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.

Thunderstorm in Vicinity

91°F

33°C

Humidity 67%
Wind Speed SE 13 mph
Barometer 29.98 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index107°F (42°C)
Last update 29 Jun 4:55 pm EDT
Extended Forecast for

2 Miles SSW Saint Simons GA

Heat Advisory until June 29, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 29, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 80. South wind around 5 mph becoming calm in the evening.

    Low: 80 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Sunny, with a high near 89. Heat index values as high as 102. Breezy, with an east wind 6 to 16 mph.

    High: 89 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 80. East wind 6 to 9 mph.

    Low: 80 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 88. Breezy, with a northeast wind 9 to 16 mph, with gusts as high as 20 mph.

    High: 88 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Partly sunny, with a steady temperature around 88. Heat index values as high as 100. East wind around 7 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 80. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Heat index values as high as 102. Breezy, with an east wind 6 to 16 mph.
Tuesday Night
Partly cloudy, with a low around 80. East wind 6 to 9 mph.
Wednesday
Sunny, with a high near 88. Breezy, with a northeast wind 9 to 16 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 78.
Thursday
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 78.
Friday
Sunny, with a high near 89.
Friday Night
Mostly clear, with a low around 79.
Independence Day
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 92.
Saturday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Saint Simons GA
 31.14°N 81.39°W
Last Update:
2:21 pm EDT Jun 29, 2026
Forecast Valid:
5pm EDT Jun 29, 2026-6pm EDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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