Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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545 FOCA52 TJSJ 281831 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 PM AST Mon Sep 28 2026 PRZ001-290800- 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 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 81 87 91 72 76 82 81 87 91 72 77 82 Temp 84 81 79 78 77 83 86 87 82 80 78 77 76 83 86 87 83 80 78 77 77 83 Dewpt 75 76 76 76 75 77 77 77 76 76 76 75 75 76 77 76 75 75 75 75 75 76 RH 74 85 91 94 94 82 75 72 82 88 94 94 97 80 75 70 77 85 91 94 94 80 Wind dir E E E SE SE E E NE E E E E E E E E E E E E E E Wind spd 11 8 6 5 5 6 12 13 12 9 9 6 8 10 14 14 13 9 8 6 6 8 Wind gust 25 Clouds B1 SC FW FW B1 B1 B1 SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 40 40 40 40 30 QPF 12hr 0.06-0.28 0.16-0.29 0.09-0.18 0.09-0.17 0.04-0.10 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC SC SC IS IS SC SC SC SC IS IS SC SC SC SC SC SC IS Tstms IS IS Heat index 92 85 82 92 98 99 90 83 91 98 98 90 84 81 92 Max heat 107 92 96 107 105 92 95 106 104 91 97 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 75 88 76 88 75 89 75 90 Temp 88 79 76 83 88 79 77 83 88 79 76 83 89 79 76 83 90 80 Dewpt 76 75 75 77 77 75 75 76 76 75 75 76 76 75 75 77 71 73 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 B1 SC SC B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC B1 PoP 12hr 50 30 60 40 60 30 30 20 40 Rain shwrs IS SC IS IS SC SC SC SC IS SC SC SC SC IS IS IS IS SC Tstms IS IS IS IS $$ PRZ002-290800- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 77 82 73 85 90 67 76 82 73 85 90 66 75 82 Temp 82 80 78 77 77 82 84 85 81 79 77 76 76 81 84 85 81 78 77 76 75 81 Dewpt 74 74 75 75 75 75 75 74 74 74 74 74 74 75 75 74 74 74 74 74 74 75 RH 77 82 91 94 94 79 74 70 79 85 90 94 94 82 74 70 79 88 90 94 97 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 11 8 9 9 6 8 12 12 11 10 10 10 10 11 14 13 12 10 10 10 9 10 Wind gust 20 20 21 23 21 21 20 Clouds SC SC SC SC B1 B1 B1 B1 B1 B1 B2 B2 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 50 50 40 40 QPF 12hr 0.09-0.31 0.25-0.48 0.18 0.18 0.11 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS Heat index 88 84 81 88 92 93 87 82 87 92 92 86 81 87 Max heat 102 91 94 100 99 91 93 100 99 91 94 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 86 74 86 75 86 74 86 74 87 Temp 86 78 75 81 86 78 76 81 86 78 75 81 86 78 75 82 87 78 Dewpt 74 74 74 75 74 74 74 75 74 74 74 75 74 74 74 75 74 73 PWind dir E E E E E E E E E Wind char GN GN GN GN GN LT GN LT GN Avg clouds B1 B1 B1 B1 B1 B2 B2 B1 B1 B2 B1 B1 SC SC SC SC B1 B1 PoP 12hr 50 50 60 50 60 40 30 30 50 Rain shwrs SC SC SC SC NM NM SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS $$ PRZ003-290800- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 76 86 90 68 75 82 77 85 90 67 75 82 Temp 82 79 78 77 76 82 85 86 81 78 77 76 75 81 84 85 81 78 77 76 75 81 Dewpt 74 74 75 74 73 74 74 73 74 73 73 73 73 74 73 73 74 73 73 73 73 74 RH 77 85 91 90 90 77 70 65 79 85 87 90 94 79 70 67 79 85 87 90 94 79 Wind dir E E NE NE NE NE E E E NE NE NE NE E E E E NE NE E E E Wind spd 11 8 8 6 6 8 13 14 12 9 9 8 9 11 14 16 13 9 9 9 9 10 Wind gust 23 26 29 25 19 20 18 23 27 28 26 20 Clouds FW FW SC SC FW SC SC SC SC SC B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 30 30 40 40 30 QPF 12hr 0.02-0.10 0.12-0.32 0.07-0.18 0.08-0.18 0.05-0.11 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC IS IS SC SC SC SC IS IS SC SC SC SC SC SC SC Heat index 87 82 87 92 92 86 81 86 91 92 86 80 86 Max heat 100 91 94 100 99 90 93 99 99 90 93 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 85 74 85 74 86 74 87 Temp 86 78 75 80 85 78 75 81 85 77 75 81 86 78 75 81 87 78 Dewpt 73 73 73 74 74 74 74 74 74 73 73 74 74 74 73 74 71 72 PWind dir E E E E E E E NE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC B1 PoP 12hr 50 50 40 40 30 30 30 30 40 Rain shwrs SC SC SC SC SC SC SC SC SC SC IS SC SC IS IS IS IS SC $$ PRZ004-290800- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 69 74 77 76 84 89 67 72 76 76 84 89 67 73 76 Temp 80 77 75 74 74 80 83 84 79 76 74 73 72 79 83 84 79 76 75 74 73 79 Dewpt 73 73 73 73 72 74 74 73 73 73 73 72 71 74 74 73 73 73 72 72 72 74 RH 79 87 94 97 93 82 74 70 82 90 97 97 97 85 74 70 82 90 90 93 97 85 Wind dir E E E E E E E E E NE NE E E E E E E E E E E E Wind spd 9 4 4 4 3 4 11 12 11 4 5 3 4 8 12 12 11 4 5 5 4 8 Clouds FW SC FW FW SC B1 B1 SC SC B1 B1 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 30 40 40 40 30 QPF 12hr 0.03-0.18 0.15-0.38 0.09-0.18 0.10-0.18 0.05-0.11 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC SC SC SC SC SC SC IS IS SC SC SC SC SC SC SC Heat index 84 84 90 91 82 83 89 90 82 83 Max heat 99 85 93 100 98 92 99 97 92 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 72 85 72 85 71 85 71 86 Temp 85 76 73 79 85 76 73 79 85 75 72 79 85 76 72 80 86 76 Dewpt 73 73 72 74 73 73 72 74 73 73 72 74 73 73 72 74 69 71 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT LT Avg clouds SC B1 B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC SC SC SC SC B1 PoP 12hr 40 40 60 40 50 30 30 20 50 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS SC SC Tstms IS IS $$ PRZ005-290800- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 72 75 82 82 86 90 71 74 82 82 87 90 72 75 82 Temp 83 79 77 76 75 82 86 86 81 78 76 75 74 81 86 87 82 79 77 76 75 82 Dewpt 76 75 75 75 74 77 78 77 76 75 75 75 74 76 77 76 75 75 74 74 75 76 RH 80 88 94 97 97 85 77 75 85 91 97100100 85 75 70 79 88 90 94100 82 Wind dir E E SE SE SE E E NE NE E E E E E E E E E E E E E Wind spd 13 10 6 5 5 6 12 16 16 11 10 8 5 9 14 17 17 11 8 5 6 8 Wind gust 26 26 26 29 31 21 Clouds B1 SC FW SC SC SC SC SC B1 SC SC SC SC FW FW B1 B1 SC SC SC SC FW PoP 12hr 30 40 20 30 5 QPF 12hr 0.05-0.19 0.15-0.48 0.01-0.13 0.08-0.28 0.00-0.06 Snow 12hr MM MM MM Rain shwrs SC IS IS IS IS IS SC IS SC IS IS IS IS IS IS SC SC IS IS IS IS Tstms IS Heat index 90 82 89 98 98 88 88 97 97 88 80 90 Max heat 108 92 96 108 106 92 95 107 104 91 97 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 74 88 74 87 74 88 74 89 Temp 88 78 75 82 88 78 75 81 87 78 74 82 88 78 74 82 89 78 Dewpt 76 75 74 77 77 75 74 76 77 75 74 76 77 75 74 77 73 74 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 B1 SC SC SC B2 SC SC SC SC SC SC SC SC PoP 12hr 40 5 50 20 70 20 30 10 30 Rain shwrs SC SC NM SC IS IS NM NM IS IS IS IS IS IS IS SC Tstms IS IS IS IS IS $$ PRZ006-290800- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 64 72 76 73 82 89 63 71 75 73 82 90 63 72 76 Temp 78 76 74 73 72 78 81 82 77 74 73 72 71 77 81 82 78 75 73 73 72 78 Dewpt 71 71 72 71 70 72 73 72 72 71 71 71 70 72 73 71 71 71 71 71 71 72 RH 79 85 93 93 93 82 77 72 85 90 93 97 97 85 77 69 79 87 93 93 97 82 Wind dir E E E E E E E NE NE NE E E E E E E E E E E E E Wind spd 8 5 3 2 3 3 9 10 11 5 4 3 4 8 10 11 11 4 4 4 4 6 Wind gust 21 25 28 23 18 26 28 25 17 Clouds SC SC CL FW FW SC B1 SC B1 SC SC SC SC FW FW B1 B1 SC SC SC SC FW PoP 12hr 20 30 20 30 10 QPF 12hr 0.04 0.12-0.42 0.02-0.12 0.07-0.15 0.00-0.06 Snow 12hr MM MM MM Rain shwrs SC IS IS IS SC IS SC IS IS IS IS IS SC SC IS IS IS IS IS Heat index 81 80 85 86 85 85 80 Max heat 99 83 92 101 98 90 99 97 92 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 83 70 82 71 82 70 82 70 83 Temp 83 74 71 77 82 74 71 77 82 74 71 77 82 74 71 78 83 74 Dewpt 72 71 71 73 72 71 71 72 72 71 70 72 72 71 71 73 68 70 PWind dir E E E E E E E E E Wind char GN LT LT LT LT LT LT LT LT Avg clouds SC SC SC SC SC B1 SC SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 40 5 50 20 60 10 30 10 40 Rain shwrs IS IS IS IS SC SC IS IS IS NM IS IS IS IS IS IS IS SC Tstms IS IS IS IS $$ PRZ007-290800- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 75 82 73 86 91 62 74 82 73 86 92 62 75 82 Temp 82 78 77 76 75 81 85 86 81 77 76 75 74 81 85 86 81 78 77 76 75 81 Dewpt 73 72 72 71 70 71 73 73 74 72 72 70 70 71 71 72 73 72 71 71 71 71 RH 74 82 85 85 84 72 67 65 79 85 87 84 87 72 63 63 77 82 82 85 87 72 Wind dir SE E E NE NE E E SE E NE NE NE NE E E E E NE NE NE E E Wind spd 9 6 5 3 4 4 10 12 10 6 5 4 4 6 12 13 12 8 5 5 5 8 Wind gust 24 18 25 31 27 18 17 14 23 27 29 28 20 16 16 16 20 Clouds FW SC FW FW FW FW SC B1 B1 FW FW FW SC FW FW B1 B1 FW FW FW FW FW PoP 12hr 20 50 10 40 5 QPF 12hr 0.02-0.23 0.12-0.71 0.01-0.07 0.07-0.46 0.00-0.05 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC IS IS IS IS IS SC SC IS IS IS IS IS Tstms IS IS Heat index 86 81 85 91 92 86 85 89 92 86 80 85 Max heat 100 90 92 101 100 90 92 100 100 90 92 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 86 74 86 74 86 74 87 Temp 86 77 75 80 86 77 75 81 86 77 74 81 86 77 75 81 87 78 Dewpt 73 71 71 72 73 72 71 72 73 72 70 71 73 73 72 72 71 72 PWind dir E E E E E E E E E Wind char GN LT GN LT GN LT LT LT LT Avg clouds SC SC FW FW SC B1 SC SC SC SC FW FW SC SC FW FW SC SC PoP 12hr 40 5 50 5 30 5 30 5 30 Rain shwrs IS SC IS IS SC SC IS IS IS SC IS IS SC IS IS IS SC $$ PRZ008-290800- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 71 74 82 83 85 91 69 73 82 83 86 91 70 74 82 Temp 81 78 76 75 74 81 84 85 80 77 75 74 73 80 85 86 80 77 76 75 74 81 Dewpt 76 75 74 73 73 75 77 77 75 75 74 73 72 74 76 76 75 74 74 73 73 74 RH 85 91 94 94 97 82 80 77 85 94 97 97 97 82 75 72 85 90 94 94 97 79 Wind dir E E E E E E E NE NE E E E E E E E E E E E E E Wind spd 9 10 8 8 6 8 13 14 14 14 13 10 8 8 14 16 17 14 10 8 8 9 Wind gust 21 20 25 25 26 25 18 28 29 28 21 Clouds B2 B2 B1 SC FW SC SC B1 B2 SC SC FW SC FW FW B2 B2 CL CL CL CL FW PoP 12hr 60 50 5 50 5 QPF 12hr 0.09-0.39 0.21-0.56 0.02 0.12-0.61 0 Snow 12hr MM MM MM Rain shwrs SC NM SC IS IS IS IS SC SC IS IS IS SC SC Tstms IS IS IS IS IS IS Heat index 87 86 95 96 85 85 94 95 85 86 Max heat 103 91 93 106 104 91 92 105 103 90 92 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 72 86 72 85 72 86 72 87 Temp 87 77 73 80 86 77 73 80 85 76 73 80 86 76 73 80 87 77 Dewpt 77 75 73 75 77 75 73 74 76 75 73 74 76 75 73 74 73 75 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC B1 SC FW SC B2 SC SC SC B2 B1 SC SC B1 SC SC SC B1 PoP 12hr 60 10 70 30 70 40 50 10 50 Rain shwrs NM NM IS IS NM NM IS IS NM NM SC IS SC SC IS IS SC SC Tstms IS IS IS IS IS IS $$ PRZ009-290800- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 76 73 83 90 66 71 75 73 83 90 66 71 76 Temp 79 76 74 73 72 78 82 83 78 74 73 71 71 78 82 83 78 75 73 72 71 78 Dewpt 72 72 72 70 69 71 74 74 73 72 72 70 70 71 73 73 72 71 71 70 70 71 RH 79 87 93 90 90 79 77 74 85 93 97 97 97 79 74 72 82 87 93 93 97 79 Wind dir E E E E E E E NE NE E E E E E E E E E E E E E Wind spd 4 4 4 3 3 4 8 8 8 6 5 4 4 4 8 8 8 6 4 4 4 4 Wind gust 16 18 21 17 16 25 26 20 18 Clouds B1 B2 SC FW FW FW SC B2 B2 FW FW FW FW FW CL B2 B2 CL CL CL CL FW PoP 12hr 60 60 5 60 5 QPF 12hr 0.04-0.40 0.23-0.72 0.01 0.12-0.65 0 Snow 12hr MM MM MM Rain shwrs SC NM SC IS IS NM NM IS NM NM Tstms IS IS IS IS IS IS IS Heat index 82 80 87 89 86 88 80 80 Max heat 102 83 89 104 104 89 103 103 83 90 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 84 70 83 70 83 70 83 70 84 Temp 84 74 71 77 83 74 71 78 83 74 71 77 83 74 71 78 84 74 Dewpt 74 72 70 72 74 72 70 72 73 72 70 71 73 72 70 72 70 72 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 FW FW SC B1 SC FW SC B1 SC SC SC B1 FW FW SC B1 PoP 12hr 60 5 70 10 70 10 50 5 50 Rain shwrs NM NM IS IS NM NM IS IS NM NM IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS IS $$ PRZ010-290800- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 68 74 82 75 88 91 67 73 82 75 88 91 67 74 82 Temp 83 79 77 75 75 82 86 88 82 78 76 74 74 82 86 88 82 78 77 75 74 82 Dewpt 76 76 75 73 72 74 77 77 77 75 74 73 72 74 76 77 76 75 74 73 73 74 RH 80 91 94 94 90 77 75 70 85 91 94 97 93 77 72 70 82 91 90 94 97 77 Wind dir E E E E E E E E E NE E E E E E E E E E E E E Wind spd 4 5 6 6 5 6 6 5 8 12 11 8 6 6 6 6 8 10 9 6 6 6 Wind gust 16 18 20 19 28 27 23 19 17 19 20 21 24 19 17 17 Clouds B1 B2 B1 FW FW FW FW B2 B2 FW FW CL FW CL CL B2 B2 FW FW FW FW FW PoP 12hr 70 70 5 60 5 QPF 12hr 0.04-0.41 0.22-0.72 0.01 0.08-0.65 0.00-0.08 Snow 12hr MM MM MM Rain shwrs NM NM SC IS IS NM NM IS IS NM NM Tstms IS IS IS IS IS IS IS Heat index 90 81 88 98100 89 88 97 99 89 88 Max heat 105 91 94 108 106 91 93 107 105 91 94 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 73 88 73 88 73 89 73 89 Temp 88 78 74 82 88 78 74 82 88 77 74 82 89 78 74 82 89 78 Dewpt 77 75 73 75 77 75 73 74 77 75 73 74 76 75 73 74 72 74 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B1 SC SC SC B1 PoP 12hr 60 20 70 10 60 20 50 10 50 Rain shwrs NM NM IS IS NM NM IS IS NM NM IS IS SC SC IS IS SC SC Tstms IS IS IS IS IS IS $$ PRZ011-290800- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 72 75 82 84 89 90 71 74 82 84 89 90 72 75 82 Temp 84 80 78 76 75 83 88 89 83 78 76 75 74 83 87 89 83 80 78 76 75 83 Dewpt 75 75 74 73 72 72 74 76 76 76 74 72 71 73 73 75 76 75 73 72 72 72 RH 74 85 88 90 90 70 63 66 80 94 94 90 90 72 63 64 80 85 85 87 90 70 Wind dir E E E E NE E SE E E NE E E NE NE E SE E E E E E E Wind spd 9 8 10 6 4 4 8 11 8 9 5 6 4 5 13 14 12 13 8 6 5 6 Wind gust 20 19 21 20 26 18 19 29 31 26 29 18 17 Clouds FW SC FW FW FW FW SC B2 B2 SC SC FW FW FW CL B1 B1 CL CL CL CL FW PoP 12hr 20 60 5 50 5 QPF 12hr 0.02-0.30 0.36-0.71 0.01 0.08-0.59 0 Snow 12hr MM MM MM Rain shwrs IS IS IS IS NM NM IS IS SC SC Tstms IS IS Heat index 92 83 89 97100 90 88 95 99 91 82 89 Max heat 104 91 91 106 105 91 91 105 104 91 91 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 74 90 75 90 74 91 74 91 Temp 90 79 75 83 90 79 76 83 90 79 75 83 91 79 75 84 91 79 Dewpt 74 74 72 73 75 74 74 74 75 75 72 73 76 76 74 73 74 74 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 SC SC SC FW FW SC SC FW FW SC SC PoP 12hr 30 5 40 5 30 5 30 5 30 Rain shwrs SC SC IS IS SC SC IS IS IS SC SC SC IS IS SC SC $$ PRZ012-290800- Culebra- Including the city of Culebra 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 83 86 90 80 83 86 90 79 Temp 84 82 81 80 80 84 86 86 84 82 81 80 80 84 86 86 83 81 80 80 79 83 Dewpt 77 77 77 77 77 77 77 77 77 76 76 76 76 77 77 77 77 76 76 76 77 77 RH 80 85 88 91 91 80 75 75 80 82 85 88 88 80 75 75 82 85 88 88 94 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 14 16 14 12 14 14 14 16 18 18 19 20 17 18 17 17 19 19 17 17 17 Clouds SC SC SC SC B1 B2 B2 B1 B1 B1 B2 B1 B1 SC SC B1 B1 B1 B1 B1 B1 SC PoP 12hr 50 50 50 40 40 QPF 12hr 0.17-0.23 0.30 0.17 0.17 0.10 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS Heat index 94 90 89 87 86 93 96 97 93 89 88 87 86 93 96 97 92 88 86 84 80 92 Max heat 103 92 97 103 102 91 96 103 102 92 96 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 78 87 79 86 78 87 78 88 Temp 87 81 79 83 87 81 79 83 86 81 79 83 87 81 79 84 88 81 Dewpt 77 76 76 77 77 76 76 76 76 76 76 76 76 76 76 77 75 74 PWind dir E E E E E E E E E Wind char BZ BZ GN GN GN BZ GN GN GN Avg clouds B1 B1 B1 B1 B1 B2 B2 B1 SC B1 SC SC SC SC SC SC B1 B1 PoP 12hr 40 40 50 50 40 30 30 30 50 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC $$ PRZ013-290800- Vieques- Including the city of Vieques 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 76 78 82 82 86 88 79 82 86 88 75 78 82 Temp 83 81 80 79 78 83 85 86 83 81 80 79 79 83 85 86 82 80 79 78 78 83 Dewpt 76 75 76 76 76 76 76 76 76 75 76 75 75 76 76 75 76 75 75 75 76 76 RH 80 82 88 91 94 80 75 72 80 82 88 88 88 80 75 70 82 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 13 13 16 14 12 14 14 14 16 19 18 18 20 17 18 17 17 19 18 17 17 17 Clouds SC SC SC SC SC B2 B2 B1 B1 B2 B2 B2 B1 SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 50 50 50 40 40 QPF 12hr 0.12 0.28-0.47 0.18 0.18 0.11 Snow 12hr MM MM MM Rain shwrs IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Heat index 91 87 84 82 81 91 95 95 91 87 84 82 82 91 94 95 89 85 82 90 Max heat 99 91 93 99 98 90 93 98 97 90 93 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 76 86 77 86 76 87 76 88 Temp 86 79 77 82 86 80 78 82 86 79 77 82 87 80 77 83 88 80 Dewpt 75 75 76 76 75 75 75 76 75 75 75 76 75 75 76 76 75 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ GN GN BZ GN GN GN Avg clouds B1 B1 B2 B1 B1 B2 B2 B1 SC B1 B1 B1 SC SC SC SC SC B1 PoP 12hr 50 50 50 50 40 40 30 30 40 Rain shwrs SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC Tstms IS $$ VIZ001-290800- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 Thu AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 72 79 82 82 84 90 72 80 82 82 84 90 71 79 82 Temp 83 81 80 79 79 82 84 84 82 81 81 80 80 82 84 84 82 81 80 79 79 82 Dewpt 76 76 77 76 76 76 76 76 76 75 76 76 75 76 76 76 76 75 76 76 76 76 RH 80 85 91 91 91 82 77 77 82 82 85 88 85 82 77 77 82 82 88 91 91 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 13 16 17 14 13 14 14 14 16 18 19 19 20 19 19 18 18 19 20 19 16 17 Clouds SC SC CL SC B1 B1 B1 SC SC SC B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 40 30 30 30 QPF 12hr 0.15 0.23 0.12 0.12 0.07 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC SC SC SC SC SC IS SC SC IS IS SC SC SC SC IS Heat index 91 87 86 85 84 90 93 93 90 87 86 85 85 90 92 93 89 86 85 84 83 90 Max heat 103 91 96 102 101 91 96 102 101 91 97 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 85 78 85 78 85 78 86 78 87 Temp 85 80 79 82 85 80 78 82 85 80 78 82 86 80 79 83 87 81 Dewpt 76 76 76 76 75 75 75 76 75 75 75 76 75 75 76 76 75 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ GN BZ GN BZ GN Avg clouds SC SC SC SC B1 B1 B2 B1 SC SC FW FW FW SC SC SC SC B1 PoP 12hr 30 30 50 50 30 0 30 30 40 Rain shwrs IS IS SC SC SC SC SC SC IS IS IS IS SC SC SC SC $$ VIZ002-290800- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 PM AST Mon Sep 28 2026 Date 09/28/26 Tue 09/29/26 Wed 09/30/26 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 76 78 82 82 85 90 76 78 82 82 85 90 74 76 82 Temp 83 81 79 78 78 82 85 85 82 80 79 78 78 82 85 85 82 79 78 77 76 82 Dewpt 77 77 77 77 76 77 77 76 76 76 76 76 75 76 76 76 76 76 76 76 76 77 RH 82 88 94 97 94 85 77 75 82 88 91 94 91 82 75 75 82 91 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 13 13 14 12 12 13 14 14 14 16 17 18 17 18 19 18 17 17 17 16 14 16 Clouds B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 PoP 12hr 40 30 20 20 30 QPF 12hr 0.11 0.15-0.20 0.08 0.09 0.05 Snow 12hr MM MM MM Rain shwrs SC SC IS IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS SC Heat index 92 87 84 81 81 91 95 95 90 86 84 80 80 90 95 95 88 82 90 Max heat 104 91 96 103 102 91 96 103 101 91 95 Date 10/01 Fri 10/02/26 Sat 10/03/26 Sun 10/04/26 Mon 10/05/26 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 77 86 77 86 77 87 77 88 Temp 86 80 78 82 86 80 78 82 86 80 78 83 87 80 78 83 88 80 Dewpt 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 77 71 75 PWind dir E E E E E E E E E Wind char BZ BZ BZ GN GN GN GN GN GN Avg clouds B1 B1 B1 B1 B1 SC SC SC SC SC FW FW FW SC SC SC SC SC PoP 12hr 40 40 40 30 20 5 10 10 40 Rain shwrs SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS SC $$