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

63°F

17°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 30.20 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 5 Mar 3:35 am EST
Extended Forecast for

Saint Simons GA

  • Overnight

    Overnight: Areas of dense fog. Otherwise, mostly cloudy, with a steady temperature around 58. Calm wind.

    Low: 58 °F

    Areas Dense
    Fog

  • Thursday

    Thursday: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming southeast 5 to 8 mph in the afternoon.

    High: 74 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming east 5 to 7 mph in the afternoon.

    High: 75 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy fog. Otherwise, partly cloudy, with a low around 58. Light southeast wind.

    Low: 58 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.

    High: 75 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 78.

    High: 78 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a steady temperature around 58. Calm wind.
Thursday
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 74. Calm wind becoming southeast 5 to 8 mph in the afternoon.
Thursday Night
Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 58. East wind around 5 mph becoming calm in the evening.
Friday
Areas of fog before 10am. Otherwise, mostly sunny, with a high near 75. Calm wind becoming east 5 to 7 mph in the afternoon.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 58. Light southeast wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 78.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 59.
Monday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Simons GA
 31.19°N 81.39°W
Last Update:
12:27 am EST Mar 5, 2026
Forecast Valid:
3am EST Mar 5, 2026-6pm EDT Mar 11, 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