645  
FOUS52 KKEY 231957  
PFMKEY  
 
POINT FORECAST MATRICES  
NATIONAL WEATHER SERVICE KEY WEST FL  
357 PM EDT SUN AUG 23 2026  
 
FLZ078-240800-  
KEY WEST-MONROE FL  
24.55N 81.75W ELEV. 3 FT  
357 PM EDT SUN AUG 23 2026  
 
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 WED  
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 84 91 84 91 83  
TEMP 90 87 86 85 85 86 89 90 91 88 87 85 85 86 89 90 91 88 86 84 84 85  
DEWPT 76 75 75 75 75 75 76 76 76 75 75 76 76 76 77 77 78 77 77 77 77 77  
RH 64 68 70 72 72 70 66 64 62 66 68 75 75 72 68 66 66 70 75 80 80 77  
WIND DIR E E E SE SE E E E E E E E E E E E E E E SE SE SE  
WIND SPD 3 4 6 9 9 9 10 11 11 12 12 13 12 12 11 11 12 12 14 16 14 12  
CLOUDS SC SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW FW SC SC SC SC SC  
POP 12HR 10 10 10 30 50  
QPF 12HR 0 0 0 0 0.05  
RAIN SHWRS S S S S S S S S S S S S 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 C C C C C  
HEAT INDEX 102 96 95 94 94 95100102103 98 96 94 94 96102103106100 97 94 94 96  
MAX HEAT 102 95 95 102 103 98 96 103 106 97 96  
 
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26  
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 91 83 92 82 92 83 92 83 92  
TEMP 90 87 84 85 90 87 84 84 90 87 84 85 90 87 84 85 90 87  
DEWPT 77 77 77 77 78 77 77 77 78 77 77 78 78 78 78 78 78 78  
PWIND DIR SE E SE E E E E E E  
WIND CHAR GN GN GN GN LT GN GN GN GN  
AVG CLOUDS SC SC SC SC SC SC SC SC SC B1 SC SC SC SC SC B1 SC SC  
POP 12HR 50 40 20 30 20 40 50 60 50  
RAIN SHWRS C C C C S S C C S S C C C C L L C C  
TSTMS C C C C S S C C S S C C C C C C C C  
 

 
FLZ077-240800-  
MARATHON-MONROE FL  
24.72N 81.04W ELEV. 5 FT  
357 PM EDT SUN AUG 23 2026  
 
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 WED  
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 91 82 91 82  
TEMP 91 88 86 84 84 84 90 91 91 87 85 83 83 83 90 91 91 87 85 83 83 83  
DEWPT 75 75 75 76 76 75 76 76 75 75 76 76 76 76 77 77 77 77 77 77 77 77  
RH 60 66 70 77 77 74 64 62 60 68 75 80 80 80 66 64 64 72 77 82 82 82  
WIND DIR SE E SE SE SE SE E E E E E E E E E E E E E SE SE SE  
WIND SPD 4 5 8 11 10 9 10 11 12 12 13 12 12 11 12 12 13 14 14 14 14 13  
CLOUDS SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC  
POP 12HR 10 10 20 30 50  
QPF 12HR 0 0 0 0 0.15  
RAIN SHWRS S S S S S S S S S S S S S 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 C C C C C  
HEAT INDEX 102 98 95 93 93 92102103102 96 94 91 91 91103105105 99 96 92 92 92  
MAX HEAT 103 96 93 103 103 96 91 105 105 97 92  
 
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26  
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 91 83 90 83 91 83 91 83 90  
TEMP 91 87 85 84 88 87 85 85 88 88 85 85 88 88 86 83 88 87  
DEWPT 77 77 78 77 77 77 78 77 77 77 78 77 78 78 78 78 78 78  
PWIND DIR SE E SE E E E E E E  
WIND CHAR GN GN GN GN GN GN GN GN GN  
AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC  
POP 12HR 50 50 20 40 30 40 50 60 60  
RAIN SHWRS C C C C S S C C C C C C C C L L L L  
TSTMS C C C C S S C C C C C C C C C C C C  
 

 
 
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