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.

Fair

76°F

24°C

Humidity 94%
Wind Speed NE 8 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index76°F (24°C)
Last update 21 Sep 7:53 am EDT
Extended Forecast for

Sanibel FL

  • Today

    Today: Isolated showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 98. Northeast wind 10 to 13 mph. Chance of precipitation is 10%.

    High: 91 °F

    Mostly Sunny
    then Isolated
    T-storms

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77. East northeast wind 10 to 13 mph. Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    Showers then
    Partly Cloudy

  • Monday

    Monday: Isolated showers and thunderstorms before 8am, then scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Heat index values as high as 97. East northeast wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 89 °F

    Isolated
    T-storms then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms before 2am. Mostly cloudy, with a low around 78. North wind around 9 mph becoming east after midnight. Chance of precipitation is 40%.

    Low: 78 °F

    Scattered
    T-storms

  • Tuesday

    Tuesday: Scattered showers and thunderstorms after 8am. Mostly sunny, with a high near 89. East wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 50%.

    High: 89 °F

    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Isolated showers and thunderstorms before 11pm, then isolated showers between 11pm and 2am. Partly cloudy, with a low around 78. North wind around 7 mph becoming east northeast after midnight. Chance of precipitation is 20%.

    Low: 78 °F

    Isolated
    T-storms then
    Isolated
    Showers

  • Wednesday

    Wednesday: Scattered showers and thunderstorms after 2pm. Sunny, with a high near 89. East northeast wind around 7 mph becoming west in the afternoon. Chance of precipitation is 30%.

    High: 89 °F

    Sunny then
    Scattered
    T-storms

  • Wednesday Night

    Wednesday Night: Scattered showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 78. Northwest wind around 7 mph becoming east northeast after midnight. Chance of precipitation is 30%.

    Low: 78 °F

    Scattered
    T-storms

  • Thursday

    Thursday: Isolated showers and thunderstorms after 2pm. Sunny, with a high near 88. East northeast wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 20%.

    High: 88 °F

    Sunny then
    Isolated
    T-storms

Detailed Forecast

Today
Isolated showers and thunderstorms after 5pm. Mostly sunny, with a high near 91. Heat index values as high as 98. Northeast wind 10 to 13 mph. Chance of precipitation is 10%.
Tonight
Scattered showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77. East northeast wind 10 to 13 mph. Chance of precipitation is 30%.
Monday
Isolated showers and thunderstorms before 8am, then scattered showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Heat index values as high as 97. East northeast wind 6 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Scattered showers and thunderstorms before 2am. Mostly cloudy, with a low around 78. North wind around 9 mph becoming east after midnight. Chance of precipitation is 40%.
Tuesday
Scattered showers and thunderstorms after 8am. Mostly sunny, with a high near 89. East wind around 7 mph becoming west southwest in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Isolated showers and thunderstorms before 11pm, then isolated showers between 11pm and 2am. Partly cloudy, with a low around 78. North wind around 7 mph becoming east northeast after midnight. Chance of precipitation is 20%.
Wednesday
Scattered showers and thunderstorms after 2pm. Sunny, with a high near 89. East northeast wind around 7 mph becoming west in the afternoon. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms, mainly before 8pm. Mostly clear, with a low around 78. Northwest wind around 7 mph becoming east northeast after midnight. Chance of precipitation is 30%.
Thursday
Isolated showers and thunderstorms after 2pm. Sunny, with a high near 88. East northeast wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 20%.
Thursday Night
Isolated showers and thunderstorms before 2am. Mostly clear, with a low around 79. Chance of precipitation is 20%.
Friday
Scattered showers and thunderstorms. Sunny, with a high near 88. Chance of precipitation is 30%.
Friday Night
Scattered showers and thunderstorms. Mostly clear, with a low around 79. Chance of precipitation is 30%.
Saturday
Scattered showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Sanibel FL
 26.44°N 82.1°W (Elev. 3 ft)
Last Update:
7:55 am EDT Sep 21, 2025
Forecast Valid:
8am EDT Sep 21, 2025-6pm EDT Sep 27, 2025
 
Forecast Discussion
 
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Additional Resources

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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