


Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
323 FOUS52 KKEY 092004 PFMKEY Point Forecast Matrices National Weather Service Key West FL 404 PM EDT Sat Aug 9 2025 FLZ078-100800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 404 PM EDT Sat Aug 9 2025 Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue 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 88 81 90 83 Temp 87 83 81 81 81 82 86 88 88 84 82 82 82 83 87 90 90 86 84 84 84 85 Dewpt 77 76 76 77 77 77 78 78 77 77 77 76 77 77 78 78 77 77 77 77 77 77 RH 72 80 85 88 88 85 77 72 70 80 85 82 85 82 75 68 66 75 80 80 80 77 Wind dir SE SE SE S S S S SE S S SE E E E E E E E E E SE SE Wind spd 3 3 6 9 9 8 6 5 3 1 3 6 9 9 9 8 8 10 11 12 11 10 Clouds SC B1 SC B1 B1 SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 70 70 40 40 40 QPF 12hr 0.51 0.88 0.07 0.07 0.06 Rain shwrs C L L L L L L L L C C C C C C C C C C C C C Tstms C C C C C C C C C S S S S S S S S S S S S S Heat index 99 91 87 88 88 90 98102100 94 90 89 90 92100105103 97 94 94 94 96 Max heat 99 90 90 102 102 92 92 105 105 96 96 Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 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 82 91 83 91 83 90 82 91 Temp 91 86 84 84 91 87 84 85 91 87 84 84 90 86 83 84 91 87 Dewpt 77 77 77 78 78 77 77 77 78 77 76 77 77 77 77 77 77 77 PWind dir SE E E E E E E E E Wind char GN GN LT LT LT LT LT GN LT Avg clouds FW FW SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 40 40 40 40 40 40 40 40 40 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms S S S S S S S S S S S S S S S S S S $$ FLZ077-100800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 404 PM EDT Sat Aug 9 2025 Date 08/09/25 Sun 08/10/25 Mon 08/11/25 Tue EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 90 81 90 82 Temp 87 85 82 81 80 82 87 90 89 86 84 82 81 83 87 90 89 87 84 83 82 84 Dewpt 76 76 75 75 76 76 76 76 76 75 76 75 76 76 77 77 77 76 77 77 77 77 RH 70 75 79 82 88 82 70 64 66 70 77 79 85 80 72 66 68 70 80 82 85 80 Wind dir SE SE SE SE SE SE SE SE SE SE E E E E E E E E E E E SE Wind spd 4 5 8 9 8 6 6 6 4 2 4 6 10 11 10 9 9 10 10 11 10 10 Clouds B1 B1 SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 60 60 40 40 40 QPF 12hr 0.24 0.31 0.11 0.07 0.06 Rain shwrs C L L L L L L L L C C C C C C C C C C C C C Tstms C C C C C C C C C S S S S S S S S S S S S S Heat index 98 94 89 87 86 89 98102100 95 93 89 87 91 99103102 98 94 92 90 94 Max heat 99 92 89 102 102 94 91 103 103 96 94 Date 08/12 Wed 08/13/25 Thu 08/14/25 Fri 08/15/25 Sat 08/16/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 82 92 82 92 82 91 81 90 Temp 91 87 83 84 92 88 83 84 92 88 83 84 91 87 82 83 90 87 Dewpt 77 77 76 76 77 76 76 77 77 76 76 76 77 76 76 77 76 77 PWind dir SE E E E E E E E E Wind char GN LT LT LT LT LT LT GN LT Avg clouds FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 40 40 40 40 40 40 40 40 40 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms S S S S S S S S S S S S S S S S S S $$