


Point Forecast Matrices
Issued by NWS Key West, FL
Issued by NWS Key West, FL
Versions:
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686 FOUS52 KKEY 282026 PFMKEY Point Forecast Matrices National Weather Service Key West FL 426 PM EDT Thu Aug 28 2025 FLZ078-290800- Key West-Monroe FL 24.55N 81.75W Elev. 3 ft 426 PM EDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 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 90 81 90 81 Temp 90 87 85 84 84 84 89 90 90 86 84 83 82 84 88 90 90 86 84 83 83 85 Dewpt 77 77 77 76 77 78 78 77 77 77 77 77 76 77 77 77 77 76 76 77 76 77 RH 66 72 77 77 80 82 70 66 66 75 80 82 82 80 70 66 66 72 77 82 80 77 Wind dir E E E SE E E E E E NE E E S SW SW SW W NW W S SW SW Wind spd 6 8 9 9 6 5 4 4 4 4 5 6 5 3 4 4 4 4 3 2 3 4 Clouds SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 50 40 40 40 40 QPF 12hr 0.15 0.33 0.09 0.10 0.07 Rain shwrs C C C C C C C C C C C C C C C C C 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 103 99 96 93 94 95103103103 97 94 92 89 94100103103 96 93 92 91 96 Max heat 105 96 95 103 103 96 94 103 103 94 96 Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 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 89 80 89 80 89 80 89 80 89 Temp 89 85 83 84 89 85 83 83 89 86 82 83 89 86 83 83 89 86 Dewpt 77 76 76 77 77 76 77 77 78 77 77 78 78 77 77 77 77 77 PWind dir W NW W W W W W W W Wind char LT LT GN GN GN GN GN GN LT Avg clouds FW SC SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 PoP 12hr 40 40 50 40 50 50 50 40 40 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms C C C C C C C C C C C C C C C C C C $$ FLZ077-290800- Marathon-Monroe FL 24.72N 81.04W Elev. 5 ft 426 PM EDT Thu Aug 28 2025 Date 08/28/25 Fri 08/29/25 Sat 08/30/25 Sun EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 91 81 91 81 Temp 89 86 85 84 84 84 87 89 89 86 84 82 83 84 88 89 88 86 85 83 83 85 Dewpt 76 76 76 76 76 76 76 76 76 76 76 76 76 76 76 77 76 76 75 76 75 76 RH 66 72 75 77 77 77 70 66 66 72 77 82 80 77 68 68 68 72 72 80 77 75 Wind dir E E E E E E E SE E NE E SE S SW SW SW W NW W SW SW SW Wind spd 8 9 8 8 6 5 4 4 3 3 5 8 6 4 4 4 4 4 3 2 4 5 Clouds SC SC SC SC SC SC SC SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC FW PoP 12hr 50 40 40 50 40 QPF 12hr 0.30 0.08 0.11 0.09 0.08 Rain shwrs C C C C C C C C C C C C C C C C C C C C C C Tstms C C C C C C C C C C C C C C C C C C C C C C Heat index 100 96 94 93 93 93 98100100 96 93 89 91 93 99102 99 96 94 91 90 94 Max heat 105 96 93 100 100 94 93 102 102 96 94 Date 08/31 Mon 09/01/25 Tue 09/02/25 Wed 09/03/25 Thu 09/04/25 EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 80 90 79 90 79 90 80 90 Temp 88 85 83 83 88 85 83 83 88 86 83 83 88 86 83 83 88 86 Dewpt 76 76 76 75 76 75 76 76 76 76 76 76 76 76 76 76 76 75 PWind dir W NW W W W W W W W Wind char LT LT GN GN GN GN GN GN LT Avg clouds FW SC B1 SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC B1 PoP 12hr 50 40 50 50 50 50 50 40 40 Rain shwrs C C C C C C C C C C C C C C C C C C Tstms C C C C C C C C C C C C C C C C C C $$