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

54°F

12°C

Humidity 100%
Wind Speed N 7 mph
Barometer 30.23 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 30 Nov 3:35 am EST
Extended Forecast for

Saint Simons Island GA

  • Overnight

    Overnight: Partly cloudy, with a low around 52. Northeast wind 3 to 5 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71. East wind 3 to 6 mph.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53. Calm wind becoming north around 5 mph after midnight.

    Low: 53 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 68. Northeast wind 6 to 14 mph, with gusts as high as 21 mph.

    High: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 50 percent chance of showers. Cloudy, with a low around 57. Northeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 16 mph.

    Low: 57 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 72. Chance of precipitation is 80%.

    High: 72 °F

    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 52. Northeast wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 71. East wind 3 to 6 mph.
Sunday Night
Mostly cloudy, with a low around 53. Calm wind becoming north around 5 mph after midnight.
Monday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 68. Northeast wind 6 to 14 mph, with gusts as high as 21 mph.
Monday Night
A 50 percent chance of showers. Cloudy, with a low around 57. Northeast wind 5 to 10 mph becoming light and variable. Winds could gust as high as 16 mph.
Tuesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 72. Chance of precipitation is 80%.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Cloudy, with a low around 48.
Friday
A 20 percent chance of showers. Cloudy, with a high near 67.
Friday Night
A 40 percent chance of showers. Cloudy, with a low around 52.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
1:46 am EST Nov 30, 2025
Forecast Valid:
3am EST Nov 30, 2025-6pm EST Dec 6, 2025
 
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