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.

Fair

77°F

25°C

Humidity 100%
Wind Speed Calm
Barometer 30.07 in
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 16 Jun 2:55 am EDT
Extended Forecast for

Saint Simons GA

  • Overnight

    Overnight: Mostly cloudy, with a low around 77. Southwest wind around 6 mph.

    Low: 77 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Heat index values as high as 102. Southwest wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.

    High: 88 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 77. Southwest wind 8 to 11 mph, with gusts as high as 17 mph.

    Low: 77 °F

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 89. Heat index values as high as 102. South wind 8 to 11 mph, with gusts as high as 17 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. Breezy, with a south wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 78 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Wednesday

    Wednesday: 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

  • Wednesday Night

    Wednesday Night: A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. Breezy.

    Low: 79 °F

    Slight Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.

    Low: 79 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 77. Southwest wind around 6 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Heat index values as high as 102. Southwest wind 6 to 11 mph becoming southeast in the afternoon. Winds could gust as high as 17 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 77. Southwest wind 8 to 11 mph, with gusts as high as 17 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 5pm. Sunny, with a high near 89. Heat index values as high as 102. South wind 8 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
Partly cloudy, with a low around 78. Breezy, with a south wind 11 to 16 mph, with gusts as high as 24 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88.
Wednesday Night
A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 79. Breezy.
Juneteenth
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Thursday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 78.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Sunday
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.16°N 81.37°W
Last Update:
2:45 am EDT Jun 16, 2025
Forecast Valid:
3am EDT Jun 16, 2025-6pm EDT Jun 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation