Marine Weather Net

St. Simons Island, GA Weather Forecast




Saint Simons Island, Georgia

 Lat: 31.15N, Lon: 81.37W

Current Conditions Updated: 615 AM EDT TUE SEP 8 2026

Partly Cloudy
Temp: 82°F
  • Humidity:
  • 74%
  • Winds:
  • 14 MPH ENE
  • Gusts:
  • 22 MPH
  • Barometer:
  • 30.05 in.
  • Dewpoint:
  • 73°F
  • Heat index:
  • 87°F

  • Sunrise:
  • 7:03 AM EDT
  • Sunset:
  • 7:40 PM EDT
  • Moonrise:
  • 4:14 AM EDT
  • Moonset:
  • 6:15 PM EDT

TONIGHT

PARTLY CLOUDY
Lo: 75°F
Precip: 20%

TUESDAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 50%

WEDNESDAY

PARTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 70%

MONDAY

PARTLY SUNNY
Hi: 89°F
Precip: 50%
Weather Forecast In Detail:
Forecast Issued: 222 AM EDT Tue Sep 08 2026

HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH LATE TONIGHT
Rest Of Tonight...Partly cloudy with a 20 percent chance of showers. Lows in the mid 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Tuesday...Partly sunny in the morning, then becoming mostly cloudy. 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. Northeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
Tuesday Night...Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the mid 70s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.
Wednesday...Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.
Wednesday Night...Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 70s. East winds 10 to 15 mph, becoming southeast around 5 mph after midnight. Chance of rain 40 percent.
Thursday And Thursday Night...Mostly cloudy. Showers likely with a chance of thunderstorms. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 70 percent.
Friday And Friday Night...Mostly cloudy. Showers likely with a chance of thunderstorms. Highs around 90. Lows in the mid 70s. Chance of rain 60 percent.
Saturday And Saturday Night...Mostly cloudy. A chance of showers and thunderstorms. Highs around 90. Lows in the mid 70s. Chance of rain 50 percent.
Sunday And Sunday Night...Partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Lows in the mid 70s. Chance of rain 50 percent.
Monday...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 upper 80s. Chance of rain 50 percent.
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