Longboat Key, FL Weather & Growing Conditions
Tonight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. East southeast wind around 8 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Partly Cloudy | 8 mph ESE | 12% |
| Wednesday | 84°F | Mostly Sunny then Isolated Showers And Thunderstorms | 3 to 8 mph SSE | 34% |
| Wednesday Night | 70°F | Scattered Showers And Thunderstorms | 5 mph NE | 27% |
| Thursday | 83°F | Sunny | 6 mph W | 4% |
| Thursday Night | 70°F | Mostly Clear | 5 mph NNE | 4% |
| Friday | 82°F | Sunny | 2 to 7 mph N | 2% |
| Friday Night | 70°F | Mostly Clear | 7 mph NNW | 1% |
| Saturday | 80°F | Sunny | 5 to 9 mph NNW | 1% |
| Saturday Night | 67°F | Mostly Clear | 9 mph N | 4% |
| Sunday | 79°F | Mostly Sunny | 7 to 10 mph NNW | 12% |
| Sunday Night | 65°F | Partly Cloudy then Isolated Rain Showers | 12 mph N | 17% |
| Monday | 78°F | Isolated Rain Showers | 12 to 15 mph N | 17% |
| Monday Night | 63°F | Isolated Rain Showers | 13 mph NNE | 15% |
| Tuesday | 78°F | Sunny | 10 to 14 mph NNE | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Longboat Key, FL
Last spring frost
Jan 15
First fall frost
Jan 10
Growing season
365 days
Hardiness zone
10a
Explore more for Longboat Key, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Sarasota Bradenton Ap, Fl (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.