Marine Weather Net

Cumberland Island, GA Weather Forecast




Cumberland Island, Georgia

 Lat: 30.83N, Lon: 81.45W

Current Conditions Updated: 615 PM EDT SUN SEP 20 2026

Lightning Observed
Temp: 82°F
  • Humidity:
  • 78%
  • Winds:
  • 5 MPH NE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.92 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 88°F

  • Sunrise:
  • 7:11 AM EDT
  • Sunset:
  • 7:24 PM EDT
  • Moonrise:
  • 3:59 PM EDT
  • Moonset:
  • 1:13 AM EDT

THIS AFTERNOON

CHANCE OF SHOWERS
Hi: 89°F
Lo: 71°F
Precip: 40%

MONDAY

PARTLY SUNNY
Hi: 89°F
Lo: 71°F
Precip: 40%

TUESDAY

PARTLY SUNNY
Hi: 89°F
Lo: 71°F
Precip: 50%

THURSDAY

PARTLY SUNNY
Hi: 85°F
Lo: 69°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 222 PM EDT Sun Sep 20 2026

This Afternoon...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Northeast winds around 5 mph. Chance of rain 40 percent.
Tonight...Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 70s. East winds around 5 mph in the evening, becoming light and variable. Chance of rain 40 percent.
Monday...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the upper 80s. North winds around 5 mph, becoming east in the afternoon. Chance of rain 40 percent.
Monday Night...Mostly cloudy. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 70s. East winds 5 to 10 mph in the evening, becoming light and variable. Chance of rain 40 percent.
Tuesday...Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. North winds around 5 mph, becoming east in the afternoon. Chance of rain 50 percent.
Tuesday Night...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 70s. Chance of rain 50 percent.
Wednesday And Wednesday Night...Mostly cloudy. Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the lower 70s. Chance of rain 60 percent.
Thursday...Partly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.
Thursday Night...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 30 percent.
Friday...Partly cloudy. Highs in the lower 80s. Lows in the upper 60s.
Saturday...Partly cloudy. Highs in the lower 80s. Lows in the upper 60s.
SHARE THIS PAGE: