Sea Island Weather Forecast
- 59
- 69
Mostly Cloudy
- 56
- 71
Chance Rain Showers
- 40
- 65
Mostly Cloudy
- 40
- 52
Mostly Cloudy
- 45
- 57
Chance Rain Showers
- 44
- 60
Chance Rain Showers
- 34
- 56
Slight Chance Rain Showers
Today 9 Jan Coastal Glynn
Mostly cloudy. Areas of dense fog. Highs in the lower 70s. Southeast Winds 5 to 10 Mph.
Tonight 9 Jan Coastal Glynn
Mostly cloudy. Patchy dense fog after midnight. Lows in the upper 50s. South Winds around 5 Mph.
Sea Island Temperature Statistics
January Temperature
Brunswick, Malcolm McKinnon Airport (3.1 miles)
Lowest 1 January, 2026
41 °FAverage January
57.3 °FHighest 7 January, 2026
75.2 °F
Climate (2021–Present)
Brunswick, Malcolm McKinnon Airport (3.1 miles)
Average Low 2021–2026
63 °FAverage 2021–2026
70.2 °FAverage High 2021–2026
78 °F