FOUS52 KKEY 042042 PFMKEY Point Forecast Matrices National Weather Service Key West FL 442 PM EDT Tue Aug 4 2026 FLZ078-050800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 442 PM EDT Tue Aug 4 2026 Date 08/04/26 Wed 08/05/26 Thu 08/06/26 Fri 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 82 92 81 Temp 90 86 84 84 84 84 88 90 90 86 84 84 83 84 88 90 90 86 84 83 82 83 Dewpt 76 76 77 77 77 77 77 77 78 77 78 77 77 77 77 77 78 77 77 77 77 77 RH 64 72 80 80 80 80 70 66 68 75 82 80 82 80 70 66 68 75 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 3 5 6 8 8 6 8 9 9 11 10 12 10 11 12 11 12 12 12 11 11 11 Clouds B2 B2 B1 B1 B1 SC SC B1 B1 B2 B1 B1 SC SC SC SC SC B1 SC SC SC SC PoP 12hr 40 60 50 50 60 QPF 12hr 0.23 0.25 0.02 0.05 0.10 Rain shwrs C C C C C L L L L C C C C C C C C L L L L C Tstms C S S S S C C C C C C C C C C C C C C C C C Heat index 102 96 94 94 94 94100103105 97 95 94 92 94100103105 97 94 92 90 92 Max heat 103 96 94 103 106 97 94 103 105 96 92 Date 08/07 Sat 08/08/26 Sun 08/09/26 Mon 08/10/26 Tue 08/11/26 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 81 92 83 92 82 92 82 92 Temp 89 87 84 84 90 87 84 85 90 87 84 85 90 87 84 85 90 88 Dewpt 77 77 78 77 77 78 78 78 78 78 78 78 78 78 78 78 78 78 PWind dir E E SE E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW FW FW PoP 12hr 30 30 20 20 20 30 20 10 10 Rain shwrs C C C C S S S S S S C C S S S S Tstms C C C C S S S S S S C C S S $$ FLZ077-050800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 442 PM EDT Tue Aug 4 2026 Date 08/04/26 Wed 08/05/26 Thu 08/06/26 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 90 82 90 82 Temp 88 86 85 85 84 84 87 88 88 86 85 84 83 84 87 88 88 86 85 84 83 84 Dewpt 75 76 76 77 77 77 77 77 77 77 77 78 77 77 77 77 77 77 77 78 77 77 RH 66 72 75 77 80 80 72 70 70 75 77 82 82 80 72 70 70 75 77 82 82 80 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 3 6 6 8 8 8 9 9 9 12 10 11 10 11 12 12 12 11 11 10 11 10 Clouds B1 B1 B1 SC B1 SC SC B1 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC SC PoP 12hr 40 60 50 50 60 QPF 12hr 0.02 0.22 0.02 0.04 0.09 Rain shwrs C C C C C L L L L C C C C C C C C L L L L C Tstms C S S S S C C C C C C C C C C C C C C C C C Heat index 98 96 94 96 94 94 99100100 97 96 95 92 94 99100100 97 96 95 92 94 Max heat 101 96 94 100 102 97 95 100 100 97 94 Date 08/07 Sat 08/08/26 Sun 08/09/26 Mon 08/10/26 Tue 08/11/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 82 90 82 90 83 90 83 90 Temp 88 87 85 83 88 87 85 83 88 88 86 85 88 87 86 85 89 88 Dewpt 77 77 78 77 78 77 78 77 78 78 78 78 78 78 78 78 78 77 PWind dir E E SE E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC B1 B1 SC SC SC SC SC FW SC SC SC SC SC FW FW FW PoP 12hr 30 30 20 30 20 30 30 20 10 Rain shwrs C C C C S S C C S S C C C C S S Tstms C C C C S S C C S S C C C C S S $$