Marine Weather Net

Saint Helena Island, SC Weather Forecast


Marine Forecast: Edisto Beach to Savannah


Saint Helena Island, South Carolina

 Lat: 32.39N, Lon: 80.72W

Current Conditions Updated: 1256 AM EST SAT JAN 17 2026

Clear


Temp: 30°F
  • Humidity:
  • 95%
  • Winds:
  • 3 MPH N
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.18 in.
  • Dewpoint:
  • 29°F
  • Heat index:
  • 30°F

  • Sunrise:
  • 7:23 AM EST
  • Sunset:
  • 5:40 PM EST
  • Moonrise:
  • 6:47 AM EST
  • Moonset:
  • 4:36 PM EST

TONIGHT

MOSTLY CLEAR

SATURDAY

PARTLY SUNNY
Hi: 61°F
Lo: 37°F

SUNDAY

SHOWERS
Hi: 45°F
Lo: 34°F
Precip: 100%

MARTIN LUTHER KING JR DAY

SUNNY

Hi: 51°F
Lo: 31°F
Weather Forecast In Detail:
Forecast Issued: 1237 AM EST Sat Jan 17 2026

Rest Of Tonight...Mostly clear. Lows in the upper 30s, except in the lower 40s near the coast. South winds 5 to 10 mph.
Saturday...Partly sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph.
Saturday Night...Mostly cloudy. A chance of showers after midnight. Lows in the upper 30s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.
Sunday...Showers, mainly in the morning. Cooler with highs in the mid 40s. Northwest winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.
Sunday Night...Mostly clear. Lows in the upper 20s, except in the lower 30s near the coast. West winds 5 to 10 mph.
Martin Luther King Jr Day...Sunny. Highs in the lower 50s.
Monday Night...Mostly clear. Lows in the lower 30s.
Tuesday...Sunny. Highs around 50.
Tuesday Night...Mostly clear. Lows in the lower 30s.
Wednesday...Mostly sunny. Highs in the mid 50s.
Wednesday Night...Mostly cloudy. Lows in the lower 40s.
Thursday...Mostly cloudy with a 20 percent chance of showers. Highs in the lower 60s.
Thursday Night...Mostly cloudy with a 20 percent chance of showers. Lows in the mid 40s.
Friday...Mostly sunny. Highs around 60.
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