Longboat Key, FL Weather & Growing Conditions
Today
89°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind around 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Scattered Showers And Thunderstorms | 9 mph SW | 49% |
| Tonight | 76°F | Scattered Showers And Thunderstorms | 5 to 9 mph S | 30% |
| Wednesday | 90°F | Scattered Showers And Thunderstorms | 5 to 8 mph S | 35% |
| Wednesday Night | 75°F | Scattered Showers And Thunderstorms then Mostly Cloudy | 7 mph E | 50% |
| Thursday | 92°F | Partly Sunny then Widespread Showers And Thunderstorms | 9 mph ENE | 75% |
| Thursday Night | 75°F | Widespread Showers And Thunderstorms then Mostly Cloudy | 9 mph ENE | 75% |
| Friday | 92°F | Mostly Sunny then Widespread Showers And Thunderstorms | 9 to 13 mph ENE | 77% |
| Friday Night | 75°F | Widespread Showers And Thunderstorms then Scattered Showers And Thunderstorms | 10 mph E | 77% |
| Saturday | 90°F | Isolated Showers And Thunderstorms | 6 to 10 mph SE | 66% |
| Saturday Night | 76°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 8 mph SE | 66% |
| Sunday | 91°F | Mostly Sunny then Scattered Showers And Thunderstorms | 9 mph S | 49% |
| Sunday Night | 77°F | Scattered Showers And Thunderstorms | 8 mph NE | 49% |
| Monday | 91°F | Mostly Sunny then Scattered Showers And Thunderstorms | 8 mph S | 35% |
| Monday Night | 77°F | Scattered Showers And Thunderstorms then Partly Cloudy | 7 mph NE | 35% |
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 Aug 4, 2026.