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

81°F

27°C

Humidity 94%
Wind Speed Calm
Barometer 30.02 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 2 Sep 1:15 am EDT
Extended Forecast for

Brunswick GA

  • Overnight

    Overnight: Mostly cloudy, with a low around 76. Light northeast wind.

    Low: 76 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 2pm, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 89. Heat index values as high as 103. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 89 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 76. East wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 88. Heat index values as high as 102. Light east wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%.

    High: 88 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 78. Southeast wind 3 to 8 mph.

    Low: 78 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.

    Low: 76 °F

    Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.

    High: 92 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 76. Light northeast wind.
Wednesday
A slight chance of showers before noon, then a chance of showers and thunderstorms between noon and 2pm, then a slight chance of showers after 2pm. Mostly cloudy, with a high near 89. Heat index values as high as 103. East wind 6 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
A slight chance of showers before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 76. East wind 5 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
Thursday
Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 88. Heat index values as high as 102. Light east wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 17 mph. Chance of precipitation is 60%.
Thursday Night
Partly cloudy, with a low around 78. Southeast wind 3 to 8 mph.
Friday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Chance of precipitation is 40%.
Friday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 76. Chance of precipitation is 30%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 92.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 76.
Sunday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 92. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 76. Chance of precipitation is 60%.
Labor Day
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 87. Breezy. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Brunswick GA
 31.15°N 81.5°W
Last Update:
12:11 am EDT Sep 2, 2026
Forecast Valid:
1am EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
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