Siesta Key Weather Forecast
- 62
- 79
Mostly Cloudy
- 68
- 80
Chance Rain Showers
- 54
- 78
Partly Sunny
- 59
- 76
Mostly Sunny
- 60
- 78
Mostly Sunny
- 60
- 79
Mostly Sunny
Today 17 Dec Inland Sarasota
Mostly sunny. Highs in the upper 70s. East Winds 5 to 10 Mph.
Tonight 17 Dec Inland Sarasota
Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 60s. East Winds around 5 Mph.
Siesta Key Temperature Statistics
December Temperature
Sarasota / Bradenton, Sarasota-Bradenton International Airport (8.1 miles)
Lowest 12 December, 2025
48 °FAverage December
68.8 °FHighest 1 December, 2025
84.9 °F
Climate (2020–Present)
Sarasota / Bradenton, Sarasota-Bradenton International Airport (8.1 miles)
Average Low 2020–2025
67.3 °FAverage 2020–2025
75 °FAverage High 2020–2025
83.4 °F