Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
391 FOUS52 KKEY 141958 PFMKEY Point Forecast Matrices National Weather Service Key West FL 358 PM EDT Mon Sep 14 2026 FLZ078-150800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 358 PM EDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu EDT 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 82 92 81 91 80 Temp 89 86 85 84 84 84 88 90 90 86 84 84 83 83 88 89 89 84 83 82 81 82 Dewpt 76 75 76 76 76 76 77 77 77 77 77 77 77 77 77 77 77 76 76 76 76 76 RH 66 70 75 77 77 77 70 66 66 75 80 80 82 82 70 68 68 77 80 82 85 82 Wind dir NE E E E E E E E E E E E E E E E E E E E E E Wind spd 4 5 6 8 8 8 8 9 11 12 12 12 12 12 12 11 11 12 12 11 11 10 Clouds FW SC SC SC SC SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC PoP 12hr 30 30 50 50 60 QPF 12hr 0.01 0 0.05 0.29 0.28 Rain shwrs C C C C C C C C C C C C C C C C C L L L L L Tstms S C C C C C C C C C C C C C C C C C C C C C Heat index 100 95 94 93 93 93100103103 97 94 94 92 92100102102 93 91 89 87 89 Max heat 102 94 93 103 105 96 92 102 103 91 89 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 EDT 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 80 90 81 91 80 90 80 90 Temp 89 86 82 82 89 86 82 83 89 86 83 83 89 86 82 83 89 85 Dewpt 76 76 76 76 77 76 77 77 77 76 76 76 76 75 76 76 76 75 PWind dir E E SE E E E E E E Wind char GN GN GN GN LT LT LT LT LT Avg clouds B1 SC SC B1 B1 SC SC SC SC SC SC SC B1 B1 SC B1 B1 B1 PoP 12hr 60 70 60 50 50 40 60 40 60 Rain shwrs L L L L L L C C C C C C L L C C L L Tstms C C L L L L C C C C C C C C C C C C $$ FLZ077-150800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 358 PM EDT Mon Sep 14 2026 Date 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 90 82 89 81 Temp 88 86 86 85 84 83 87 88 88 86 85 85 84 84 87 88 87 84 84 83 82 83 Dewpt 75 75 76 76 76 76 77 77 76 76 77 77 77 77 77 77 76 76 76 76 76 76 RH 66 70 72 75 77 80 72 70 68 72 77 77 80 80 72 70 70 77 77 80 82 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 4 5 8 8 8 8 9 9 12 13 13 12 12 11 11 11 12 14 12 10 10 10 Clouds FW FW FW SC SC SC SC SC SC FW SC SC SC FW SC SC SC SC SC SC SC SC PoP 12hr 30 40 50 50 60 QPF 12hr 0 0.01 0.03 0.27 0.29 Rain shwrs C C C C C C C C C C C C C C C C C L L L L L Tstms S C C C C C C C C C C C C C C C C C C C C C Heat index 98 95 96 94 93 91 99100 99 96 96 96 94 94 99100 98 93 93 91 89 91 Max heat 99 96 94 100 100 96 94 100 100 93 91 Date 09/17 Fri 09/18/26 Sat 09/19/26 Sun 09/20/26 Mon 09/21/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 82 89 82 89 82 88 81 88 Temp 87 86 84 83 87 86 84 84 87 85 84 84 87 85 84 82 87 85 Dewpt 77 76 76 76 77 76 77 77 77 76 76 76 76 75 76 76 76 75 PWind dir E E SE E E E E E E Wind char GN GN GN GN LT LT LT LT LT Avg clouds SC SC SC B1 SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 PoP 12hr 60 70 60 60 60 50 70 50 60 Rain shwrs L L L L L L L L L L C C L L C C L L Tstms C C L L C C C C C C C C C C C C C C $$