Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
026 FOUS52 KKEY 182001 PFMKEY Point Forecast Matrices National Weather Service Key West FL 401 PM EDT Mon Aug 18 2025 FLZ078-190800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 401 PM EDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 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 93 82 92 82 Temp 91 87 85 84 84 84 90 92 90 86 85 84 83 85 89 90 90 86 84 84 84 84 Dewpt 77 77 76 76 77 77 78 78 78 78 78 78 77 78 78 78 78 77 77 76 76 77 RH 64 72 75 77 80 80 68 64 68 77 80 82 82 80 70 68 68 75 80 77 77 80 Wind dir NW NW NW N NW NW NW NW NW NW NW NW NW NW W W W W W W W W Wind spd 4 4 4 4 4 4 5 6 8 8 8 8 8 8 9 10 9 9 8 6 8 8 Clouds FW FW FW FW FW FW FW FW FW FW FW SC SC FW FW FW FW SC SC SC SC FW PoP 12hr 30 30 40 30 30 QPF 12hr 0 0 0.04 0.06 0.01 Rain shwrs S C C C 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 S S S S Heat index 105 99 94 93 94 94105107105 98 97 95 92 97103105105 97 94 93 93 94 Max heat 105 96 94 107 106 98 97 105 105 96 94 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 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 92 82 92 82 92 82 92 82 92 Temp 90 86 84 84 90 86 83 84 90 86 84 84 90 87 84 84 90 85 Dewpt 77 76 76 77 76 76 76 76 76 75 76 76 77 76 76 76 77 76 PWind dir W W W NW W NE E NE N Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 30 30 30 30 30 30 30 30 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 $$ FLZ077-190800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 401 PM EDT Mon Aug 18 2025 Date 08/18/25 Tue 08/19/25 Wed 08/20/25 Thu EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 91 82 91 83 Temp 89 87 86 84 84 84 88 89 90 87 86 84 83 84 87 89 89 86 86 85 85 85 Dewpt 76 76 76 76 77 77 77 77 77 77 77 77 77 77 77 78 77 76 76 76 76 76 RH 66 70 72 77 80 80 70 68 66 72 75 80 82 80 72 70 68 72 72 75 75 75 Wind dir NW NW NW N N N NW NW NW NW NW NW NW NW W W W W W W W W Wind spd 4 5 4 4 4 4 5 5 8 9 9 8 8 8 9 10 10 10 9 9 8 8 Clouds FW FW SC FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 30 30 30 30 30 QPF 12hr 0 0 0.13 0.08 0.01 Rain shwrs S C C C C C C C C C C C C C C C C C C C C C Tstms S S S S S S S S S S S S S S S S S S S S S S Heat index 100 98 96 93 94 94100102103 99 97 94 92 94 99103102 96 96 94 94 94 Max heat 102 96 94 102 103 99 94 103 103 96 94 Date 08/21 Fri 08/22/25 Sat 08/23/25 Sun 08/24/25 Mon 08/25/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 83 91 83 90 83 91 82 90 Temp 89 86 84 85 89 86 84 85 89 86 85 85 89 87 84 84 89 86 Dewpt 76 76 75 75 76 75 75 75 76 75 75 76 76 75 75 76 77 76 PWind dir W W W W W N SE NE N Wind char GN LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW PoP 12hr 30 30 30 30 30 30 30 30 30 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms S S S S S S S S S S S S S S S S S S $$