502
FPUS52 KKEY 181958
ZFPKEY

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

FLZ076>078-191000-
Monroe Upper Keys-Monroe Middle Keys-Monroe Lower Keys-
Including the communities of Key Largo, Marathon, and Key West
358 PM EDT Mon May 18 2026

.TONIGHT...Partly to mostly cloudy with a chance of showers and a
slight chance of thunderstorms. Breezy. Lows near 80. East to
southeast winds 15 to 20 mph. Chance of rain 40 percent.
.TUESDAY...Partly cloudy 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.
.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...Mostly sunny with a slight chance of showers and
thunderstorms. Highs near 90. East winds near 15 mph, decreasing
to 10 to 15 mph. Chance of rain 20 percent.
.WEDNESDAY NIGHT...Mostly clear with a slight chance of showers
and thunderstorms. Lows near 80. East winds 10 to 15 mph. Chance
of rain 20 percent.
.THURSDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
.THURSDAY NIGHT AND FRIDAY...Mostly clear with a slight chance of
showers. Lows in the lower 80s. Highs in the upper 80s. Chance of
rain 10 percent.
.FRIDAY NIGHT...Mostly clear with a slight chance of showers and
thunderstorms. Lows in the lower 80s. Chance of rain 20 percent.
.SATURDAY...Mostly sunny with a slight chance of showers and
thunderstorms. Highs in the upper 80s. Chance of rain 10 percent.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy with a chance of
showers and a slight chance of thunderstorms. Breezy. Lows in the
lower 80s. Highs in the upper 80s. Chance of rain 30 percent.
.SUNDAY NIGHT...Partly cloudy with a chance of showers and a
slight chance of thunderstorms. Breezy. Lows in the lower 80s.
Chance of rain 40 percent.
.MEMORIAL DAY...Mostly sunny with a slight chance of showers and
thunderstorms. Breezy with highs in the upper 80s. Chance of rain
20 percent.

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