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.

Partly Cloudy

50°F

10°C

Humidity 94%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 13 Jan 9:15 pm EST
Extended Forecast for

Saint Simons GA

  • Tonight

    Tonight: Increasing clouds, with a low around 43. Light west wind.

    Low: 43 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: A slight chance of showers before 1pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 61. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Southwest wind around 7 mph, with gusts as high as 16 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 53. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.

    High: 53 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 25. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 25 °F

    Mostly Clear

  • Friday

    Friday: Patchy frost before 8am. Otherwise, sunny, with a high near 53.

    High: 53 °F

    Patchy Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 43. Light west wind.
Wednesday
A slight chance of showers before 1pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 61. Light west wind increasing to 5 to 9 mph in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 41. Southwest wind around 7 mph, with gusts as high as 16 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 53. Northwest wind 9 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Mostly clear, with a low around 25. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Friday
Patchy frost before 8am. Otherwise, sunny, with a high near 53.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 63.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 27.
M.L.King Day
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
7:07 pm EST Jan 13, 2026
Forecast Valid:
9pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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