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

66°F

19°C

Humidity 100%
Wind Speed W 5 mph
Barometer 30.13 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Mar 6:35 am EDT
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind 3 to 6 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62. South wind 5 to 8 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.

    High: 78 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Showers then
    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
    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. South wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 81. Light and variable wind becoming south 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
Wednesday Night
Mostly cloudy, with a low around 62. South wind 5 to 8 mph, with gusts as high as 18 mph.
Thursday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 78. Southwest wind 7 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers. Low around 50. Chance of precipitation is 80%.
Friday
A 10 percent chance of showers before 8am. Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
2:47 am EDT Mar 10, 2026
Forecast Valid:
6am EDT Mar 10, 2026-6pm EDT Mar 16, 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