Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
841 FOUS52 KKEY 101948 PFMKEY Point Forecast Matrices National Weather Service Key West FL 348 PM EDT Thu Sep 10 2026 FLZ078-110800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 348 PM EDT Thu Sep 10 2026 Date 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun 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 92 86 83 82 82 84 90 91 92 86 83 82 82 84 90 91 92 85 82 81 81 83 Dewpt 78 78 78 78 78 78 78 78 78 78 78 79 78 78 78 79 78 78 78 78 77 77 RH 64 77 85 88 88 82 68 66 64 77 85 91 88 82 68 68 64 80 88 91 88 82 Wind dir E E E E E SE E E E E E SE SE SE SE E E E E SE SE SE Wind spd 8 10 11 11 11 10 8 8 9 10 12 12 12 11 8 9 9 11 11 10 9 8 Clouds SC B1 SC SC SC FW SC SC SC SC SC SC SC SC B1 SC B1 SC SC B1 B1 SC PoP 12hr 30 50 30 60 40 QPF 12hr 0 0.02 0.02 0.03 0.05 Rain shwrs L C C C C C C C C C C C C L L L L C C C C C 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 107 98 93 91 91 95105106107 98 93 92 91 95105108107 97 91 89 88 92 Max heat 107 97 95 106 107 97 95 108 107 95 92 Date 09/13 Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 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 92 82 92 82 92 82 91 81 90 Temp 91 87 84 84 90 87 84 84 90 86 82 83 89 86 82 83 88 86 Dewpt 77 77 77 77 77 77 77 77 77 77 77 77 78 77 77 77 77 76 PWind dir SE E E E E E E E E Wind char GN LT LT GN GN GN GN GN GN Avg clouds SC SC B1 SC SC FW SC SC SC FW SC SC SC FW SC SC SC SC PoP 12hr 40 20 30 60 60 70 70 70 50 Rain shwrs C C S S C C L L L L L L L L L L C C Tstms C C S S C C C C C C C C C C C C C C $$ FLZ077-110800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 348 PM EDT Thu Sep 10 2026 Date 09/10/26 Fri 09/11/26 Sat 09/12/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 84 90 83 90 83 Temp 90 87 86 85 84 86 90 90 90 87 85 84 83 85 89 90 90 87 85 84 83 85 Dewpt 78 78 78 78 78 78 78 78 78 78 78 78 78 78 78 79 78 78 78 78 77 77 RH 68 75 77 80 82 77 68 68 68 75 80 82 85 80 70 70 68 75 80 82 82 77 Wind dir E E E E SE E E E E E E SE SE SE E E E E E SE SE SE Wind spd 8 10 10 11 11 10 9 8 9 10 12 12 12 11 9 9 10 11 11 11 9 8 Clouds SC SC SC SC SC FW SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC PoP 12hr 30 40 50 50 60 QPF 12hr 0 0.05 0.02 0.08 0.05 Rain shwrs L C C C C C C C C C C C C C C C C L L L L C Tstms C C C C C C C C C C C C C C C C C C C C C C Heat index 105100 98 97 95 98105105105100 97 95 93 97103106105100 97 95 92 96 Max heat 106 100 98 105 105 98 97 106 106 98 96 Date 09/13 Mon 09/14/26 Tue 09/15/26 Wed 09/16/26 Thu 09/17/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 83 90 83 90 83 89 82 88 Temp 90 87 85 85 88 87 85 84 88 87 85 84 87 85 84 84 88 85 Dewpt 77 77 77 77 77 77 77 77 77 77 77 77 78 77 77 77 77 76 PWind dir SE E E E E E E E E Wind char GN LT GN GN GN GN GN GN GN Avg clouds SC SC SC SC FW FW SC SC FW SC SC SC SC SC SC SC SC SC PoP 12hr 30 20 40 40 50 50 70 60 50 Rain shwrs C C S S C C C C C C C C L L L L C C Tstms C C S S C C C C C C C C C C C C C C $$