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Big Coppitt Key, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Big Coppitt Key, a community in Monroe County, Florida.

Today
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Sunny, with a high near 82. East wind around 10 mph. Chance of precipitation is 30%.

7-day forecast for Big Coppitt Key

WhenTempForecastWindPrecip
Today 82°F Chance Showers And Thunderstorms 10 mph E 30%
Tonight 77°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 10 mph NE 30%
Thursday 82°F Slight Chance Showers And Thunderstorms 10 to 15 mph NE 15%
Thursday Night 77°F Slight Chance Showers And Thunderstorms then Mostly Clear 10 mph NE 13%
Friday 82°F Sunny 10 mph NE 6%
Friday Night 77°F Mostly Clear 5 to 10 mph N 4%
Saturday 81°F Sunny 5 to 10 mph N 3%
Saturday Night 76°F Mostly Clear 10 mph N 4%
Sunday 81°F Mostly Sunny 10 mph NE 4%
Sunday Night 75°F Slight Chance Rain Showers 10 to 15 mph NE 13%
Monday 80°F Slight Chance Rain Showers 15 mph E 13%
Monday Night 75°F Slight Chance Rain Showers 15 to 20 mph E 12%
Tuesday 80°F Slight Chance Rain Showers 15 to 20 mph E 14%
Tuesday Night 75°F Slight Chance Rain Showers 15 mph NE 20%

Forecast source: National Weather Service (api.weather.gov) for Big Coppitt Key (24.580, -81.652). Updated through the day.

Growing snapshot for Big Coppitt Key

Growing season
365 days
Hardiness zone
11b

More local growing data for Big Coppitt Key: nearby ZIP 33042 weather · frost dates · planting calendar · Florida frost dates

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Climate data from the nearest NOAA station, Key West Nas, Fl (12.7 mi from Big Coppitt Key). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.