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: 1056 PM EST THU FEB 26 2026

Overcast
Temp: 60°F
  • Humidity:
  • 80%
  • Winds:
  • N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.96 in.
  • Dewpoint:
  • 54°F
  • Heat index:
  • 60°F

  • Sunrise:
  • 6:54 AM EST
  • Sunset:
  • 6:15 PM EST
  • Moonrise:
  • 1:13 PM EST
  • Moonset:
  • 3:26 AM EST

TONIGHT

CHANCE OF SHOWERS
Lo: 55°F
Precip: 70%

FRIDAY

CHANCE OF T-STORM
Hi: 65°F
Lo: 55°F
Precip: 90%

SATURDAY

PARTLY SUNNY
Hi: 65°F
Lo: 50°F
Precip: 20%

SUNDAY

SUNNY

Hi: 69°F
Lo: 51°F
Weather Forecast In Detail:
Forecast Issued: 438 PM EST Thu Feb 26 2026

Tonight...Mostly cloudy with a slight chance of thunderstorms. A chance of showers this evening, then showers likely after midnight. Lows in the mid 50s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.
Friday...Showers with a slight chance of thunderstorms in the morning, then showers likely in the afternoon. Highs in the mid 60s. Southwest winds around 5 mph, becoming northeast around 5 mph in the afternoon. Chance of rain 90 percent.
Friday Night...Showers likely, mainly in the evening. Lows in the mid 50s. Northeast winds around 5 mph. Chance of rain 70 percent.
Saturday...Cloudy with a slight chance of showers in the morning, then partly sunny in the afternoon. Highs in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.
Saturday Night...Partly cloudy. Lows around 50. Northeast winds around 5 mph, becoming north after midnight.
Sunday...Sunny. Highs in the upper 60s.
Sunday Night...Partly cloudy. Lows in the lower 50s.
Monday...Partly sunny with a 20 percent chance of showers. Highs in the mid 60s.
Monday Night...Mostly cloudy with a 20 percent chance of showers. Lows in the upper 40s.
Tuesday...Mostly cloudy with a 20 percent chance of showers. Highs in the lower 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. Lows in the mid 50s.
Thursday...Partly sunny with a 40 percent chance of showers. Highs in the lower 70s.
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