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August 18th, 2025 :: 11:36 am EDT   

Local Weather Report for
Sanibel
Florida, United States

 Sanibel Weather Forecast Summary  
 
Today
Aug 18th
Tuesday
Aug 19th
Wednesday
Aug 20th
Thursday
Aug 21st
Friday
Aug 22nd
Cloudy Thundershowers Cloudy Mix of Cloud and Sun Mostly Sunny
89°F
91°F
81°F
87°F
80°F
88°F
83°F
88°F
83°F
 
 Sanibel Detailed Weather Forecast  
 
Monday, August 18th, 2025
Afternoon Temperature: 88°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 85°F
Clear with a chance of showers or thundershowers. Windy at times.
Tuesday, August 19th, 2025
Overnight Temperature: 82°F
Clear. Chance of a thunderstorm.
Morning Temperature: 88°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Cloudy with sunny periods with a few showers. Chance of a thunderstorm. Windy at times.
Evening Temperature: 84°F
A mix of clear and cloudy skies with showers likely. Chance of a thunderstorm.
Wednesday, August 20th, 2025
Overnight Temperature: 81°F
Cloudy. Chance of a thunderstorm.
Morning Temperature: 86°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
A mix of sun and cloud. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
A mix of cloudy and clear skies with a slight chance of showers or thundershowers. Windy at times.
Thursday, August 21st, 2025
Overnight Temperature: 83°F
A mix of cloudy and clear skies with a slight chance of showers or thundershowers.
Morning Temperature: 87°F
A mix of sun and cloud. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
A mix of clear and cloudy skies with a chance of showers or thundershowers.
Friday, August 22nd, 2025
Overnight Temperature: 83°F
Clear. Chance of a thunderstorm.
Morning Temperature: 87°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 84°F
Mostly clear with a chance of showers or thundershowers.
Saturday, August 23rd, 2025
Overnight Temperature: 81°F
Clear with cloudy periods with a slight chance of showers or thundershowers.
Morning Temperature: 86°F
Sunny with cloudy periods with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 87°F
Sunny with cloudy periods with showers likely. Chance of a thunderstorm.
Evening Temperature: 83°F
A mix of clear and cloudy skies with a few showers. Chance of a thunderstorm. Windy at times.
Sunday, August 24th, 2025
Overnight Temperature: 81°F
A mix of cloudy and clear skies with showers likely. Chance of a thunderstorm. Windy at times.
Morning Temperature: 87°F
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 87°F
A mix of cloud and sun with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 84°F
A mix of clear and cloudy skies with showers likely. Chance of a thunderstorm. Windy at times.
Monday, August 25th, 2025
Overnight Temperature: 82°F
A mix of cloudy and clear skies. Chance of a thunderstorm.
Morning Temperature: 88°F
Sunny with cloudy periods. Chance of a thunderstorm.
Afternoon Temperature: 88°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 82°F
A mix of cloudy and clear skies with a chance of showers or thundershowers. Windy at times.
Tuesday, August 26th, 2025
Overnight Temperature: 81°F
Cloudy. Chance of a thunderstorm. Windy.
Morning Temperature: 86°F
Cloudy with a slight chance of showers or thundershowers. Windy.
Afternoon Temperature: 80°F
Cloudy with a few showers. Slight chance of a thunderstorm. Wind 35 to 45 mph.
Evening Temperature: 81°F
Cloudy with rain, at times heavy. Chance of a thunderstorm. Wind 45 to 55 mph.





 

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This WeatherCity Weather Forecast for Sanibel, Florida, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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