Sea Island Weather Forecast
- 75
- 86
Rain Showers
- 75
- 86
Thunderstorms Likely
- 73
- 89
Chance Thunderstorms
- 74
- 89
Slight Chance Thunderstorms
- 75
- 85
Chance Thunderstorms
- 74
- 84
Chance Thunderstorms
Today 23 Aug Coastal Glynn
Partly sunny. A chance of Showers and Thunderstorms this Morning, then Showers and Thunderstorms likely this afternoon. Some Thunderstorms may produce heavy rainfall this morning. Highs in the mid 80s. Northeast Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 23 Aug Coastal Glynn
Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the lower 70s. East Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 70 percent.
Sea Island Temperature Statistics
August Temperature
Brunswick, Malcolm McKinnon Airport (3.1 miles)
Lowest 8 August, 2025
73.4 °FAverage August
82.6 °FHighest 1 August, 2025
98.6 °F
Climate (2020–Present)
Brunswick, Malcolm McKinnon Airport (3.1 miles)
Average Low 2020–2025
63.2 °FAverage 2020–2025
70.3 °FAverage High 2020–2025
77.9 °F