Sanibel Weather Forecast
- 82
- 86
Partly Sunny
- 82
- 86
Slight Chance Thunderstorms
- 81
- 86
Chance Rain Showers
- 77
- 85
Thunderstorms Likely
- 76
- 85
Thunderstorms Likely
- 77
- 86
Chance Thunderstorms
Today 31 May Coastal Lee
Mostly sunny. A slight chance of Showers and Thunderstorms in the afternoon. Humid with Highs around 90. West Winds 5 to 10 Mph. Chance of rain 20 percent.
Tonight 31 May Coastal Lee
Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the upper 70s. West Winds 5 to 10 Mph.
Sanibel Temperature Statistics
May Temperature
Fort Myers, Page Field (13 miles)
Lowest 3 May, 2026
68.6 °FAverage May
82.7 °FHighest 17 May, 2026
96.7 °F
Climate (2021–Present)
Fort Myers, Page Field (13 miles)
Average Low 2021–2026
68.4 °FAverage 2021–2026
76.9 °FAverage High 2021–2026
86.4 °F