


Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
527 FOUS52 KKEY 021951 PFMKEY Point Forecast Matrices National Weather Service Key West FL 351 PM EDT Tue Sep 2 2025 FLZ078-030800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 351 PM EDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 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 80 91 80 91 79 Temp 89 84 83 83 82 83 87 89 89 84 83 82 81 83 88 89 89 84 83 81 82 84 Dewpt 78 77 77 77 77 77 77 77 77 76 77 77 77 77 77 78 78 77 77 77 78 77 RH 70 80 82 82 85 82 72 68 68 77 82 85 88 82 70 70 70 80 82 88 88 80 Wind dir W W W W W W W W W W W W W W W W W SW SW SW SW SW Wind spd 11 11 11 9 9 6 8 10 11 11 9 8 11 11 12 13 12 11 13 14 9 9 Clouds B1 B1 B1 SC SC SC B1 B1 B1 B2 B2 B1 SC SC B1 B1 B1 B2 B2 B1 B1 B1 PoP 12hr 70 80 80 80 80 QPF 12hr 0.11 0.41 0.25 0.67 0.40 Rain shwrs L L L L L D D D D D D D D D D D D D D D D D Tstms C C C C C C C C C C C C C C C C C C C C C C Heat index 103 94 92 92 90 92 99102102 93 92 90 88 92100103103 94 92 88 91 94 Max heat 105 94 92 102 102 93 92 103 103 94 94 Date 09/05 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 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 91 80 91 80 92 81 92 Temp 89 84 82 84 89 85 82 82 89 85 82 83 90 85 83 83 90 85 Dewpt 78 77 77 77 77 77 77 77 77 76 77 77 77 77 77 77 78 77 PWind dir W SW SW SE E E E E SE Wind char GN GN LT LT LT GN GN GN GN Avg clouds B1 B1 B2 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 SC SC PoP 12hr 80 50 50 50 50 40 50 40 40 Rain shwrs D D C C C C C C C C C C C C C C C C Tstms C C C C C C C C C C C C C C C C C C $$ FLZ077-030800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 351 PM EDT Tue Sep 2 2025 Date 09/02/25 Wed 09/03/25 Thu 09/04/25 Fri EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 79 90 80 Temp 88 86 84 84 82 83 87 88 88 85 83 82 80 83 86 88 88 85 83 82 82 84 Dewpt 77 76 76 77 76 76 77 76 76 76 75 76 76 76 77 76 76 76 75 76 76 76 RH 70 72 77 80 82 80 72 68 68 75 77 82 88 80 75 68 68 75 77 82 82 77 Wind dir W W W W W W W W W W W W W W W W W W SW SW W W Wind spd 12 11 12 9 10 8 8 10 11 11 9 8 11 12 12 12 12 12 13 13 9 9 Clouds B1 B1 SC SC SC SC B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 PoP 12hr 60 80 80 80 80 QPF 12hr 0.71 0.81 0.16 0.52 0.38 Rain shwrs L L L L L D D D D D D D D D D D D D D D D D Tstms C C C C C C C C C C C C C C C C C C C C C C Heat index 100 96 93 94 89 91 99 99 99 94 90 89 86 91 97 99 99 94 90 89 89 93 Max heat 102 94 91 99 99 93 91 99 99 93 93 Date 09/05 Sat 09/06/25 Sun 09/07/25 Mon 09/08/25 Tue 09/09/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 90 80 90 80 90 81 90 Temp 88 85 82 84 88 85 82 83 88 85 82 83 88 85 83 83 88 85 Dewpt 77 75 76 75 76 75 76 76 76 75 76 75 76 75 77 76 76 76 PWind dir SW SW SW SE SE E E E E Wind char GN GN LT LT LT GN GN GN GN Avg clouds B1 B1 B2 B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 SC SC PoP 12hr 80 50 50 50 50 50 50 50 50 Rain shwrs D D C C C C C C C C C C C C C C C C Tstms C C C C C C C C C C C C C C C C C C $$