Longboat Key, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Longboat Key, a town in Sarasota County, Florida.
Overnight
77°F
Partly Cloudy
Partly cloudy, with a low around 77. East northeast wind around 13 mph.
7-day forecast for Longboat Key
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 77°F | Partly Cloudy | 13 mph ENE | 9% |
| Saturday | 87°F | Mostly Sunny then Scattered Showers And Thunderstorms | 5 to 12 mph NE | 42% |
| Saturday Night | 76°F | Scattered Showers And Thunderstorms | 8 to 12 mph ENE | 47% |
| Sunday | 87°F | Scattered Showers And Thunderstorms | 5 to 9 mph ESE | 65% |
| Sunday Night | 76°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 7 to 12 mph NE | 65% |
| Monday | 86°F | Scattered Showers And Thunderstorms | 6 to 9 mph SSE | 73% |
| Monday Night | 77°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 7 to 10 mph E | 73% |
| Tuesday | 86°F | Scattered Showers And Thunderstorms | 8 mph S | 68% |
| Tuesday Night | 78°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 9 mph SE | 68% |
| Wednesday | 87°F | Scattered Showers And Thunderstorms | 8 mph NE | 68% |
| Wednesday Night | 78°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 9 to 13 mph NE | 68% |
| Thursday | 88°F | Scattered Showers And Thunderstorms | 9 to 13 mph NE | 51% |
| Thursday Night | 78°F | Scattered Showers And Thunderstorms | 10 to 14 mph NE | 51% |
| Friday | 87°F | Mostly Sunny then Scattered Showers And Thunderstorms | 9 to 14 mph NE | 45% |
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
Nearby towns & communities
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Fruitville
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Plantation
Ridge Wood Heights
Sarasota
Sarasota Springs
Siesta Key
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Venice
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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 Sep 19, 2026.