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.

Overcast

79°F

26°C

Humidity 94%
Wind Speed NE 9 G 16 mph
Barometer 29.98 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 22 Sep 3:35 am EDT
Extended Forecast for

Saint Simons Island GA

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 72. Northeast wind 3 to 5 mph.

    Low: 72 °F

    Slight Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 83. Northeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 71. Northeast wind 3 to 7 mph.

    Low: 71 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 86. Light north wind becoming northeast 5 to 9 mph in the morning.

    High: 86 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. Light and variable wind.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88.

    High: 88 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 72. Northeast wind 3 to 5 mph.
Monday
A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 83. Northeast wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 71. Northeast wind 3 to 7 mph.
Tuesday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 86. Light north wind becoming northeast 5 to 9 mph in the morning.
Tuesday Night
Partly cloudy, with a low around 71. Light and variable wind.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 71.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 50%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers. Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons Island GA
 31.21°N 81.36°W
Last Update:
1:51 am EDT Sep 22, 2025
Forecast Valid:
4am EDT Sep 22, 2025-6pm EDT Sep 28, 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