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.

Thunderstorm in Vicinity

72°F

22°C

Humidity 88%
Wind Speed E 5 mph
Barometer 30.28 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 1 Apr 10:35 am EDT
Extended Forecast for

Saint Simons GA

  • Today

    Today: Partly sunny, with a high near 79. Calm wind becoming southeast 5 to 9 mph in the afternoon.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southeast wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 77. Light east wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

    High: 77 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 62. Southeast wind 3 to 8 mph. Chance of precipitation is 10%.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 78. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79.

    High: 79 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 79. Calm wind becoming southeast 5 to 9 mph in the afternoon.
Tonight
Partly cloudy, with a low around 61. Southeast wind around 6 mph becoming calm in the evening.
Thursday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 77. Light east wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of thunderstorms before 8pm. Partly cloudy, with a low around 62. Southeast wind 3 to 8 mph. Chance of precipitation is 10%.
Friday
A 30 percent chance of showers before 2pm. Mostly sunny, with a high near 78. Light east wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Friday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 63.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 62.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.
Sunday Night
A slight chance of showers and thunderstorms, then a chance of showers after 8pm. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Monday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 70. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
10:42 am EDT Apr 1, 2026
Forecast Valid:
10am EDT Apr 1, 2026-6pm EDT Apr 7, 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