Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
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211 FOUS52 KKEY 171954 PFMKEY Point Forecast Matrices National Weather Service Key West FL 354 PM EDT Mon Aug 17 2026 FLZ078-180800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 354 PM EDT Mon Aug 17 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu 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 81 92 82 92 82 Temp 90 86 84 83 83 84 88 90 90 86 84 84 82 84 88 90 90 86 85 84 82 84 Dewpt 75 75 75 75 75 75 75 75 76 75 75 75 75 75 75 76 76 76 75 76 75 76 RH 62 70 74 77 77 74 66 62 64 70 74 74 79 74 66 64 64 72 72 77 79 77 Wind dir NE NE E E NE NE N NW NW NW NW NW NW NW NW NW NW NW NW NW SW SW Wind spd 2 2 2 2 2 2 1 3 4 4 4 4 3 3 3 4 5 5 3 3 1 1 Clouds FW FW SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC FW PoP 12hr 5 5 5 10 10 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S S Tstms S S S S S Heat index 101 95 92 90 90 92 98101102 95 92 92 89 92 98102102 96 94 93 89 93 Max heat 103 94 92 101 103 94 92 102 102 96 93 Date 08/20 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 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 83 92 Temp 90 87 83 84 89 87 83 84 89 87 84 84 90 87 84 85 90 87 Dewpt 76 75 75 76 76 75 75 76 76 75 75 76 76 75 76 76 77 76 PWind dir W E S SE SE E SE E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW FW FW FW FW FW SC SC FW FW SC SC FW FW PoP 12hr 10 10 5 10 5 10 5 10 10 Rain shwrs S S S S S S Tstms S S $$ FLZ077-180800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 354 PM EDT Mon Aug 17 2026 Date 08/17/26 Tue 08/18/26 Wed 08/19/26 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 90 84 91 83 Temp 88 86 85 85 84 84 87 88 89 87 86 86 84 86 88 89 89 87 86 86 85 84 Dewpt 74 74 74 75 75 75 76 76 76 76 76 77 76 76 76 76 76 76 76 77 76 76 RH 63 68 70 72 74 74 70 68 66 70 72 75 77 72 68 66 66 70 72 75 75 77 Wind dir S S S S N N W W NW NW NW NW NW NW W W W W NW NW SW SW Wind spd 1 1 1 1 1 1 3 4 6 6 5 5 4 4 4 5 6 6 3 2 2 2 Clouds FW FW FW SC SC FW FW FW SC SC FW FW FW FW FW FW FW FW FW SC SC FW PoP 12hr 5 5 5 10 20 QPF 12hr 0 0 0 0 0 Rain shwrs S S S S S S S S S Tstms S S S S S S S S S Heat index 97 94 93 94 92 92 98 99100 98 96 97 93 96 99100100 98 96 97 94 93 Max heat 99 94 92 99 102 97 96 100 100 98 97 Date 08/20 Fri 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon 08/24/26 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 83 89 83 89 83 89 83 90 Temp 88 87 85 84 88 86 84 84 88 86 85 85 88 86 85 84 88 87 Dewpt 76 75 76 75 76 75 76 76 76 75 76 76 76 75 77 76 77 76 PWind dir SW S S SE S SE SE SE SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW SC SC FW FW FW FW FW FW FW SC FW FW SC SC FW FW PoP 12hr 10 10 5 10 5 10 10 20 10 Rain shwrs S S S S S S S S S S S S Tstms S S S S $$