St. Marks Square, GA 7-Day Night Weather Forecast
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St. Marks Square, GA Weather Forecast


St. Marks Square, GA Weather Forecast Date: 222 PM EDT Wed Oct 28 2026
The area/counties/county of: Coastal Glynn, including the cities of: Jekyll Island, Glynn Haven, Sea Island, St. Simons, Country Club Estate, and Dock Junction.or toggle through each period.
This Afternoon... Mostly sunny. Highs in the mid 70s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Thursday... Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Northeast winds 15 to 20 mph with gusts up to 30 mph.
Thursday Night... Partly cloudy. Lows in the lower 60s. Northeast winds 10 to 15 mph. Gusts up to 30 mph in the evening.
Friday... Mostly sunny. Highs in the mid 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Friday Night... Mostly cloudy. Lows in the mid 60s.
Saturday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the mid 60s. Chance of rain 30%.
Saturday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the upper 70s. Lows in the mid 60s. Chance of rain 30%.
Sunday... Cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. Chance of rain 50%.
Sunday Night... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Highs in the mid 70s. Chance of rain 50%.
Monday... Mostly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the lower 60s. Highs in the mid 70s. Chance of rain 50%.
Monday Night... A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows around 60. Chance of rain 20%.
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