Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
296 FOCA52 TJSJ 131831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Sun Sep 13 2026 PRZ001-140800- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed 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 83 83 90 92 73 77 83 83 90 93 73 77 83 Temp 84 81 79 78 77 85 89 90 84 81 79 78 77 85 89 90 84 81 79 78 77 85 Dewpt 76 76 76 75 75 76 76 76 77 76 76 75 74 76 76 76 76 76 76 75 75 76 RH 77 85 91 91 94 75 66 64 80 85 91 91 90 75 66 64 77 85 91 91 94 75 Wind dir E E E E E E E E E E E E E E E E E E E E SE E Wind spd 12 8 8 5 5 9 12 14 13 8 6 5 6 10 13 13 11 6 6 6 6 9 Wind gust 25 24 Clouds SC SC SC FW SC SC B1 B2 B1 CL FW FW FW SC SC B1 B1 FW FW FW FW FW PoP 12hr 30 60 10 50 5 QPF 12hr 0.02-0.09 0.14-0.60 0.02 0.11-0.39 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC NM SC IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS Heat index 94 88 83 80 94101102 94 86 82 94100102 94 87 83 95 Max heat 106 94 100 110 110 94 99 110 109 94 100 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 77 90 77 90 77 90 77 91 Temp 91 81 78 85 90 81 78 85 90 81 78 85 90 81 78 85 91 81 Dewpt 76 77 76 77 77 76 76 77 77 76 75 76 77 76 72 72 70 73 PWind dir E E E SE E SE E SE SE Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC SC SC B2 B1 B1 SC FW FW SC SC SC SC SC SC SC B1 PoP 12hr 20 50 50 30 20 20 30 30 40 Rain shwrs IS IS IS IS SC SC SC SC IS IS IS IS IS IS SC IS SC SC Tstms IS $$ PRZ002-140800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 67 77 83 75 88 93 67 77 83 75 88 93 67 77 83 Temp 83 81 79 78 77 83 87 88 83 80 79 78 77 83 87 88 83 80 79 78 77 84 Dewpt 75 74 75 74 74 75 74 74 74 74 74 74 74 74 74 74 75 74 75 74 74 75 RH 77 79 88 88 90 77 65 63 74 82 85 88 90 74 65 63 77 82 88 88 90 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 10 9 10 8 8 11 11 12 11 9 9 8 10 11 13 12 11 8 6 8 10 10 Wind gust 19 20 18 21 21 20 Clouds SC SC SC SC B1 SC B1 B1 B1 SC B1 SC SC SC SC B2 B2 SC SC SC SC SC PoP 12hr 40 40 40 50 20 QPF 12hr 0.09 0.07-0.58 0.03-0.10 0.25-0.40 0.02-0.07 Snow 12hr MM MM MM Rain shwrs SC IS IS SC SC SC SC SC SC IS SC IS IS IS IS SC SC IS IS IS IS IS Tstms IS Heat index 91 86 83 80 91 95 96 90 85 82 80 90 95 96 90 85 83 80 91 Max heat 103 93 97 104 103 93 96 104 103 93 97 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 87 77 88 77 88 77 88 Temp 88 81 78 83 87 80 78 83 88 80 78 83 88 80 78 83 88 80 Dewpt 75 75 75 76 76 75 75 75 75 74 74 75 74 74 71 72 73 73 PWind dir E E E E E E E SE SE Wind char GN GN GN GN GN GN GN LT GN Avg clouds SC SC B1 B2 B2 B2 B1 B1 FW FW SC SC SC SC B1 B1 SC B1 PoP 12hr 50 60 60 50 30 30 40 40 30 Rain shwrs IS SC SC NM NM NM SC IS IS SC SC SC IS SC SC SC SC SC Tstms IS IS IS IS IS $$ PRZ003-140800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed 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 83 78 88 94 69 77 83 78 88 94 69 77 83 Temp 83 81 79 78 77 83 87 88 83 80 79 78 77 83 87 88 83 80 79 78 77 84 Dewpt 74 73 74 74 73 74 74 73 74 73 74 74 73 74 73 73 73 73 74 74 74 74 RH 74 77 85 88 87 74 65 61 74 79 85 88 87 74 63 61 72 79 85 88 90 72 Wind dir E E E E NE E E E E E E NE NE E E E E E E E E E Wind spd 11 8 8 8 8 10 12 12 12 8 8 6 8 9 13 12 10 6 6 6 9 10 Wind gust 24 23 25 25 19 25 26 20 Clouds FW FW FW SC B1 FW SC FW SC FW SC FW FW SC SC B1 B1 FW FW FW FW FW PoP 12hr 40 20 30 40 5 QPF 12hr 0.06 0.01-0.31 0.01-0.08 0.08-0.28 0.02 Snow 12hr MM MM MM Rain shwrs IS IS SC SC IS IS IS IS IS SC IS IS IS IS SC SC IS IS IS IS IS Heat index 90 85 82 90 95 95 90 84 81 89 94 95 89 84 82 90 Max heat 106 92 99 106 105 92 98 106 105 92 98 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 87 77 87 77 87 76 87 Temp 88 80 78 83 87 80 77 83 87 80 77 83 87 80 77 83 87 80 Dewpt 73 74 75 76 76 75 74 74 73 74 74 74 73 74 72 72 72 72 PWind dir E E E E E E E E SE Wind char GN GN GN LT GN LT GN LT LT Avg clouds FW FW B1 B1 B2 B2 B2 B1 FW FW SC SC SC SC SC SC SC SC PoP 12hr 30 60 60 60 30 30 20 20 30 Rain shwrs IS SC SC NM NM NM NM NM IS IS IS IS IS IS IS IS IS IS Tstms IS IS IS IS IS $$ PRZ004-140800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 74 78 77 87 92 69 74 77 77 87 92 69 74 78 Temp 81 78 76 75 74 81 86 87 81 78 76 75 74 81 86 87 81 78 76 75 74 82 Dewpt 74 73 73 73 72 74 74 73 74 73 73 73 72 74 73 73 74 73 73 73 73 74 RH 79 85 90 94 93 79 68 63 79 85 90 94 93 79 65 63 79 85 90 94 97 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 4 4 4 4 6 10 11 10 5 4 4 3 6 11 11 9 3 3 4 5 8 Clouds SC SC FW SC B1 FW B1 B1 B1 FW SC FW FW SC SC B1 B1 FW FW FW FW FW PoP 12hr 40 50 20 50 5 QPF 12hr 0.02-0.08 0.07-0.60 0.00-0.06 0.10-0.39 0.01 Snow 12hr MM MM MM Rain shwrs IS IS IS SC IS SC SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS Heat index 86 80 87 93 94 86 86 93 93 86 87 Max heat 103 88 97 105 104 86 97 104 103 88 98 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 74 86 74 87 74 87 73 87 Temp 87 78 75 81 86 78 75 81 87 78 75 81 87 77 74 81 87 78 Dewpt 73 74 74 75 75 74 73 75 73 73 73 74 73 73 70 70 69 72 PWind dir E E E E E E SE SE SE Wind char GN LT GN LT GN LT LT LT LT Avg clouds FW SC SC B1 B2 B2 B2 B1 FW FW SC SC SC SC SC SC SC SC PoP 12hr 20 60 60 60 30 30 30 30 30 Rain shwrs IS IS SC SC NM NM NM IS IS SC SC IS IS IS SC IS IS SC Tstms IS IS IS IS IS $$ PRZ005-140800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed 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 83 85 90 94 72 75 83 85 90 94 73 76 83 Temp 84 80 78 77 76 84 89 90 84 80 78 76 76 84 89 90 84 80 78 77 76 84 Dewpt 77 75 75 75 74 76 77 77 77 75 75 74 74 76 77 77 77 75 75 75 75 76 RH 80 85 91 94 94 77 68 66 80 85 91 94 94 77 68 66 80 85 91 94 97 77 Wind dir E E SE SE SE E E E E E SE E E E E E E E E E E E Wind spd 13 10 6 5 4 6 13 16 16 10 6 5 8 9 12 16 13 8 8 8 8 8 Wind gust 25 20 28 28 23 29 26 Clouds B1 FW FW CL FW SC FW SC B1 CL CL CL CL FW FW B1 B1 CL CL CL CL FW PoP 12hr 10 30 0 40 5 QPF 12hr 0.02 0.06-0.96 0 0.09-0.93 0 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC SC IS IS SC SC Tstms IS IS IS Heat index 93 85 93102102 93 84 93101102 93 84 94 Max heat 106 94 99 110 110 94 99 110 110 94 100 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 91 76 90 75 90 Temp 91 81 77 84 90 80 77 84 91 80 76 84 90 80 76 84 90 80 Dewpt 76 76 76 77 78 77 75 77 77 76 74 76 78 77 72 71 72 74 PWind dir E E E SE E SE E SE E Wind char GN LT GN LT GN LT LT LT LT Avg clouds FW SC SC SC B1 B2 SC SC SC SC SC FW SC B1 SC SC SC B1 PoP 12hr 20 10 70 20 30 10 60 5 40 Rain shwrs IS IS IS IS NM NM IS IS IS IS IS IS SC SC IS IS SC SC Tstms IS IS IS IS $$ PRZ006-140800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 63 72 77 75 84 92 63 72 77 75 84 92 63 72 77 Temp 79 76 74 73 72 79 83 84 79 76 74 73 72 79 83 84 79 76 74 73 72 80 Dewpt 72 71 72 72 71 73 73 72 73 71 72 71 71 72 72 71 72 71 72 72 72 72 RH 79 85 93 97 97 82 72 67 82 85 93 93 97 79 70 65 79 85 93 97100 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 9 5 4 3 3 5 9 10 10 5 3 3 3 4 9 11 8 3 3 3 4 6 Wind gust 21 23 24 24 24 27 20 Clouds B1 FW FW FW FW FW FW B1 B2 CL FW CL CL FW FW B2 B2 CL CL CL CL FW PoP 12hr 5 50 0 60 5 QPF 12hr 0.00-0.05 0.06-1.09 0 0.09-1.19 0 Snow 12hr MM MM MM Rain shwrs NM IS IS IS SC SC IS NM NM Tstms IS IS IS IS Heat index 82 82 89 89 82 82 88 89 82 83 Max heat 105 86 96 107 105 85 96 106 105 84 97 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 73 84 73 85 72 84 72 84 Temp 85 77 74 80 84 76 73 80 85 76 73 79 84 76 73 79 84 76 Dewpt 71 72 73 74 74 72 72 73 72 72 72 72 72 72 69 68 68 71 PWind dir E E E E E E SE SE SE Wind char GN LT GN LT LT LT LT LT LT Avg clouds FW SC FW SC B1 B2 B1 SC SC SC FW FW SC B1 FW FW SC SC PoP 12hr 20 40 60 40 10 5 50 5 30 Rain shwrs IS IS IS IS SC NM SC IS IS IS IS IS SC SC IS IS IS SC Tstms IS IS IS IS $$ PRZ007-140800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed 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 83 75 88 94 63 75 83 75 88 94 63 76 83 Temp 83 80 78 77 76 83 87 88 83 79 77 76 75 83 87 88 83 79 77 76 76 83 Dewpt 73 72 71 71 70 71 72 73 73 73 72 71 71 72 70 71 73 72 71 71 71 71 RH 72 77 79 82 82 67 61 61 72 82 85 85 87 70 57 57 72 79 82 85 85 67 Wind dir E E NE NE NE E E SE SE E E NE NE E E E E E NE NE E E Wind spd 10 6 5 4 4 5 11 11 10 8 5 5 2 3 11 13 9 3 3 3 5 8 Wind gust 25 26 26 26 20 17 12 14 25 31 24 13 16 18 Clouds SC SC FW FW FW FW CL SC B1 CL FW CL CL FW FW B1 B1 CL CL CL CL FW PoP 12hr 20 40 5 50 5 QPF 12hr 0.02 0.03-1.17 0 0.07-1.09 0 Snow 12hr MM MM MM Rain shwrs SC IS IS SC SC IS SC SC Tstms IS IS IS IS Heat index 88 83 80 87 93 95 88 83 87 92 93 88 82 88 Max heat 103 93 95 105 104 93 95 104 103 92 95 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 76 88 76 88 75 87 75 87 Temp 89 80 77 83 88 79 76 83 88 79 76 82 87 79 76 82 87 79 Dewpt 71 73 72 74 75 73 72 72 72 74 72 72 72 73 71 71 70 72 PWind dir E E E E E E SE E SE Wind char GN LT GN LT GN LT GN LT LT Avg clouds FW SC FW SC B1 B2 B2 B1 SC SC FW FW SC SC FW FW FW SC PoP 12hr 20 30 50 50 20 5 30 5 20 Rain shwrs IS IS IS SC SC SC IS IS IS IS IS SC SC IS IS Tstms IS IS IS $$ PRZ008-140800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 74 83 85 88 94 70 74 83 85 88 94 70 74 83 Temp 82 79 77 75 74 82 87 88 82 78 76 75 74 82 87 88 82 79 77 75 75 83 Dewpt 76 75 74 73 72 75 76 76 76 75 74 73 72 74 76 75 76 75 74 73 73 74 RH 82 88 90 94 93 79 70 68 82 91 94 94 93 77 70 66 82 88 90 94 94 74 Wind dir E E E E E E E NE E E E E E E E NE E E E E E E Wind spd 13 12 9 6 6 8 11 11 12 10 5 6 8 9 12 12 8 4 8 10 10 10 Wind gust 23 21 24 26 19 23 27 23 20 20 Clouds B1 SC FW CL FW FW CL B1 B1 FW FW CL CL CL CL B2 B2 CL CL CL CL FW PoP 12hr 10 40 5 60 5 QPF 12hr 0.02 0.22-1.06 0 0.13-0.99 0.01 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC SC IS NM NM Tstms IS IS IS IS Heat index 89 80 89 97 98 89 80 88 97 98 89 80 90 Max heat 105 93 96 109 107 93 95 109 106 93 95 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 75 89 74 88 74 88 74 88 Temp 89 79 76 83 89 79 75 83 88 79 75 82 88 78 75 82 88 78 Dewpt 75 76 74 75 78 76 74 75 77 76 73 75 76 76 72 71 72 74 PWind dir E E E E E E E SE E Wind char GN GN GN LT LT LT LT LT LT Avg clouds SC B1 SC SC SC B2 SC SC SC B1 SC SC SC B2 B1 SC SC B1 PoP 12hr 40 20 70 30 50 30 60 30 50 Rain shwrs SC SC IS IS NM NM SC IS SC SC SC SC NM NM SC SC SC SC Tstms IS IS IS IS $$ PRZ009-140800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed 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 76 75 85 94 65 72 76 75 85 94 66 72 76 Temp 80 76 74 73 72 80 84 85 79 76 74 73 72 79 84 85 79 76 74 73 72 80 Dewpt 73 72 72 71 70 72 73 73 73 72 72 71 70 72 73 73 73 72 72 71 71 72 RH 79 87 93 93 93 77 70 67 82 87 93 93 93 79 70 67 82 87 93 93 97 77 Wind dir E E E E E E E E E SE E E E E E E E E E E E E Wind spd 6 4 4 3 3 4 6 5 4 4 4 4 3 4 5 5 3 2 3 4 4 5 Wind gust 24 23 24 27 13 Clouds OV SC CL CL CL CL CL B2 B2 CL FW CL CL CL CL OV OV CL CL CL CL FW PoP 12hr 20 70 0 70 5 QPF 12hr 0.01 0.46-1.36 0 0.23-1.25 0 Snow 12hr MM MM MM Rain shwrs NM IS NM NM NM NM Tstms IS IS IS IS IS Heat index 83 82 90 91 83 82 90 91 83 84 Max heat 106 85 95 110 109 86 95 110 108 86 95 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 85 72 85 72 85 72 85 Temp 86 77 74 80 85 76 73 80 85 76 73 80 85 76 73 79 85 76 Dewpt 72 73 72 73 75 73 72 72 74 73 71 72 74 73 70 69 69 72 PWind dir E E E E E E E SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 FW FW SC B2 SC SC SC B1 SC FW SC B1 SC FW SC SC PoP 12hr 50 5 70 30 40 20 60 10 40 Rain shwrs SC SC IS IS NM NM SC IS SC SC IS IS NM NM IS IS SC SC Tstms IS IS IS IS $$ PRZ010-140800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 75 83 76 91 94 68 75 83 76 90 94 68 75 83 Temp 84 80 78 76 76 84 89 91 84 80 77 76 75 84 89 90 84 80 78 76 76 84 Dewpt 77 76 75 73 72 75 76 76 77 76 75 73 72 75 76 76 76 75 75 73 73 75 RH 80 88 91 90 87 74 66 62 80 88 94 90 90 74 66 64 77 85 91 90 90 74 Wind dir E E E E E E E E E E E E E E E E NE E E E E E Wind spd 8 8 6 5 4 5 5 5 5 6 6 6 6 6 5 5 2 4 5 8 6 8 Wind gust 18 20 18 17 16 17 20 18 19 17 18 21 18 Clouds B2 SC FW FW CL FW CL B2 B2 FW FW CL CL FW FW B2 B2 SC SC SC SC FW PoP 12hr 30 70 5 70 5 QPF 12hr 0.01-0.08 0.01-1.35 0.00-0.07 0.04-1.25 0.00-0.15 Snow 12hr MM MM MM Rain shwrs NM SC IS NM NM IS NM NM IS IS IS IS Tstms IS IS IS IS IS Heat index 93 85 92101103 93 84 92101102 93 84 92 Max heat 106 94 99 110 110 93 98 110 110 93 99 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 76 90 75 91 75 90 75 90 Temp 91 80 77 84 90 80 76 84 91 80 76 84 90 80 76 84 90 80 Dewpt 76 76 74 76 77 76 74 75 77 76 74 75 77 76 73 72 72 74 PWind dir E E E E E E E E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC SC SC FW SC B1 SC SC SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 50 10 60 30 50 20 60 20 40 Rain shwrs SC SC IS IS NM NM SC IS SC SC IS IS NM NM SC SC SC SC Tstms IS IS IS IS $$ PRZ011-140800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed 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 83 86 92 94 73 76 83 86 92 94 73 76 83 Temp 85 81 78 77 76 85 91 92 85 81 79 77 77 85 91 92 85 81 79 77 77 86 Dewpt 75 75 74 72 71 72 73 75 75 75 75 73 72 72 73 74 74 74 73 72 72 73 RH 72 82 88 85 85 65 56 58 72 82 88 87 85 65 56 56 70 79 82 85 85 65 Wind dir E E E E E E SE E E E E E NE E E SE E E E E E E Wind spd 10 10 9 6 5 4 13 13 10 11 11 9 3 3 12 17 8 3 4 4 6 9 Wind gust 20 21 20 28 29 21 23 25 20 27 33 18 21 Clouds B1 SC FW FW CL FW CL SC B1 CL CL CL CL FW FW B1 B1 FW FW FW FW FW PoP 12hr 20 30 0 40 5 QPF 12hr 0.02 0.10-1.01 0 0.05-0.71 0.01 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC SC SC IS IS IS IS Tstms IS Heat index 93 86 80 91100103 94 86 80 92 99102 94 86 80 92 Max heat 106 93 94 110 109 93 95 110 108 93 95 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 91 77 92 76 92 76 92 Temp 93 82 78 85 91 81 78 86 92 81 77 85 92 81 77 85 92 81 Dewpt 73 75 73 75 78 76 74 74 74 76 74 74 75 75 74 73 72 74 PWind dir E E E E E E SE E SE Wind char GN LT GN GN GN GN GN GN GN Avg clouds FW SC FW FW SC B1 B1 SC SC SC SC FW FW SC FW FW FW SC PoP 12hr 20 5 40 40 30 10 30 5 20 Rain shwrs IS IS IS SC SC SC SC IS IS IS IS SC SC IS IS $$ PRZ012-140800- Culebra- Including the city of Culebra 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 86 89 94 81 86 88 94 81 Temp 85 84 82 82 81 86 88 89 85 84 82 82 81 85 88 88 85 83 82 82 81 85 Dewpt 77 76 77 76 76 77 76 77 77 76 76 76 76 77 76 77 77 76 77 76 76 77 RH 77 77 85 82 85 75 68 68 77 77 82 82 85 77 68 70 77 80 85 82 85 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 16 17 17 16 16 17 16 16 14 14 16 14 19 19 17 17 16 14 14 16 17 16 Clouds SC SC SC SC B1 FW SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 30 30 30 40 30 QPF 12hr 0.08 0.05 0.06 0.15 0.07 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC IS IS SC IS IS SC IS IS IS IS SC SC SC SC SC SC IS Heat index 96 92 91 89 88 96 99100 96 92 90 88 88 95 99100 96 91 90 88 88 96 Max heat 103 94 100 106 106 94 99 106 106 94 100 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 81 88 81 89 81 88 81 88 Temp 89 84 82 85 88 84 82 86 89 84 81 85 88 83 81 85 88 83 Dewpt 77 77 78 78 77 77 77 77 77 76 76 77 77 76 73 73 75 73 PWind dir E E E E E E E SE SE Wind char BZ BZ BZ BZ BZ GN GN GN GN Avg clouds FW SC B2 B2 B2 B2 B1 SC SC SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 50 60 60 40 20 30 40 40 30 Rain shwrs IS SC SC NM NM NM SC SC IS IS IS SC SC SC SC SC SC SC Tstms IS IS IS $$ PRZ013-140800- Vieques- Including the city of Vieques 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed 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 89 92 77 80 83 85 89 92 77 80 83 Temp 85 83 82 81 81 85 88 89 85 83 82 81 80 85 88 89 85 83 82 81 80 85 Dewpt 75 74 75 75 75 76 75 74 75 73 75 75 74 75 75 74 75 73 75 75 75 75 RH 72 74 79 82 82 75 66 61 72 72 79 82 82 72 66 61 72 72 79 82 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 16 16 17 16 16 16 16 14 14 14 14 14 19 18 17 16 16 14 14 14 17 16 Clouds FW SC FW B1 SC SC SC SC SC B1 B1 SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 30 40 40 40 30 QPF 12hr 0.07 0.02-0.13 0.10 0.14-0.32 0.07 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC IS IS SC IS SC SC SC SC IS IS SC SC SC SC SC SC IS Tstms IS Heat index 94 89 89 87 86 94 97 98 93 89 88 86 86 94 97 98 93 89 88 86 86 94 Max heat 101 93 97 102 101 92 97 102 101 93 97 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 89 80 89 80 89 80 89 Temp 89 83 81 85 89 83 81 85 89 83 81 85 89 83 80 85 89 83 Dewpt 75 75 76 77 75 75 76 76 75 75 75 75 74 74 72 73 74 73 PWind dir E E E E E E E E SE Wind char BZ BZ BZ BZ GN GN GN GN GN Avg clouds FW SC B2 B2 B2 B2 B2 B1 SC SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 50 60 60 60 20 30 40 40 30 Rain shwrs IS SC SC NM NM NM NM IS IS IS IS SC SC SC SC SC SC SC Tstms IS IS IS IS IS $$ VIZ001-140800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 81 83 85 87 93 75 80 83 85 87 93 75 80 83 Temp 84 83 81 81 81 84 86 87 84 82 81 80 80 84 86 87 84 82 81 80 80 84 Dewpt 75 75 76 76 76 76 75 74 75 75 76 75 75 75 75 74 75 75 76 76 76 76 RH 74 77 85 85 85 77 70 65 74 79 85 85 85 74 70 65 74 79 85 88 88 77 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 16 17 18 16 16 17 17 16 14 16 17 14 17 20 18 17 17 16 16 17 17 17 Clouds FW SC FW SC SC FW SC FW SC FW SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 20 20 20 30 30 QPF 12hr 0.03 0.02 0.04 0.04-0.10 0.07 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC SC SC IS Heat index 92 89 88 87 86 93 95 96 92 89 87 86 86 92 95 96 92 89 88 86 86 93 Max heat 102 93 99 105 104 93 99 105 104 93 100 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 80 87 81 87 80 87 80 87 Temp 87 82 81 84 87 83 81 84 87 82 80 84 87 82 80 84 87 82 Dewpt 75 76 77 77 75 76 76 76 75 75 76 75 74 75 73 72 73 72 PWind dir E E E E E E E E SE Wind char BZ BZ BZ BZ BZ BZ GN GN GN Avg clouds FW SC B2 B2 B2 B1 SC SC SC SC SC SC B1 B1 B1 B1 SC SC PoP 12hr 50 60 60 10 20 30 40 40 30 Rain shwrs IS SC SC NM NM NM IS IS IS IS IS SC SC SC SC SC SC SC Tstms IS IS IS $$ VIZ002-140800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Sun Sep 13 2026 Date 09/13/26 Mon 09/14/26 Tue 09/15/26 Wed 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 77 80 83 85 88 94 77 80 83 85 88 94 77 80 83 Temp 85 83 82 81 80 85 87 88 85 83 81 80 80 85 87 88 85 83 81 80 80 85 Dewpt 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 RH 75 80 82 85 88 75 70 68 75 80 85 88 88 75 70 68 75 80 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 14 14 14 14 13 16 17 14 16 14 14 12 14 18 18 17 14 12 13 13 14 16 Clouds FW FW SC B1 SC CL SC FW SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 SC PoP 12hr 30 30 30 40 40 QPF 12hr 0.07 0.02 0.09 0.08 0.09 Snow 12hr MM MM MM Rain shwrs IS IS SC SC IS IS IS IS SC SC SC SC IS IS IS IS SC SC SC SC IS Heat index 94 91 89 87 87 94 98 98 94 90 88 86 86 94 98 98 93 90 88 86 86 94 Max heat 105 93 100 108 107 93 99 108 106 93 100 Date 09/16 Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 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 80 85 88 83 81 85 88 82 80 85 88 82 80 85 88 82 Dewpt 77 77 77 77 77 77 77 76 76 76 76 76 75 76 72 74 71 74 PWind dir E E E E E E E E SE Wind char BZ GN BZ BZ GN GN GN GN GN Avg clouds FW SC B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 50 60 60 20 20 20 30 30 30 Rain shwrs IS SC SC NM NM NM IS IS IS IS IS IS SC SC SC SC SC IS Tstms IS IS IS $$