Key West, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Key West, a city in Monroe County, Florida.

Tonight

76°F

Chance Showers And Thunderstorms

A chance of showers and thunderstorms. Partly cloudy, with a low around 76. East wind 5 to 10 mph. Chance of precipitation is 30%.

7-day forecast for Key West

When	Temp	Forecast	Wind	Precip
Tonight	76°F	Chance Showers And Thunderstorms	5 to 10 mph E	29%
Wednesday	84°F	Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms	5 mph E	29%
Wednesday Night	76°F	Slight Chance Showers And Thunderstorms	5 mph NE	15%
Thursday	83°F	Slight Chance Showers And Thunderstorms	5 to 10 mph NE	15%
Thursday Night	76°F	Slight Chance Showers And Thunderstorms then Mostly Clear	5 mph NE	13%
Friday	82°F	Sunny	5 mph NE	6%
Friday Night	76°F	Mostly Clear	5 mph NE	3%
Saturday	82°F	Sunny	5 mph NE	3%
Saturday Night	75°F	Mostly Clear	5 mph N	5%
Sunday	82°F	Sunny	5 mph N	6%
Sunday Night	74°F	Slight Chance Rain Showers	5 to 10 mph N	19%
Monday	82°F	Slight Chance Rain Showers	10 to 15 mph N	19%
Monday Night	73°F	Slight Chance Rain Showers	15 mph NE	21%
Tuesday	81°F	Slight Chance Rain Showers	15 to 20 mph NE	21%

Forecast source: National Weather Service (api.weather.gov) for Key West (24.565, -81.776). Updated through the day.

Growing snapshot for Key West

Growing season

365 days

Hardiness zone

11b

More local growing data for Key West: nearby ZIP 33040 weather · frost dates · planting calendar · Florida frost dates

Nearby towns & communities

Big Coppitt Key Big Pine Key Cudjoe Key Duck Key Islamorada, Village of Islands Key Colony Beach Key Largo Layton Marathon North Key Largo Stock Island Tavernier

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Climate data from the nearest NOAA station, Key W Wfo, Fl (8.4 mi from Key West). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.