Siesta Key, FL Weather & Growing Conditions
Overnight
75°F
Partly Cloudy
Partly cloudy, with a low around 75. East northeast wind around 9 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 75°F | Partly Cloudy | 9 mph ENE | 12% |
| Saturday | 89°F | Mostly Sunny then Scattered Showers And Thunderstorms | 8 mph NNE | 46% |
| Saturday Night | 75°F | Chance Showers And Thunderstorms | 7 mph ENE | 58% |
| Sunday | 87°F | Scattered Showers And Thunderstorms | 7 mph SSE | 82% |
| Sunday Night | 75°F | Showers And Thunderstorms | 7 mph NE | 82% |
| Monday | 88°F | Scattered Showers And Thunderstorms | 7 mph SSE | 74% |
| Monday Night | 76°F | Chance Showers And Thunderstorms | 5 to 8 mph SE | 74% |
| Tuesday | 87°F | Chance Showers And Thunderstorms | 8 mph SSE | 72% |
| Tuesday Night | 77°F | Chance Showers And Thunderstorms | 8 mph SSE | 72% |
| Wednesday | 88°F | Scattered Showers And Thunderstorms | 8 mph SSW | 74% |
| Wednesday Night | 76°F | Chance Showers And Thunderstorms | 9 mph ENE | 74% |
| Thursday | 88°F | Isolated Showers And Thunderstorms | 10 mph NNE | 57% |
| Thursday Night | 76°F | Chance Showers And Thunderstorms | 12 mph NE | 57% |
| Friday | 88°F | Scattered Showers And Thunderstorms | 12 mph NNE | 52% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Siesta Key, FL
Last spring frost
Jan 15
First fall frost
Jan 10
Growing season
365 days
Hardiness zone
10a
Explore more for Siesta Key, FL: full frost dates · planting calendar · Florida frost dates
Climate data from the nearest NOAA station, Sarasota Bradenton Ap, Fl (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.