National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fort Myers, Southwest Florida International Airport (KRSW)

Lat: 26.53°NLon: 81.77°WElev: 30ft.

Mostly Cloudy

80°F

27°C

Humidity 87%
Wind Speed Calm
Barometer 30.09 in (1018.6 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 27 Aug 11:53 pm EDT
Extended Forecast for

Sanibel FL

  • Overnight

    Overnight: Isolated showers and thunderstorms. Mostly clear, with a low around 80. East wind around 8 mph. Chance of precipitation is 20%.

    Low: 80 °F

    Isolated
    T-storms

  • Thursday

    Thursday: Scattered showers and thunderstorms, mainly after 2pm. Sunny, with a high near 92. Heat index values as high as 100. East wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Thursday Night

    Thursday Night: Scattered showers and thunderstorms before 2am. Mostly clear, with a low around 79. West northwest wind around 7 mph becoming east southeast after midnight. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Friday

    Friday: Isolated showers, then scattered showers and thunderstorms after 11am. Sunny, with a high near 90. Heat index values as high as 99. East southeast wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 50%.

    High: 90 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 79. North northwest wind around 8 mph becoming east after midnight. Chance of precipitation is 40%.

    Low: 79 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. South southeast wind 6 to 8 mph becoming west southwest in the afternoon. Chance of precipitation is 60%.

    High: 90 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 78. Northwest wind around 8 mph becoming east southeast after midnight. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. West wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 90 °F

    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. West northwest wind around 10 mph. Chance of precipitation is 60%.

    Low: 79 °F

    T-storms
    Likely

Detailed Forecast

Overnight
Isolated showers and thunderstorms. Mostly clear, with a low around 80. East wind around 8 mph. Chance of precipitation is 20%.
Thursday
Scattered showers and thunderstorms, mainly after 2pm. Sunny, with a high near 92. Heat index values as high as 100. East wind around 6 mph becoming southwest in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Scattered showers and thunderstorms before 2am. Mostly clear, with a low around 79. West northwest wind around 7 mph becoming east southeast after midnight. Chance of precipitation is 40%.
Friday
Isolated showers, then scattered showers and thunderstorms after 11am. Sunny, with a high near 90. Heat index values as high as 99. East southeast wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 50%.
Friday Night
Scattered showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 79. North northwest wind around 8 mph becoming east after midnight. Chance of precipitation is 40%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. South southeast wind 6 to 8 mph becoming west southwest in the afternoon. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 78. Northwest wind around 8 mph becoming east southeast after midnight. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 90. West wind 8 to 10 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 79. West northwest wind around 10 mph. Chance of precipitation is 60%.
Labor Day
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms likely. Mostly sunny, with a high near 90. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sanibel FL
 26.44°N 82.1°W (Elev. 3 ft)
Last Update:
2:58 pm EDT Aug 27, 2025
Forecast Valid:
12am EDT Aug 28, 2025-6pm EDT Sep 3, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation