Marine Weather Net

St. Simons Island, GA Weather Forecast




Saint Simons Island, Georgia

 Lat: 31.15N, Lon: 81.37W

Current Conditions Updated: 535 PM EDT MON SEP 28 2026

Clear


Temp: 82°F
  • Humidity:
  • 74%
  • Winds:
  • 10 MPH SSE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.86 in.
  • Dewpoint:
  • 73°F
  • Heat index:
  • 87°F

  • Sunrise:
  • 7:15 AM EDT
  • Sunset:
  • 7:14 PM EDT
  • Moonrise:
  • 8:17 PM EDT
  • Moonset:
  • 9:16 AM EDT

TONIGHT

PARTLY CLOUDY
Lo: 69°F

TUESDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 71°F

WEDNESDAY

MOSTLY SUNNY
Hi: 85°F
Lo: 71°F

MONDAY

PARTLY SUNNY
Hi: 81°F
Precip: 60%
Weather Forecast In Detail:
Forecast Issued: 513 PM EDT Mon Sep 28 2026

Tonight...Partly cloudy. Lows in the upper 60s. Southeast winds 5 to 10 mph.
Tuesday...Mostly sunny. Highs in the mid 80s. East winds 5 to 10 mph.
Tuesday Night...Partly cloudy. Lows in the lower 70s. Southeast winds 5 to 10 mph.
Wednesday...Mostly sunny. Highs in the mid 80s. East winds 5 to 10 mph.
Wednesday Night...Mostly clear. Lows in the lower 70s. East winds 5 to 10 mph.
Thursday And Thursday Night...Partly cloudy. Highs in the mid 80s. Lows in the mid 70s.
Friday And Friday Night...Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the mid 70s. Chance of rain 40 percent.
Saturday And Saturday Night...Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the mid 70s. Chance of rain 50 percent.
Sunday And Sunday Night...Mostly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Lows in the lower 70s. Chance of rain 40 percent.
Monday...Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 60 percent.
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