FPUS52 KKEY 180801
ZFPKEY

Zone Forecasts for the Florida Keys
National Weather Service Key West FL
401 AM EDT Mon May 18 2026

FLZ076>078-182215-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the communities of Key Largo, Marathon, and Key West
401 AM EDT Mon May 18 2026

.TODAY...Partly sunny with a chance of showers and a slight 
chance of thunderstorms. Breezy. Highs in the upper 80s. East 
winds 15 to 20 mph. Chance of rain 40 percent. 
.TONIGHT...Partly cloudy with a chance of showers and a slight
chance of thunderstorms. Breezy. Lows near 80. East winds 15 to 20 
mph with gusts up to 25 mph. Chance of rain 40 percent. 
.TUESDAY...Partly sunny with a chance of showers and a slight 
chance of thunderstorms. Highs in the upper 80s. East winds near 
15 mph. Chance of rain 40 percent. 
.TUESDAY NIGHT...Partly cloudy with a chance of showers and a 
slight chance of thunderstorms. Breezy in the evening. Lows near 
80. East winds 15 to 20 mph, decreasing to near 15 mph. Chance of
rain 30 percent.
.WEDNESDAY...Partly sunny with a slight chance of showers and 
thunderstorms. Highs in the upper 80s to near 90. East winds near
15 mph, decreasing to 10 to 15 mph. Chance of rain 20 percent. 
.WEDNESDAY NIGHT AND THURSDAY...Partly cloudy with a slight 
chance of showers and thunderstorms. Lows near 80. Highs in the 
upper 80s to near 90. Chance of rain 20 percent. 
.THURSDAY NIGHT THROUGH SATURDAY...Mostly clear with a slight
chance of showers and thunderstorms. Lows in the lower 80s. Highs
in the upper 80s to lower 90s. Chance of rain 10 percent. 
.SATURDAY NIGHT...Partly cloudy with a chance of showers and a 
slight chance of thunderstorms. Lows in the lower 80s. Chance of 
rain 40 percent. 
.SUNDAY...Partly sunny with a chance of thunderstorms with a 
slight chance of showers. Highs near 90. Chance of rain 30 
percent. 

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