Siesta Key, FL Weather & Growing Conditions
This Afternoon
84°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly cloudy. High near 84, with temperatures falling to around 78 in the afternoon. East southeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Scattered Showers And Thunderstorms | 10 mph ESE | 40% |
| Tonight | 72°F | Scattered Showers And Thunderstorms then Partly Cloudy | 9 mph ESE | 33% |
| Wednesday | 84°F | Mostly Sunny then Isolated Showers And Thunderstorms | 5 to 9 mph SE | 33% |
| Wednesday Night | 72°F | Scattered Showers And Thunderstorms | 5 mph NE | 29% |
| Thursday | 84°F | Sunny | 6 mph NNE | 4% |
| Thursday Night | 71°F | Mostly Clear | 5 mph NNE | 4% |
| Friday | 83°F | Sunny | 2 to 9 mph NNW | 1% |
| Friday Night | 71°F | Mostly Clear | 5 to 8 mph NNW | 1% |
| Saturday | 82°F | Sunny | 5 to 10 mph NNW | 1% |
| Saturday Night | 67°F | Mostly Clear | 9 mph N | 4% |
| Sunday | 80°F | Sunny | 7 to 12 mph NNW | 11% |
| Sunday Night | 66°F | Partly Cloudy then Isolated Rain Showers | 13 mph N | 16% |
| Monday | 78°F | Isolated Rain Showers | 15 mph N | 16% |
| Monday Night | 63°F | Isolated Rain Showers | 14 mph NNE | 15% |
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 Nov 4, 2026.