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

46°F

8°C

Humidity 46%
Wind Speed N 8 mph
Barometer 30.30 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 11 Jan 11:35 pm EST
Extended Forecast for

Saint Simons GA

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Wind chill values as low as 30. North wind around 13 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. North wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Patchy frost after 5am. Otherwise, partly cloudy, with a low around 35. North wind 5 to 7 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming north around 5 mph.

    High: 61 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. Calm wind.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Sunny, with a high near 54.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 4am. Otherwise, clear, with a low around 27.

    Low: 27 °F

    Clear then
    Areas Frost

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Wind chill values as low as 30. North wind around 13 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 53. North wind 10 to 13 mph, with gusts as high as 20 mph.
Monday Night
Patchy frost after 5am. Otherwise, partly cloudy, with a low around 35. North wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 42. Calm wind.
Wednesday
A 30 percent chance of showers. Mostly cloudy, with a high near 59.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41.
Thursday
Sunny, with a high near 54.
Thursday Night
Areas of frost after 4am. Otherwise, clear, with a low around 27.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 54.
Friday Night
Mostly clear, with a low around 35.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 37.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
11:02 pm EST Jan 11, 2026
Forecast Valid:
11pm EST Jan 11, 2026-6pm EST Jan 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation