 17 18 14 17 Wind gust 27 Clouds SC SC SC SC SC SC SC SC SC B2 B2 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 PoP 12hr 30 50 50 60 60 QPF 12hr 0.09 0.05-0.11 0.09 0.16 0.50 Snow 12hr MM MM MM Rain shwrs IS SC SC SC IS IS IS IS IS SC SC IS IS IS IS SC SC NM NM NM NM NM Tstms IS IS IS IS IS Heat index 93 91 88 86 86 94 98 98 93 90 88 86 86 94 99100 95 92 90 88 88 96 Max heat 103 93 100 108 106 93 100 109 108 95 102 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 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 80 88 80 88 80 88 Temp 88 83 81 85 88 83 80 85 88 82 80 85 88 82 80 85 88 82 Dewpt 77 77 77 77 76 76 76 76 76 75 76 76 75 76 76 76 73 74 PWind dir E E E E E E SE E E Wind char BZ GN GN GN GN GN GN GN BZ Avg clouds B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 30 10 20 30 30 30 20 30 Rain shwrs NM NM SC IS IS IS IS IS IS IS SC SC SC SC IS IS IS SC Tstms IS IS $$