520  
FPUS52 KKEY 180801  
ZFPKEY  
 
ZONE FORECASTS FOR THE FLORIDA KEYS  
NATIONAL WEATHER SERVICE KEY WEST FL  
401 AM EDT WED MAR 18 2026  
 
FLZ076>078-182200-  
MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS-  
INCLUDING THE COMMUNITIES OF KEY LARGO, MARATHON, AND KEY WEST  
401 AM EDT WED MAR 18 2026  
   
TODAY  
CLOUDY WITH A CHANCE OF SHOWERS. WINDY, BECOMING BREEZY.  
HIGHS IN THE MID 70S. NORTH TO NORTHEAST WINDS NEAR 20 MPH EARLY,  
DECREASING TO 15 TO 20 MPH. CHANCE OF RAIN 40 PERCENT.   
TONIGHT  
CLOUDY WITH A CHANCE OF SHOWERS. WINDY. LOWS IN THE  
MID TO UPPER 60S. NORTH TO NORTHEAST WINDS NEAR 20 MPH. CHANCE OF  
RAIN 40 PERCENT.    
THURSDAY  
PARTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. BREEZY  
WITH HIGHS IN THE MID 70S. NORTH TO NORTHEAST WINDS 15 TO 20 MPH.  
CHANCE OF RAIN 20 PERCENT.    
THURSDAY NIGHT  
MOSTLY CLOUDY IN THE EVENING, THEN BECOMING  
PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS. BREEZY. LOWS IN THE  
UPPER 60S. NORTH TO NORTHEAST WINDS 15 TO 20 MPH. CHANCE OF RAIN  
20 PERCENT.   
FRIDAY  
MOSTLY SUNNY WITH A SLIGHT CHANCE OF SHOWERS. BREEZY IN  
THE MORNING. HIGHS IN THE MID 70S. NORTH TO NORTHEAST WINDS 15 TO  
20 MPH, DECREASING TO 10 TO 15 MPH. CHANCE OF RAIN 10 PERCENT.    
FRIDAY NIGHT  
PARTLY CLOUDY. LOWS IN THE UPPER 60S.    
SATURDAY  
MOSTLY CLEAR. HIGHS IN THE UPPER 70S.    
SATURDAY NIGHT THROUGH TUESDAY  
MOSTLY CLEAR. LOWS NEAR 70.  
HIGHS NEAR 80.  
 
 
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