Weather World
St. Marks Square, GA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
St. Marks Square, GA Weather Forecast
St. Marks Square, GA Weather Forecast Date: 227 PM EDT Sun Oct 25 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 cloudy with a 20% chance of showers. Windy with highs in the lower 70s. Northeast winds 20 to 30 mph with gusts up to 45 mph.
Tonight... Mostly cloudy in the evening, then becoming partly cloudy. Windy with lows around 60. Northeast winds 20 to 30 mph. Gusts up to 45 mph in the evening.
Monday... Sunny. Highs in the lower 70s. Northeast winds 15 to 20 mph with gusts up to 35 mph.
Monday Night... Mostly clear. Lows in the upper 50s. Northeast winds 15 to 20 mph.
Tuesday... Sunny. Highs in the mid 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night... Mostly clear. Lows around 60.
Wednesday... Mostly sunny and breezy. Highs in the mid 70s.
Wednesday Night... Mostly cloudy. A 20% chance of showers. Breezy. Lows in the mid 60s. Highs in the mid 70s.
Thursday... Mostly cloudy. A 20% chance of showers. Breezy. Lows in the mid 60s. Highs in the mid 70s.
Thursday Night... Partly cloudy with a 20% chance of showers. Lows in the mid 60s. Highs in the upper 70s.
Friday... Partly cloudy with a 20% chance of showers. Lows in the mid 60s. Highs in the upper 70s.
POP = Probability of Precipitation
St. Marks Square Radar Loop
Use the map search tool if you want to place a location marker on the radar map...