Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

79°F

26°C

Humidity 94%
Wind Speed N 6 mph
Barometer 29.95 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 21 Sep 9:55 am EDT
Extended Forecast for

Sea Island GA

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before noon.  Mostly cloudy, with a high near 87. North wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers after midnight.  Partly cloudy, with a low around 74. East wind 5 to 9 mph becoming south after midnight.

    Low: 74 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 2pm.  Partly sunny, with a high near 87. Calm wind becoming northeast 5 to 8 mph in the morning.  Chance of precipitation is 30%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am.  Partly cloudy, with a low around 74. Light east wind.

    Low: 74 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 11am.  Mostly cloudy, with a high near 87. Northeast wind 6 to 13 mph, with gusts as high as 18 mph.  Chance of precipitation is 70%.

    High: 87 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am.  Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny, with a high near 84. Breezy.

    High: 84 °F

    Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 8pm.  Partly cloudy, with a low around 68. Breezy.

    Low: 68 °F

    Breezy.
    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 80. Breezy.

    High: 80 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 87. North wind 6 to 11 mph becoming east in the afternoon. Winds could gust as high as 20 mph.
Tonight
A 20 percent chance of showers after midnight. Partly cloudy, with a low around 74. East wind 5 to 9 mph becoming south after midnight.
Tuesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 30%.
Tuesday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 74. Light east wind.
Wednesday
Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 87. Northeast wind 6 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 72.
Thursday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 84. Breezy.
Thursday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. Breezy.
Friday
Mostly sunny, with a high near 80. Breezy.
Friday Night
Mostly clear, with a low around 67.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 82.
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ABOUT THIS FORECAST

 
Point Forecast:
Sea Island GA
 31.18°N 81.36°W
10:06 am EDT Sep 21, 2026
10am EDT Sep 21, 2026-6pm EDT Sep 27, 2026
 
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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