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.

Overcast

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.00 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 7 Jan 3:35 am EST
Extended Forecast for

Saint Simons Island GA

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. Southwest wind around 5 mph.

    Low: 55 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 73. Southwest wind 3 to 7 mph.

    High: 73 °F

    Patchy Fog
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Partly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 69. Calm wind becoming east around 6 mph in the afternoon.

    High: 69 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55. Calm wind.

    Low: 55 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 55. Southwest wind around 5 mph.
Wednesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 73. Southwest wind 3 to 7 mph.
Wednesday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 55. Calm wind.
Thursday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 69. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 55. Calm wind.
Friday
Partly sunny, with a high near 72.
Friday Night
Mostly cloudy, with a low around 56.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Partly cloudy, with a low around 54.
Sunday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 66.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
3:31 am EST Jan 7, 2026
Forecast Valid:
3am EST Jan 7, 2026-6pm EST Jan 13, 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