National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Fair

54°F

12°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 54°F (12°C)
Visibility 8.00 mi
Last update 14 Mar 5:35 am EDT
Extended Forecast for

Saint Simons Island GA

  • Today

    Today: Mostly sunny, with a high near 73. Calm wind becoming east 5 to 9 mph in the morning.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. East wind around 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms likely before 2pm, then showers likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 17 mph.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 78. Breezy, with a south wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.

    High: 78 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. Calm wind becoming east 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 59. East wind around 5 mph.
Sunday
Showers and thunderstorms likely before 2pm, then showers likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 77. East wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind 8 to 10 mph, with gusts as high as 17 mph.
Monday
Showers and possibly a thunderstorm. High near 78. Breezy, with a south wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 80%.
Monday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
2:21 am EDT Mar 14, 2026
Forecast Valid:
5am EDT Mar 14, 2026-6pm EDT Mar 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