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

61°F

16°C

Humidity 100%
Wind Speed SW 13 mph
Barometer 29.96 in
Dewpoint 61°F (16°C)
Visibility 9.00 mi
Last update 29 Dec 8:15 am EST
Extended Forecast for

Saint Simons GA

  • Today

    Today: A 50 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 74. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 33 °F

    Partly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Wind chill values as low as 25 early. Northwest wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Widespread frost after 1am. Otherwise, clear, with a low around 29. Northwest wind around 6 mph.

    Low: 29 °F

    Clear then
    Frost

  • Wednesday

    Wednesday: Widespread frost before 8am. Otherwise, sunny, with a high near 57. Northwest wind 6 to 9 mph.

    High: 57 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • New Year's Day

    New Year's Day: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
A 50 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 74. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 26 mph. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 33. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 24 mph.
Tuesday
Sunny, with a high near 53. Wind chill values as low as 25 early. Northwest wind 8 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
Widespread frost after 1am. Otherwise, clear, with a low around 29. Northwest wind around 6 mph.
Wednesday
Widespread frost before 8am. Otherwise, sunny, with a high near 57. Northwest wind 6 to 9 mph.
Wednesday Night
Clear, with a low around 35.
New Year's Day
Sunny, with a high near 63.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 65.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 50.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 68. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.17°N 81.42°W
Last Update:
8:07 am EST Dec 29, 2025
Forecast Valid:
8am EST Dec 29, 2025-6pm EST Jan 4, 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