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NWS JAX Weather Impact Briefing

Isolated Strong and Severe Thunderstorms Expected This Afternoon & Evening Mainly Across Northeast FL and Coastal Southeast Georgia, and Scattered Severe Thunderstorms Possible on Monday For The Entire Area. Read More >

Hazardous Weather Conditions

Current conditions at

Brunswick, Malcolm McKinnon Airport (KSSI)

Lat: 31.15°NLon: 81.39°WElev: 20ft.

Overcast

70°F

21°C

Humidity 88%
Wind Speed S 20 G 33 mph
Barometer 29.92 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 15 Mar 9:55 pm EDT
Extended Forecast for

Brunswick GA

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Showers
    Likely then
    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 76. Windy, with a south wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Severe
    Thunderstorms
    and Windy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 37. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 23 mph.

    Low: 37 °F

    Chance
    T-storms and
    Breezy then
    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. Northwest wind around 10 mph, with gusts as high as 16 mph.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 39. North wind around 6 mph.

    Low: 39 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. South wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and thunderstorms, mainly before 3pm, then showers likely and possibly a thunderstorm after 4pm. Some of the storms could be severe. High near 76. Windy, with a south wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 30 percent chance of showers and thunderstorms before 8pm. Cloudy, then gradually becoming partly cloudy, with a low around 37. Breezy, with a northwest wind 13 to 16 mph, with gusts as high as 23 mph.
Tuesday
Partly sunny, with a high near 55. Northwest wind around 10 mph, with gusts as high as 16 mph.
Tuesday Night
Partly cloudy, with a low around 39. North wind around 6 mph.
Wednesday
Sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Brunswick GA
 31.15°N 81.5°W
Last Update:
7:32 pm EDT Mar 15, 2026
Forecast Valid:
10pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation