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.

Fair

68°F

20°C

Humidity 100%
Wind Speed W 5 mph
Barometer 30.06 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 9 Mar 4:35 am EDT
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 80 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 60. South wind 3 to 6 mph.

    Low: 60 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 16 mph.

    High: 80 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 8am. Mostly sunny, with a high near 68.

    High: 68 °F

    Slight Chance
    Showers then
    Sunny

Detailed Forecast

Today
Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 79. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Tonight
Partly cloudy, with a low around 60. Light south wind.
Tuesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Tuesday Night
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 60. South wind 3 to 6 mph.
Wednesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 80. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 16 mph.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers, mainly before 2am. Partly cloudy, with a low around 53.
Friday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 68.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 57.
Sunday
A 30 percent chance of showers. Sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
1:26 am EDT Mar 9, 2026
Forecast Valid:
4am EDT Mar 9, 2026-6pm EDT Mar 15, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation