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 >
Current conditions at
Brunswick, Malcolm McKinnon Airport (KSSI)
Lat: 31.15°NLon: 81.39°WElev: 20ft.
Overcast
66°F
19°C
| Humidity | 100% |
| Wind Speed | S 10 mph |
| Barometer | 29.81 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 16 Mar 5:55 am EDT |
Extended Forecast for
Saint Simons GA
Today
High: 77 °F
Severe
Thunderstorms
and WindyTonight
Low: 35 °F
Chance
Showers and
Windy then
Mostly Clear
and BreezyTuesday
High: 57 °F
Patchy Frost
then Mostly
SunnyTuesday Night
Low: 40 °F
Partly Cloudy
Wednesday
High: 59 °F
Sunny
Wednesday Night
Low: 47 °F
Partly Cloudy
Thursday
High: 64 °F
Sunny
Thursday Night
Low: 48 °F
Partly Cloudy
Friday
High: 71 °F
Sunny
Detailed Forecast
Today
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could be severe. High near 77. Windy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Cloudy during the early evening, then gradual clearing, with a low around 35. Windy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Tuesday
Patchy frost before 9am. Otherwise, mostly sunny, with a high near 57. Northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 40. North wind around 8 mph.
Wednesday
Sunny, with a high near 59. Northeast wind around 10 mph, with gusts as high as 15 mph.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 78.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Simons GA
31.16°N 81.39°W
31.16°N 81.39°W
2:21 am EDT Mar 16, 2026
6am EDT Mar 16, 2026-6pm EDT Mar 22, 2026
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