Sanibel, FL 7-Day Night Weather Forecast
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Sanibel, FL Weather Forecast


Sanibel, FL Weather Forecast Date: 1155 PM EDT Thu Sep 03 2026
The area/counties/county of: Coastal Lee, including the cities of: Cape Coral, Captiva, and Sanibel.or toggle through each period.
Overnight... Partly cloudy late this evening, then becoming mostly clear. Scattered showers with isolated thunderstorms. Near steady temperature around 80. Southeast winds 5 to 10 mph. Chance of rain 40%.
Friday... Mostly sunny with scattered showers and thunderstorms. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph, becoming southwest in the afternoon. Chance of rain 40%. Heat index values up to 106.
Friday Night... Partly cloudy. Scattered showers and thunderstorms in the evening. Humid with lows in the upper 70s. South winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 40%.
Saturday... Mostly sunny. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds around 5 mph, becoming southwest in the afternoon. Chance of rain 50%. Heat index values up to 105.
Saturday Night... Partly cloudy with scattered showers and thunderstorms. Humid with lows in the upper 70s. West winds around 5 mph, becoming southeast after midnight. Chance of rain 50%.
Sunday... Partly cloudy with scattered showers and thunderstorms. Highs in the lower 90s. Lows in the upper 70s. Chance of rain 50%.
Monday... Partly cloudy with scattered showers and thunderstorms. Highs in the lower 90s. Lows in the upper 70s. Chance of rain 50%.
Tuesday... Partly cloudy with scattered showers and thunderstorms. Highs in the lower 90s. Lows in the upper 70s. Chance of rain 50%.
Wednesday... Partly cloudy. Numerous showers and scattered thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 60%.
Wednesday Night... Partly cloudy. Numerous showers and scattered thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 60%.
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