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: 956 PM EDT FRI OCT 24 2025

Clear


Temp: 59°F
  • Humidity:
  • 64%
  • Winds:
  • 6 MPH ENE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.23 in.
  • Dewpoint:
  • 47°F
  • Heat index:
  • 59°F

  • Sunrise:
  • 7:31 AM EDT
  • Sunset:
  • 6:39 PM EDT
  • Moonrise:
  • 10:31 AM EDT
  • Moonset:
  • 8:22 PM EDT

TONIGHT

MOSTLY CLEAR

SATURDAY

SUNNY

Hi: 71°F

SUNDAY

PARTLY SUNNY
Hi: 71°F
Lo: 61°F
Precip: 20%

MONDAY

CHANCE OF T-STORM
Hi: 69°F
Lo: 59°F
Precip: 60%
Weather Forecast In Detail:
Forecast Issued: 537 PM EDT Fri Oct 24 2025

Tonight...Mostly clear. Lows in the lower 50s, except in the upper 50s near the coast. Northeast winds 5 to 10 mph.
Saturday...Sunny. Highs in the lower 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Saturday Night...Partly cloudy. Lows in the mid 50s, except in the upper 50s near the coast. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Sunday...Partly sunny. A slight chance of showers in the afternoon. Highs in the lower 70s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
Sunday Night...Cloudy. A chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
Monday...Showers likely with a chance of thunderstorms. Highs in the upper 60s. Chance of rain 60 percent.
Monday Night...Mostly cloudy with a 40 percent chance of showers. Lows in the upper 50s.
Tuesday...Mostly cloudy with a 20 percent chance of showers. Highs in the mid 60s.
Tuesday Night...Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s.
Wednesday...Mostly sunny with a 20 percent chance of showers. Highs in the upper 60s.
Wednesday Night...Partly cloudy with a 20 percent chance of showers. Lows in the lower 50s.
Thursday...Mostly sunny. Highs in the mid 60s.
Thursday Night...Mostly clear. Lows in the upper 40s.
Friday...Sunny. Highs in the mid 60s.
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