Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
950 FOUS52 KKEY 210737 PFMKEY Point Forecast Matrices National Weather Service Key West FL 337 AM EDT Mon Sep 21 2026 FLZ078-212000- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 337 AM EDT Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 79 90 79 89 Temp 81 82 85 87 87 83 82 81 81 81 86 88 87 83 82 81 80 81 86 87 86 82 Dewpt 75 75 75 75 75 75 75 76 76 76 76 76 76 75 76 77 76 76 76 77 76 76 RH 82 79 72 68 68 77 79 85 85 85 72 68 70 77 82 88 88 85 72 72 72 82 Wind dir S S S SW S SE SE S S S S S S SE S S S S S S S S Wind spd 11 11 11 10 6 8 11 13 11 9 8 8 6 8 12 13 11 9 8 6 6 5 Clouds SC B1 B1 B1 SC SC B1 SC B1 B1 SC SC B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 60 70 70 80 QPF 12hr 0.48 0.31 0.18 0.41 0.74 Rain shwrs C L L L L L L L L L L L L L L L L D D D D L 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 87 89 94 96 96 90 89 87 87 87 96 99 98 90 89 88 86 87 96 99 96 89 Max heat 89 98 98 89 87 99 100 89 88 99 99 Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 90 79 90 79 88 80 89 Temp 81 82 88 84 81 81 87 85 81 81 86 83 80 82 87 83 Dewpt 76 76 76 75 76 76 76 75 75 75 75 74 75 75 75 73 PWind dir SE SE W N N NE N NE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC SC SC SC B1 B1 B1 SC PoP 12hr 70 60 50 50 50 60 50 60 Rain shwrs L L L L C C C C C C L L C C L L Tstms C C C C C C C C C C C C C C C C $$ FLZ077-212000- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 337 AM EDT Mon Sep 21 2026 Date Mon 09/21/26 Tue 09/22/26 Wed 09/23/26 EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 88 80 88 80 88 Temp 82 82 85 86 86 83 83 82 82 82 86 86 86 83 83 82 81 82 85 86 85 83 Dewpt 74 75 75 75 74 75 75 75 75 76 76 76 75 76 76 76 76 76 76 76 75 76 RH 77 79 72 70 68 77 77 79 79 82 72 72 70 80 80 82 85 82 75 72 72 80 Wind dir S S S SW S SE SE S S S S S S S S S S S S S S S Wind spd 11 10 10 9 8 9 12 14 12 10 9 9 6 6 11 12 11 10 8 5 5 5 Clouds SC B1 B1 B1 SC SC B1 B1 B1 SC SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 PoP 12hr 60 60 60 70 80 QPF 12hr 0.24 0.27 0.20 0.47 0.79 Rain shwrs L L L L L L L L L L L L L L L L L D D D D L Tstms C C C C C C C C C C C C C C C C C C C C C C Heat index 88 89 94 95 94 90 90 89 89 89 96 96 95 91 91 89 87 89 94 96 94 91 Max heat 89 95 95 90 89 96 98 91 89 96 96 Date Thu 09/24/26 Fri 09/25/26 Sat 09/26/26 Sun 09/27/26 EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 79 88 81 88 80 86 79 87 Temp 82 82 86 85 83 82 86 85 83 82 85 83 81 80 85 84 Dewpt 76 76 76 76 76 76 76 75 75 75 75 74 74 75 74 73 PWind dir SE S NW N N NE NE NE Wind char LT LT LT LT LT LT LT LT Avg clouds B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B1 B1 SC PoP 12hr 70 60 40 50 50 60 50 60 Rain shwrs L L L L C C C C C C L L C C L L Tstms C C C C C C C C C C C C C C C C $$