Longboat Key, FL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Longboat Key, a town in Sarasota County, Florida.
Today
82°F
Mostly Sunny then Scattered Rain Showers
Scattered rain showers after 2pm. Mostly sunny, with a high near 82. South southeast wind 5 to 12 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Longboat Key
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny then Scattered Rain Showers | 5 to 12 mph SSE | 25% |
| Tonight | 72°F | Scattered Rain Showers then Partly Cloudy | 7 mph E | 26% |
| Thursday | 81°F | Sunny | 3 to 8 mph NNE | 4% |
| Thursday Night | 72°F | Mostly Clear | 8 mph NNE | 3% |
| Friday | 81°F | Sunny | 3 to 10 mph N | 4% |
| Friday Night | 72°F | Mostly Clear | 10 mph NNW | 2% |
| Saturday | 79°F | Sunny | 8 to 14 mph NNW | 1% |
| Saturday Night | 68°F | Mostly Clear | 12 to 15 mph N | 0% |
| Sunday | 78°F | Sunny | 9 to 14 mph N | 2% |
| Sunday Night | 66°F | Partly Cloudy then Isolated Rain Showers | 15 mph N | 15% |
| Monday | 75°F | Isolated Rain Showers then Mostly Sunny | 15 mph N | 15% |
| Monday Night | 64°F | Partly Cloudy | 16 mph NE | 10% |
| Tuesday | 77°F | Mostly Sunny | 12 to 15 mph NNE | 12% |
| Tuesday Night | 65°F | Partly Cloudy | 13 mph N | 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
Nearby towns & communities
Bee Ridge
Desoto Lakes
Englewood
Fruitville
Gulf Gate
Kensington Park
Lake Sarasota
Laurel
Nokomis
North Port
North Sarasota
Old Miakka
Osprey
Palmer Ranch
Pinecraft
Plantation
Ridge Wood Heights
Sarasota
Sarasota Springs
Siesta Key
South Gate Ridge
South Sarasota
South Venice
Southgate
The Meadows
Vamo
Venice
Venice Gardens
Warm Mineral Springs
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.