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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Saint Simons GA

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. Breezy, with a south wind 11 to 16 mph, with gusts as high as 23 mph.

    Low: 76 °F

    Mostly Cloudy
    and Breezy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers before 9am. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 11 to 14 mph, with gusts as high as 21 mph.

    High: 91 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 75. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. South wind 6 to 11 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.

    High: 91 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. South wind 3 to 7 mph. Chance of precipitation is 60%.

    Low: 73 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.

    High: 87 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 70%.

    Low: 74 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 76. Breezy, with a south wind 11 to 16 mph, with gusts as high as 23 mph.
Tuesday
A 20 percent chance of showers before 9am. Mostly sunny, with a high near 91. Heat index values as high as 101. South wind 11 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 75. South wind 8 to 11 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 91. South wind 6 to 11 mph, with gusts as high as 15 mph. Chance of precipitation is 60%.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 73. South wind 3 to 7 mph. Chance of precipitation is 60%.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 93.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 73.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 70%.
Friday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 70%.
Saturday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 86. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 71. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.
Monday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Breezy. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
8:01 pm EDT May 25, 2026
Forecast Valid:
9pm EDT May 25, 2026-6pm EDT Jun 1, 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