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

82°F

28°C

Humidity 94%
Wind Speed S 10 G 16 mph
Barometer 30.07 in
Dewpoint 81°F (27°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 13 Jun 3:35 pm EDT
Extended Forecast for

3 Miles SSW Saint Simons GA

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Breezy, with a southeast wind around 15 mph, with gusts as high as 23 mph.

    High: 87 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 77. Breezy, with a south wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 77 °F

    T-storms
    Likely and
    Breezy then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 85. South wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Mostly Sunny
    then Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 76. South wind 7 to 9 mph. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. South wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.

    High: 90 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.

    Low: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91.

    High: 91 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Breezy, with a southeast wind around 15 mph, with gusts as high as 23 mph.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 77. Breezy, with a south wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Partly sunny, with a high near 85. South wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and thunderstorms likely, mainly before 10pm. Mostly cloudy, with a low around 76. South wind 7 to 9 mph. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 90. South wind 7 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%.
Sunday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 91.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 77.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Juneteenth
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Saint Simons GA
 31.14°N 81.39°W
Last Update:
2:45 pm EDT Jun 13, 2025
Forecast Valid:
3pm EDT Jun 13, 2025-6pm EDT Jun 19, 2025
 
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Additional Resources

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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