Harman US

Key West, FL Weather & Growing Conditions

This Afternoon
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. East wind around 15 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 82°F Chance Showers And Thunderstorms 15 mph E 25%
Tonight 78°F Chance Showers And Thunderstorms 10 to 15 mph E 28%
Wednesday 82°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 10 mph E 28%
Wednesday Night 78°F Slight Chance Showers And Thunderstorms 10 mph NE 15%
Thursday 81°F Slight Chance Showers And Thunderstorms 10 mph NE 15%
Thursday Night 78°F Slight Chance Showers And Thunderstorms then Mostly Clear 10 mph NE 13%
Friday 81°F Sunny 10 mph NE 7%
Friday Night 77°F Mostly Clear 5 to 10 mph NE 4%
Saturday 80°F Sunny 5 to 10 mph NE 3%
Saturday Night 77°F Mostly Clear 5 mph N 5%
Sunday 80°F Sunny 5 to 10 mph N 7%
Sunday Night 76°F Slight Chance Rain Showers 10 to 15 mph N 21%
Monday 80°F Slight Chance Rain Showers 15 mph N 21%
Monday Night 74°F Slight Chance Rain Showers 15 to 20 mph NE 20%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Key West, FL

Growing season
365 days
Hardiness zone
11b

Explore more for Key West, FL: full frost dates · planting calendar · Florida frost dates

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