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Longboat Key, FL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Longboat Key, a town in Sarasota County, Florida.

Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. East southeast wind around 14 mph, with gusts as high as 18 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Longboat Key

WhenTempForecastWindPrecip
Tonight 72°F Partly Cloudy 14 mph ESE 13%
Wednesday 82°F Mostly Sunny then Isolated Showers And Thunderstorms 5 to 12 mph SSE 33%
Wednesday Night 72°F Scattered Showers And Thunderstorms 7 mph ENE 28%
Thursday 81°F Sunny 7 mph N 4%
Thursday Night 72°F Mostly Clear 8 mph NNE 4%
Friday 80°F Sunny 3 to 10 mph NNW 1%
Friday Night 72°F Mostly Clear 9 mph NNW 1%
Saturday 79°F Sunny 6 to 12 mph NNW 1%
Saturday Night 68°F Mostly Clear 12 mph N 4%
Sunday 78°F Sunny 8 to 14 mph NNW 12%
Sunday Night 66°F Partly Cloudy then Isolated Rain Showers 16 mph N 17%
Monday 77°F Isolated Rain Showers 17 mph N 17%
Monday Night 64°F Isolated Rain Showers 17 mph NNE 15%
Tuesday 77°F Sunny 16 mph NNE 12%

Forecast source: National Weather Service (api.weather.gov) for Longboat Key (27.400, -82.644). Updated through the day.

Growing snapshot for Longboat Key

Last spring frost
Jan 15
First fall frost
Jan 10
Growing season
365 days
Hardiness zone
10b

More local growing data for Longboat Key: nearby ZIP 34228 weather · frost dates · planting calendar · Florida frost dates

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Climate data from the nearest NOAA station, Sarasota Bradenton Ap, Fl (5.3 mi from Longboat Key). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.