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 58%
Wind Speed SE 6 mph
Barometer 30.10 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Oct 1:15 pm EDT
Extended Forecast for

Sea Island GA

  • This Afternoon

    This Afternoon: Sunny, with a high near 84. East wind around 6 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 75. Breezy.

    High: 75 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Windy.

    Low: 61 °F

    Partly Cloudy
    and Windy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 73. Very windy.

    High: 73 °F

    Partly Sunny
    and Windy
    then Chance
    Showers and
    Very Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 84. East wind around 6 mph.
Tonight
Mostly clear, with a low around 67. Calm wind.
Thursday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming east around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 75. Breezy.
Saturday Night
Partly cloudy, with a low around 61. Windy.
Sunday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 73. Very windy.
Sunday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 62. Windy.
Monday
A 40 percent chance of showers. Partly sunny, with a high near 77. Windy.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 65. Windy.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 78. Windy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sea Island GA
 31.18°N 81.36°W
Last Update:
1:20 pm EDT Oct 14, 2026
Forecast Valid:
1pm EDT Oct 14, 2026-6pm EDT Oct 20, 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