Siesta Key Weather Forecast
- 76
- 93
Thunderstorms
- 77
- 93
Thunderstorms
- 80
- 92
Thunderstorms
- 79
- 92
Thunderstorms
- 77
- 91
Thunderstorms
- 77
- 90
Thunderstorms
Today 18 Aug Inland Sarasota
Mostly sunny with scattered Showers and Thunderstorms. Near steady temperature in the lower 90s. Northwest Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 106.
Tonight 18 Aug Inland Sarasota
Mostly cloudy with scattered Showers and Thunderstorms this Evening, then mostly clear after midnight. Lows in the mid 70s. Northeast Winds around 5 Mph. Chance of rain 50 percent.
Siesta Key Temperature Statistics
August Temperature
Sarasota / Bradenton, Sarasota-Bradenton International Airport (8.1 miles)
Lowest 13 August, 2025
74.6 °FAverage August
84.2 °FHighest 6 August, 2025
94.6 °F
Climate (2020–Present)
Sarasota / Bradenton, Sarasota-Bradenton International Airport (8.1 miles)
Average Low 2020–2025
67.4 °FAverage 2020–2025
75.1 °FAverage High 2020–2025
83.4 °F