Siesta Key Weather Forecast
- 76
- 88
Slight Chance Thunderstorms
- 77
- 89
Slight Chance Thunderstorms
- 77
- 89
Chance Thunderstorms
- 76
- 90
Chance Thunderstorms
- 76
- 92
Chance Thunderstorms
- 75
- 92
Chance Thunderstorms
- 75
- 90
Rain Showers Likely
Today 21 May Inland Sarasota
Sunny. Scattered Showers and Thunderstorms this afternoon. Highs in the lower 90s. East Winds around 5 Mph, becoming south this afternoon. Chance of rain 40 percent.
Tonight 21 May Inland Sarasota
Mostly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the lower 70s. South Winds 5 to 10 Mph, becoming east after midnight. Chance of rain 50 percent.
Siesta Key Temperature Statistics
May Temperature
Sarasota / Bradenton, Sarasota-Bradenton International Airport (8.1 miles)
Lowest 3 May, 2026
66.7 °FAverage May
80.5 °FHighest 18 May, 2026
93.9 °F
Climate (2021–Present)
Sarasota / Bradenton, Sarasota-Bradenton International Airport (8.1 miles)
Average Low 2021–2026
67.3 °FAverage 2021–2026
75.2 °FAverage High 2021–2026
83.6 °F