Marine Weather Net

Sea Island, GA Weather Forecast




Sea Island, Georgia

 Lat: 31.18N, Lon: 81.35W

Current Conditions Updated: 635 PM EST TUE JAN 20 2026

Clear


Temp: 48°F
  • Humidity:
  • 70%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.42 in.
  • Dewpoint:
  • 39°F
  • Heat index:
  • 48°F

  • Sunrise:
  • 7:22 AM EST
  • Sunset:
  • 5:48 PM EST
  • Moonrise:
  • 9:12 AM EST
  • Moonset:
  • 8:47 PM EST

TODAY

PARTLY SUNNY
Hi: 65°F
Lo: 45°F

THURSDAY

PARTLY SUNNY
Hi: 65°F
Lo: 49°F

FRIDAY

MOSTLY SUNNY
Hi: 70°F
Lo: 51°F

SATURDAY

CHANCE OF SHOWERS
Hi: 59°F
Lo: 35°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 1224 AM EST Wed Jan 21 2026

FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EST WEDNESDAY
Today...Patchy frost this morning. Partly sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph.
Tonight...Cloudy. Patchy fog after midnight. Not as cool with lows in the mid 40s. Northeast winds around 5 mph in the evening, becoming light and variable.
Thursday...Partly sunny in the morning, then clearing. Highs in the mid 60s. Northeast winds around 5 mph.
Thursday Night...Mostly clear. Patchy fog. Lows in the upper 40s. East winds around 5 mph.
Friday...Mostly sunny. Highs around 70. Northeast winds around 5 mph.
Friday Night...Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s.
Saturday...Mostly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Cooler with highs in the upper 50s. Chance of rain 30 percent.
Saturday Night...Cloudy with a 40 percent chance of showers. Lows in the mid 40s.
Sunday And Sunday Night...Showers likely. Highs in the lower 60s. Lows in the mid 30s. Chance of rain 70 percent.
Monday...Mostly cloudy with a chance of showers in the morning, then mostly sunny with a slight chance of showers in the afternoon. Cooler with highs in the upper 40s. Chance of rain 50 percent.
Monday Night And Tuesday...Partly cloudy. Lows around 30. Highs in the upper 40s. Wind chill values in the lower 20s.
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