Area Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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091 FOCA52 TJSJ 140631 AFMSJU Area Forecast Matrices National Weather Service San Juan PR 231 AM AST Mon Sep 14 2026 PRZ001-142000- San Juan and Vicinity- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, and Trujillo Alto 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 89 91 73 77 82 82 90 92 73 77 82 84 91 93 Temp 77 84 88 89 84 81 79 78 77 85 89 90 84 81 79 78 77 85 90 91 85 82 Dewpt 75 77 76 76 76 76 76 76 75 76 77 77 77 76 76 75 75 76 76 76 77 77 RH 94 80 68 66 77 85 91 94 94 75 68 66 80 85 91 91 94 75 64 62 77 85 Wind dir SE E E E E E E E E E E E E E E E E E E E E E Wind spd 4 8 12 14 12 8 6 5 4 9 13 13 11 9 8 8 6 10 13 14 13 8 Wind gust 25 25 25 Clouds SC B1 B1 B2 B1 CL FW FW SC SC SC B1 B1 FW FW SC SC FW FW SC SC SC PoP 12hr 50 30 50 10 30 QPF 12hr 0.24-0.81 0.02-0.07 0.24-0.71 0.00-0.07 0.03-0.30 Snow 12hr MM MM MM Rain shwrs IS SC SC SC SC IS SC IS IS SC SC IS IS IS IS IS IS SC SC SC Tstms IS IS Heat index 93 99100 93 87 83 80 94100102 94 87 83 95101103 96 89 Max heat 100 106 105 92 100 111 109 92 101 112 111 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 91 78 91 77 90 76 90 Temp 79 85 91 81 78 85 91 81 78 85 90 81 77 84 90 81 Dewpt 76 78 79 77 76 77 77 76 76 76 77 76 75 76 77 76 PWind dir E E SE E SE E SE SE Wind char LT GN LT GN LT GN LT GN Avg clouds SC B1 B1 B2 B2 B1 SC SC SC SC SC B1 SC SC SC B1 PoP 12hr 50 60 60 40 20 50 30 50 Rain shwrs SC SC SC SC SC SC IS SC IS IS IS SC SC IS IS SC Tstms IS IS IS IS $$ PRZ002-142000- Northeast- Including the cities of Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, and Rio Grande 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 87 91 67 77 82 75 87 92 67 77 82 75 88 94 Temp 78 83 86 87 83 81 79 78 77 83 86 87 83 80 79 78 77 84 87 88 84 81 Dewpt 74 75 75 73 75 74 75 74 74 75 75 75 75 74 74 74 74 75 74 74 75 75 RH 88 77 70 63 77 79 88 88 90 77 70 68 77 82 85 88 90 74 65 63 74 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 8 10 10 11 10 9 9 9 8 11 12 12 9 9 9 9 9 11 13 12 11 9 Wind gust 19 19 19 19 19 19 Clouds B1 B1 B1 B1 B1 SC SC SC B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B2 PoP 12hr 40 40 50 50 60 QPF 12hr 0.15-0.75 0.06-0.13 0.40-0.73 0.06-0.12 0.17-0.32 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC IS IS SC SC SC SC SC SC SC SC SC SC IS IS SC SC NM Tstms IS IS IS Heat index 80 90 94 94 89 85 83 80 90 95 96 90 85 82 80 91 96 97 92 87 Max heat 97 102 100 91 96 104 102 91 97 105 104 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 88 78 88 77 88 77 88 Temp 78 84 88 81 78 84 88 81 78 84 88 80 78 83 88 80 Dewpt 75 76 76 75 75 76 75 74 74 75 74 74 74 74 74 74 PWind dir E E E E E E SE SE Wind char GN GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 60 60 30 40 40 40 50 Rain shwrs NM NM NM NM NM NM IS SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS IS $$ PRZ003-142000- Southeast- Including the cities of Arroyo, Guayama, Maunabo, Patillas, Salinas, and Yabucoa 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 78 87 91 69 77 82 78 87 93 69 77 82 78 88 94 Temp 77 83 86 87 83 80 79 78 77 83 86 87 83 80 79 78 77 83 87 88 84 81 Dewpt 74 75 75 74 75 74 74 74 73 74 74 73 74 74 74 74 73 74 73 73 75 75 RH 90 77 70 65 77 82 85 88 87 74 68 63 74 82 85 88 87 74 63 61 74 82 Wind dir E E E E E E E E NE E E E E E E E E E E E E E Wind spd 6 9 11 12 10 8 8 8 8 8 13 12 9 9 8 8 8 11 13 13 11 8 Wind gust 24 27 23 18 31 27 20 23 28 27 24 19 Clouds B1 SC B1 FW SC FW SC SC SC SC SC B1 B1 SC SC SC SC FW FW FW FW B1 PoP 12hr 40 20 40 30 50 QPF 12hr 0.03-0.39 0.01-0.11 0.09-0.49 0.01-0.10 0.01-0.18 Snow 12hr MM MM MM Rain shwrs SC IS SC IS IS IS IS IS SC IS IS SC SC IS IS SC SC IS IS IS IS SC Tstms IS Heat index 89 95 95 90 84 82 89 94 95 89 84 81 90 95 96 91 86 Max heat 97 105 103 91 98 106 105 90 99 107 106 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 87 77 88 77 88 76 87 Temp 78 83 87 80 78 83 88 80 78 83 88 80 77 83 87 80 Dewpt 75 76 76 75 75 75 73 74 74 74 74 74 74 74 74 74 PWind dir E E E E E E E SE Wind char GN GN GN GN LT GN LT LT Avg clouds B1 B1 B2 B2 B2 B1 SC FW SC SC SC B1 B1 SC SC SC PoP 12hr 60 60 60 20 20 40 40 30 Rain shwrs SC NM NM NM NM NM IS IS IS IS SC SC SC SC IS SC Tstms IS IS IS IS IS IS $$ PRZ004-142000- Eastern Interior- Including the cities of Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, and San Lorenzo 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 77 86 91 69 74 78 76 86 92 69 74 77 77 87 93 Temp 74 81 85 86 81 78 76 75 74 81 85 86 81 78 76 75 74 82 86 87 82 78 Dewpt 72 74 74 73 73 73 74 73 72 74 74 74 74 73 73 73 72 74 73 73 74 74 RH 93 79 70 65 77 85 94 94 93 79 70 68 79 85 90 94 93 77 65 63 77 88 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 3 6 10 11 9 5 4 4 3 5 11 11 9 5 4 4 4 8 11 11 10 4 Clouds B1 SC B1 B1 B1 FW FW FW SC SC SC B1 B1 FW FW SC SC FW FW SC SC B1 PoP 12hr 50 30 50 20 30 QPF 12hr 0.15-0.81 0.01-0.09 0.13-0.73 0.00-0.09 0.02-0.31 Snow 12hr MM MM MM Rain shwrs SC SC SC SC SC IS IS SC IS SC SC SC IS IS IS IS IS IS IS IS SC Tstms IS IS IS Heat index 86 92 92 84 86 92 93 85 87 93 94 87 81 Max heat 97 105 102 88 97 106 104 86 98 106 105 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 86 74 87 74 87 73 86 Temp 75 81 86 78 75 82 87 78 75 81 87 77 74 81 86 77 Dewpt 74 76 76 74 74 75 74 74 73 74 73 73 72 74 74 73 PWind dir E E E E E E SE SE Wind char LT GN LT LT LT LT LT LT Avg clouds B1 B1 B2 B2 B2 B1 SC SC SC SC B1 B1 B1 SC SC B1 PoP 12hr 50 60 60 30 20 50 30 40 Rain shwrs SC SC SC NM NM NM IS IS IS IS SC SC SC SC IS SC Tstms IS IS IS IS IS IS IS $$ PRZ005-142000- North Central- Including the cities of Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, and Vega Baja 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 88 91 73 76 82 84 89 93 73 76 82 85 91 94 Temp 76 83 87 88 83 80 78 77 76 84 88 89 83 80 78 77 76 84 89 91 85 81 Dewpt 74 77 77 76 76 76 75 75 74 77 77 77 77 76 75 75 74 76 77 77 77 76 RH 94 82 72 68 80 88 91 94 94 80 70 68 82 88 91 94 94 77 68 64 77 85 Wind dir SE E E NE E E SE SE E E E NE E E E E E E E E E E Wind spd 4 5 12 16 13 10 6 4 4 9 14 14 12 10 8 8 6 9 12 17 17 12 Wind gust 28 26 28 25 29 31 24 Clouds SC SC SC SC B1 CL FW CL FW FW FW B1 B1 CL CL FW FW FW FW SC SC FW PoP 12hr 30 5 40 5 30 QPF 12hr 0.15-1.08 0.01 0.15-1.12 0 0.02-0.69 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC IS IS IS SC SC IS IS Tstms IS IS IS IS Heat index 92100100 92 85 93101102 93 84 94102103 95 87 Max heat 100 106 105 92 99 112 111 92 100 112 111 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 91 76 91 75 90 75 90 Temp 77 85 91 81 77 85 91 80 76 84 90 79 76 83 90 79 Dewpt 76 78 79 77 76 78 78 77 75 77 78 76 74 76 77 76 PWind dir E E E E SE E SE E Wind char LT GN LT GN LT GN LT LT Avg clouds FW FW SC B2 SC SC SC SC FW FW SC B1 SC SC SC B1 PoP 12hr 5 70 20 40 5 60 10 60 Rain shwrs IS NM NM SC SC SC SC IS IS NM NM IS IS IS IS Tstms IS IS IS IS IS IS IS $$ PRZ006-142000- Central Interior- Including the cities of Aibonito, Barranquitas, Ciales, Coamo, Corozal, Jayuya, Morovis, Naranjito, Orocovis, and Villalba 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 84 91 64 73 77 75 84 91 63 72 77 75 85 93 Temp 72 79 83 84 79 76 74 73 73 79 83 84 79 76 74 73 72 80 84 85 80 77 Dewpt 71 73 73 72 73 72 72 72 71 73 73 72 73 72 72 72 71 72 72 71 72 72 RH 97 82 72 67 82 87 93 97 93 82 72 67 82 87 93 97 97 77 67 63 77 85 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 3 5 9 9 8 5 3 3 3 5 10 10 8 5 3 4 4 6 10 11 10 5 Wind gust 24 27 21 29 27 19 20 28 27 23 Clouds FW FW B1 B1 B2 CL CL CL FW FW FW B2 B2 CL CL CL CL FW FW SC SC FW PoP 12hr 50 0 60 5 10 QPF 12hr 0.10-1.18 0.01 0.13-1.35 0 0.01-0.41 Snow 12hr MM MM MM Rain shwrs IS IS SC SC SC IS NM NM IS IS IS Tstms IS IS IS IS Heat index 82 88 89 82 82 88 89 82 83 90 90 83 Max heat 95 105 103 86 95 105 104 85 97 107 106 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 85 73 85 72 85 72 84 Temp 74 80 85 76 74 80 85 76 73 79 85 76 73 79 84 75 Dewpt 73 74 74 73 73 74 72 72 72 73 73 72 71 73 73 72 PWind dir E E E E E E SE SE Wind char LT GN LT LT LT LT LT LT Avg clouds FW FW B1 B2 B1 SC SC SC FW FW SC B1 SC SC SC B1 PoP 12hr 20 60 50 30 5 60 10 60 Rain shwrs IS IS IS SC SC SC IS SC IS NM NM IS IS NM NM Tstms IS IS IS IS IS IS $$ PRZ007-142000- Ponce and Vicinity- Including the cities of Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, and Santa Isabel 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 87 93 63 76 82 75 88 94 63 75 82 75 89 94 Temp 76 82 86 87 82 80 78 77 76 83 87 88 83 79 77 76 76 83 88 89 83 80 Dewpt 71 72 74 73 74 73 72 71 71 72 72 73 73 73 72 72 71 72 71 72 74 73 RH 85 72 68 63 77 79 82 82 85 70 61 61 72 82 85 87 85 70 57 57 74 79 Wind dir NE E E SE SE E E NE NE E E SE E E NE NE E E E SE E E Wind spd 3 4 11 12 9 6 5 4 4 4 12 12 9 6 4 5 5 9 12 13 10 8 Wind gust 14 25 27 25 18 14 14 29 28 21 17 14 16 16 20 28 28 27 19 Clouds FW FW FW SC B1 CL FW CL CL FW CL B1 B1 CL CL CL CL FW FW SC SC FW PoP 12hr 40 0 50 5 20 QPF 12hr 0.06-1.26 0 0.09-1.30 0 0.01-0.54 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC SC SC IS IS IS Tstms IS IS IS IS Heat index 87 95 95 89 83 80 87 93 95 88 83 88 93 96 90 84 Max heat 94 106 105 91 95 106 105 91 95 106 105 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 88 76 88 76 88 75 87 Temp 77 83 88 80 77 83 88 79 76 83 88 79 76 82 87 79 Dewpt 72 74 74 73 73 73 73 73 71 72 73 73 72 72 73 73 PWind dir E E E E E E E SE Wind char LT GN LT GN LT LT LT LT Avg clouds FW SC SC B1 B1 SC SC SC CL FW SC B1 FW FW SC SC PoP 12hr 10 50 30 20 5 50 5 50 Rain shwrs IS IS IS SC SC SC IS IS IS IS SC IS IS SC SC Tstms IS IS $$ PRZ008-142000- Northwest- Including the cities of Aguadilla, Camuy, Hatillo, Isabela, and Quebradillas 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 86 91 71 75 82 85 87 94 70 74 82 85 89 94 Temp 74 82 85 86 81 79 77 76 75 82 86 87 82 78 76 75 75 83 87 89 83 79 Dewpt 73 75 76 75 76 76 75 74 73 75 76 76 76 76 75 73 73 75 76 76 76 76 RH 97 79 75 70 85 91 94 94 94 79 72 70 82 94 97 94 94 77 70 66 80 91 Wind dir E E NE NE E E E E E E E NE E E E E E E E NE NE E Wind spd 5 6 10 10 10 9 6 8 8 9 12 12 9 9 8 10 9 8 10 14 13 13 Wind gust 24 24 19 23 25 21 20 27 28 26 Clouds FW SC FW B1 B1 CL FW CL FW CL CL B2 B2 FW FW CL CL FW FW B2 B2 FW PoP 12hr 40 0 60 5 60 QPF 12hr 0.29-1.15 0.01 0.25-1.21 0 0.18-0.77 Snow 12hr MM MM MM Rain shwrs IS IS IS SC SC NM NM NM NM Tstms IS IS IS IS IS IS Heat index 88 95 96 88 81 89 97 98 89 80 89 98 99 91 82 Max heat 94 106 102 92 96 109 107 92 95 109 107 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 75 89 75 89 74 88 74 87 Temp 76 83 89 79 76 83 89 79 75 82 88 78 75 82 87 78 Dewpt 74 76 78 77 74 76 77 76 74 75 76 75 73 75 76 75 PWind dir E E E E E E SE E Wind char GN GN LT GN GN GN LT LT Avg clouds FW FW SC B2 SC SC SC B2 SC FW SC B1 SC SC SC B1 PoP 12hr 5 70 20 70 10 60 20 60 Rain shwrs NM NM IS IS NM NM IS IS NM NM IS IS NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ009-142000- Western Interior- Including the cities of Adjuntas, Lares, Las Marias, Maricao, Sabana Grande, San Sebastian, and Utuado 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 74 84 91 66 72 77 75 85 94 66 72 76 75 86 94 Temp 72 79 83 84 79 76 74 73 72 80 84 85 79 76 74 73 72 80 85 86 80 77 Dewpt 70 72 73 73 73 73 72 71 70 72 73 74 73 73 72 71 70 72 73 73 73 73 RH 93 79 72 70 82 90 93 93 93 77 70 70 82 90 93 93 93 77 67 65 79 87 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 3 3 5 4 3 4 3 3 4 4 6 5 3 3 3 4 4 5 6 6 5 5 Wind gust 24 23 14 21 24 14 13 19 24 25 Clouds CL FW SC B2 B2 CL CL CL CL CL CL OV OV CL CL CL CL FW FW B2 B2 FW PoP 12hr 70 0 70 5 70 QPF 12hr 0.52-1.46 0 0.39-1.55 0 0.08-0.82 Snow 12hr MM MM MM Rain shwrs IS NM NM NM NM NM NM Tstms IS IS IS IS IS IS Heat index 82 90 91 82 83 90 92 83 84 91 92 84 Max heat 94 106 105 86 95 111 110 86 95 109 108 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 73 86 73 86 72 85 72 85 Temp 74 80 86 77 74 80 86 76 73 80 85 76 73 79 85 76 Dewpt 72 73 76 73 72 73 74 73 71 72 74 73 71 72 74 73 PWind dir E E E E E E SE E Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW SC B2 SC SC SC B1 FW FW SC B1 SC SC SC B1 PoP 12hr 5 70 20 70 0 60 10 60 Rain shwrs NM NM IS IS IS NM IS IS NM NM IS IS NM NM Tstms IS IS IS IS IS IS IS IS $$ PRZ010-142000- Mayaguez and Vicinity- Including the cities of Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, and San German 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 89 92 68 75 82 78 90 94 68 75 82 77 91 94 Temp 75 83 88 89 83 80 78 76 76 84 89 90 84 80 78 76 76 84 89 91 84 80 Dewpt 72 75 76 76 77 76 75 74 73 75 76 77 77 76 75 74 72 75 76 76 77 76 RH 90 77 68 66 82 88 91 94 90 74 66 66 80 88 91 94 87 74 66 62 80 88 Wind dir E E E E E E E E E E E E E E E E E E E NE NE E Wind spd 3 4 4 4 5 5 5 6 6 8 5 5 4 4 5 8 6 5 5 6 6 9 Wind gust 13 16 14 16 19 18 17 17 16 18 17 17 18 18 17 24 Clouds FW FW FW B2 B2 FW FW FW CL FW CL B2 B2 SC SC FW FW FW FW B2 B2 FW PoP 12hr 70 0 70 10 60 QPF 12hr 0.05-1.40 0.00-0.12 0.03-1.54 0.00-0.18 0.01-0.81 Snow 12hr MM MM MM Rain shwrs IS NM NM NM NM IS IS NM NM Tstms IS IS IS IS IS IS Heat index 91 99100 92 84 92101103 93 84 92102103 95 86 Max heat 98 107 106 92 100 113 111 92 99 113 111 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 91 76 91 75 91 75 90 Temp 77 85 91 80 77 85 91 80 76 84 91 80 76 84 90 79 Dewpt 74 76 79 77 75 76 78 77 74 75 77 76 74 75 77 76 PWind dir E E E E E E E E Wind char LT GN LT LT LT LT LT LT Avg clouds FW FW SC B1 SC SC B1 B1 SC FW SC B1 SC SC SC B1 PoP 12hr 5 60 20 70 10 60 30 50 Rain shwrs NM IS IS IS IS NM IS IS NM NM IS IS SC SC Tstms IS IS IS IS IS IS IS $$ PRZ011-142000- Southwest- Including the cities of Cabo Rojo, Guanica, and Lajas 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 90 91 73 76 82 85 92 94 73 76 82 85 93 94 Temp 77 84 89 90 84 81 79 77 77 85 91 92 85 81 79 77 77 86 91 93 86 82 Dewpt 72 72 77 76 77 75 74 72 71 72 73 75 75 75 75 73 73 74 72 75 76 76 RH 85 67 68 64 80 82 85 85 82 65 56 58 72 82 88 87 87 68 54 56 72 82 Wind dir E E SE E E E E E E E SE E E E E E E E E SE E E Wind spd 4 4 12 13 9 8 9 4 5 4 11 14 9 8 6 4 8 11 13 14 5 9 Wind gust 27 28 20 18 21 25 29 20 19 17 14 19 24 28 29 16 20 Clouds FW FW CL SC B1 CL CL FW CL FW CL B1 B1 FW FW CL CL FW FW SC SC FW PoP 12hr 30 0 40 5 10 QPF 12hr 0.16-1.01 0 0.09-0.85 0.01 0.02-0.30 Snow 12hr MM MM MM Rain shwrs IS SC SC SC IS IS IS IS IS Tstms IS Heat index 90101103 95 87 80 91100103 94 86 80 93 99103 95 88 Max heat 94 106 105 92 95 110 109 92 96 111 109 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 93 77 93 76 92 76 92 Temp 78 86 93 82 78 86 93 81 77 86 92 81 77 85 92 81 Dewpt 74 75 76 76 74 75 75 76 73 73 75 75 74 73 75 75 PWind dir E E E E E SE E SE Wind char GN BZ GN GN LT LT LT GN Avg clouds FW SC SC B1 SC SC SC SC FW FW FW SC SC SC SC SC PoP 12hr 10 50 30 30 0 40 10 30 Rain shwrs IS IS SC SC IS IS SC IS SC SC IS IS SC IS $$ PRZ012-142000- Culebra- Including the city of Culebra 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 84 87 91 81 85 88 94 81 85 89 94 Temp 81 85 86 87 84 83 82 81 81 85 87 88 85 83 82 81 81 86 88 89 86 84 Dewpt 76 77 76 76 76 77 77 76 76 77 76 77 77 76 77 76 76 77 77 77 78 77 RH 85 77 72 70 77 82 85 85 85 77 70 70 77 80 85 85 85 75 70 68 77 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 16 17 16 14 16 16 18 16 14 17 17 16 13 13 18 18 14 14 17 17 16 17 Clouds SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 SC SC B1 B1 B2 PoP 12hr 30 30 50 50 60 QPF 12hr 0.17-0.23 0.08 0.27-0.40 0.11 0.17 Snow 12hr MM MM MM Rain shwrs SC IS SC IS IS IS SC IS IS SC SC SC SC SC SC SC SC IS IS SC SC NM Tstms IS Heat index 89 95 96 97 94 92 90 88 88 95 98 99 95 91 90 88 88 96100101 97 93 Max heat 98 103 103 94 100 106 105 93 100 107 107 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 88 81 88 81 88 81 88 Temp 81 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83 Dewpt 78 78 78 77 77 78 77 76 76 77 76 75 76 76 76 75 PWind dir E E E E E E E SE Wind char BZ BZ BZ GN GN GN GN GN Avg clouds B2 B2 B2 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 60 60 60 30 40 40 40 50 Rain shwrs NM NM NM NM NM NM SC SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS IS $$ PRZ013-142000- Vieques- Including the city of Vieques 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 88 91 80 85 88 92 80 85 89 92 Temp 81 85 87 88 85 83 82 81 80 85 88 88 85 83 81 81 80 85 88 89 85 83 Dewpt 75 76 74 74 74 75 75 75 75 76 75 74 75 74 75 75 74 75 75 75 76 75 RH 82 75 65 63 70 77 79 82 85 75 66 63 72 74 82 82 82 72 66 64 75 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 14 14 16 16 17 16 14 18 16 16 13 14 17 18 14 14 17 17 16 17 Clouds SC SC SC SC SC B1 B1 SC SC B1 B1 B1 B1 B2 B2 B2 B2 SC SC B1 B1 OV PoP 12hr 40 40 50 60 70 QPF 12hr 0.10-0.24 0.12 0.20-0.40 0.12 0.18 Snow 12hr MM MM MM Rain shwrs SC IS IS SC IS SC SC SC IS SC SC SC SC SC SC NM NM IS IS SC SC NM Tstms IS Heat index 86 94 96 96 93 90 88 86 86 94 97 97 93 89 88 86 85 94 98 98 94 90 Max heat 97 102 101 91 97 102 101 91 97 103 102 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 89 81 89 80 88 80 88 Temp 81 85 89 83 81 85 89 83 81 85 88 83 80 85 88 83 Dewpt 77 77 76 75 76 77 75 74 75 76 74 73 74 75 74 74 PWind dir E E E E E E E SE Wind char BZ BZ BZ GN GN GN GN GN Avg clouds OV B2 B2 B2 B2 B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 PoP 12hr 70 60 60 30 40 40 40 50 Rain shwrs NM NM NM NM NM NM IS SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS IS IS $$ VIZ001-142000- St.Thomas...St. John...and Adjacent Islands- Including the cities of Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 86 91 75 80 82 85 87 93 75 80 82 85 87 94 Temp 81 84 85 86 84 82 81 80 80 84 86 87 84 82 81 80 80 84 87 87 85 83 Dewpt 76 76 75 74 74 76 76 76 76 76 75 74 75 75 76 76 75 76 75 75 76 77 RH 85 77 72 68 72 82 85 88 88 77 70 65 74 79 85 88 85 77 68 68 75 82 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 16 16 16 14 16 16 18 17 17 18 18 17 14 14 18 17 16 17 18 18 18 18 Clouds SC SC SC FW SC FW SC SC CL SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B2 PoP 12hr 20 20 50 50 60 QPF 12hr 0.02-0.19 0.05 0.05-0.12 0.10 0.16 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS IS IS IS IS SC IS IS SC SC SC SC IS IS SC SC NM Tstms IS Heat index 87 92 94 94 91 89 87 86 86 93 95 96 92 89 88 86 86 93 96 97 93 91 Max heat 99 103 102 93 100 105 104 93 100 107 106 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 87 81 87 80 87 80 87 Temp 81 85 87 83 81 84 87 82 80 84 87 82 80 84 87 82 Dewpt 77 77 76 76 77 77 75 76 76 75 74 74 75 75 74 74 PWind dir E E E E E E E SE Wind char BZ BZ BZ GN GN GN GN GN Avg clouds B2 B2 B2 B2 B1 SC SC SC SC B1 B1 SC SC B1 B1 B1 PoP 12hr 60 60 40 30 40 40 40 40 Rain shwrs NM NM NM NM SC IS IS SC SC SC SC SC SC SC SC SC Tstms IS IS IS IS $$ VIZ002-142000- St Croix- Including the cities of Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 231 AM AST Mon Sep 14 2026 Date Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 87 92 80 85 88 94 80 85 88 94 Temp 80 84 87 87 84 83 81 80 80 85 87 88 85 83 81 80 80 85 88 88 85 83 Dewpt 76 76 76 76 75 76 77 76 76 76 76 76 76 76 76 76 76 76 76 77 77 78 RH 88 77 70 70 74 80 88 88 88 75 70 68 75 80 85 88 88 75 68 70 77 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 16 14 13 14 14 16 14 14 17 17 16 14 12 16 14 13 16 18 16 16 16 Clouds SC FW SC FW SC SC SC SC SC SC SC SC SC B2 B2 SC SC SC SC B1 B1 B2 PoP 12hr 30 30 50 50 60 QPF 12hr 0.03-0.12 0.09 0.04-0.10 0.06 0.16 Snow 12hr MM MM MM Rain shwrs IS IS IS IS IS SC SC SC IS IS IS IS IS SC SC IS IS IS IS SC SC NM Tstms IS Heat index 87 94 97 97 93 91 88 86 86 94 98 98 93 90 88 86 86 94 99100 95 92 Max heat 99 105 103 93 100 108 106 93 100 109 108 Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 88 80 88 80 88 80 88 Temp 81 85 88 83 81 85 88 83 80 85 88 82 80 85 88 82 Dewpt 78 78 77 77 77 77 76 76 76 76 76 75 76 76 75 76 PWind dir E E E E E E E SE Wind char BZ BZ BZ GN GN GN GN GN Avg clouds B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 60 60 30 10 20 30 30 30 Rain shwrs NM NM NM NM SC IS IS IS IS IS IS IS SC SC SC SC Tstms IS IS IS IS $$