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

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

A Few Clouds

82°F

28°C

Humidity 84%
Wind Speed SW 13 G 18 mph
Barometer 29.82 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 29 Jul 9:55 pm EDT
Extended Forecast for

Jekyll Island GA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 78. West wind around 11 mph, with gusts as high as 15 mph.

    Low: 78 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 92. Heat index values as high as 103. West wind 6 to 10 mph becoming south in the afternoon.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 77. Southwest wind 7 to 10 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 100. West wind 5 to 10 mph becoming southeast in the afternoon.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 77. South wind 7 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.

    Low: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    Mostly Sunny
    then T-storms
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.

    Low: 77 °F

    T-storms
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Breezy. Chance of precipitation is 80%.

    High: 87 °F

    Chance
    T-storms then
    T-storms and
    Breezy

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 77. Chance of precipitation is 80%.

    Low: 77 °F

    T-storms then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 78. West wind around 11 mph, with gusts as high as 15 mph.
Thursday
Sunny, with a high near 92. Heat index values as high as 103. West wind 6 to 10 mph becoming south in the afternoon.
Thursday Night
A 50 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 77. Southwest wind 7 to 10 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Heat index values as high as 100. West wind 5 to 10 mph becoming southeast in the afternoon.
Friday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 77. South wind 7 to 10 mph becoming southwest after midnight. Chance of precipitation is 30%.
Saturday
Showers and thunderstorms likely after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 87. Breezy. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 77. Chance of precipitation is 80%.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 77. Chance of precipitation is 60%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 78.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Jekyll Island GA
 31.05°N 81.41°W
Last Update:
9:51 pm EDT Jul 29, 2026
Forecast Valid:
10pm EDT Jul 29, 2026-6pm EDT Aug 5, 2026
 
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