Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
314 FOUS52 KKEY 202002 PFMKEY Point Forecast Matrices National Weather Service Key West FL 402 PM EDT Thu Aug 20 2026 FLZ078-210800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 402 PM EDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 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 91 83 92 83 Temp 90 87 85 84 83 84 88 89 90 86 85 84 83 85 88 90 90 86 85 84 84 85 Dewpt 77 77 76 77 76 76 76 76 76 75 75 76 75 76 75 76 75 75 75 75 75 75 RH 66 72 75 80 80 77 68 66 64 70 72 77 77 75 66 64 62 70 72 74 74 72 Wind dir NW N NE SE SE S S SE E NE E E SE SE E NE NE NE E SE SE SE Wind spd 4 4 5 8 6 5 4 4 4 4 6 9 8 4 4 4 4 4 5 6 5 4 Clouds B1 B1 B1 SC SC SC SC B1 SC SC SC SC SC FW FW FW FW FW SC FW FW FW PoP 12hr 10 10 10 0 5 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S S S S S S Tstms S S S S S S S S S Heat index 103 99 94 94 91 93 99100102 95 94 93 90 94 98102101 95 94 92 92 94 Max heat 105 97 94 100 103 94 94 102 102 95 94 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 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 92 82 92 Temp 90 88 84 84 90 87 84 84 90 87 84 84 89 87 83 84 90 87 Dewpt 76 75 75 76 77 76 76 77 77 77 77 77 77 77 77 77 77 77 PWind dir E E E E E E SE E E Wind char LT LT LT GN GN GN GN GN GN Avg clouds FW FW FW SC SC FW FW FW FW FW SC SC SC SC SC SC SC SC PoP 12hr 10 20 5 20 20 50 20 40 30 Rain shwrs S S S S S S C C S S C C C C Tstms S S S S S S C C S S C C C C $$ FLZ077-210800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 402 PM EDT Thu Aug 20 2026 Date 08/20/26 Fri 08/21/26 Sat 08/22/26 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 83 90 83 90 82 Temp 88 86 86 85 85 84 87 88 88 86 85 85 85 85 87 88 88 86 86 85 84 84 Dewpt 77 77 77 77 77 76 75 76 75 75 75 76 76 75 75 76 75 75 75 76 76 75 RH 70 75 75 77 77 77 68 68 66 70 72 75 75 72 68 68 66 70 70 75 77 74 Wind dir SW SW S SE S S S S SE SE SE SE SE SE SE SE E E SE SE SE SE Wind spd 4 4 5 10 9 5 4 4 4 4 5 8 6 5 4 4 4 4 6 9 8 5 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW PoP 12hr 10 10 10 5 10 QPF 12hr 0 0 0 0 0 Rain shwrs C S S S S S S S S S S S S Tstms S S S S S S S S S S S S S Heat index 100 97 97 96 96 93 96 99 98 95 94 94 94 94 96 99 98 95 95 94 93 92 Max heat 102 97 96 99 99 95 94 99 99 95 94 Date 08/23 Mon 08/24/26 Tue 08/25/26 Wed 08/26/26 Thu 08/27/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 82 90 82 90 82 90 82 90 Temp 88 87 85 84 88 87 85 84 88 87 84 84 88 87 84 84 88 87 Dewpt 76 76 76 75 77 76 77 76 77 77 77 77 77 77 77 77 77 77 PWind dir SE SE E E E E E E E Wind char LT LT LT GN GN GN GN GN GN Avg clouds FW FW FW SC FW SC FW FW FW FW SC SC SC SC SC SC SC SC PoP 12hr 10 20 10 30 20 50 30 50 40 Rain shwrs S S C C S S C C C C C C C C Tstms S S C C S S C C C C C C C C $$