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.

Overcast

79°F

26°C

Humidity 84%
Wind Speed SW 9 mph
Barometer 29.84 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 2 Aug 3:35 am EDT
Extended Forecast for

3 Miles SSW Saint Simons GA

  • Overnight

    Overnight: A 30 percent chance of showers. Mostly cloudy, with a low around 76. Southwest wind around 10 mph, with gusts as high as 15 mph.

    Low: 76 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 91. Heat index values as high as 101. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Breezy.
    Slight Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 77. Breezy, with a southwest wind around 15 mph, with gusts as high as 21 mph.

    Low: 77 °F

    Chance
    T-storms and
    Breezy

  • Monday

    Monday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 90. Heat index values as high as 102. Breezy, with a southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 90 °F

    Showers and
    Breezy then
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 2am. Mostly cloudy, with a low around 77. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    Low: 77 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%.

    High: 91 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.

    Low: 78 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.

    Low: 79 °F

    Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 76. Southwest wind around 10 mph, with gusts as high as 15 mph.
Sunday
Showers and thunderstorms likely, mainly after 3pm. Partly sunny, with a high near 91. Heat index values as high as 101. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 22 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 77. Breezy, with a southwest wind around 15 mph, with gusts as high as 21 mph.
Monday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 90. Heat index values as high as 102. Breezy, with a southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Monday Night
Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms, mainly between 7pm and 2am. Mostly cloudy, with a low around 77. Southwest wind around 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 91. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 78. Chance of precipitation is 60%.
Wednesday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 79.
Thursday
A 30 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly sunny, with a high near 89.
Thursday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 80.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 79.
Saturday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSW Saint Simons GA
 31.14°N 81.39°W
Last Update:
2:21 am EDT Aug 2, 2026
Forecast Valid:
3am EDT Aug 2, 2026-6pm EDT Aug 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