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 PM EDT WED JUN 18 2025

Partly Cloudy
Temp: 90°F
  • Humidity:
  • 57%
  • Winds:
  • N/A MPH N/A
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.13 in.
  • Dewpoint:
  • 73°F
  • Heat index:
  • N/A

  • Sunrise:
  • 6:14 AM EDT
  • Sunset:
  • 8:31 PM EDT
  • Moonrise:
  • 1:10 AM EDT
  • Moonset:
  • 1:48 PM EDT

REST OF TODAY

SUNNY

Hi: 91°F
Lo: 79°F
Precip: 20%

JUNETEENTH

SUNNY

Hi: 91°F
Lo: 75°F
Precip: 40%

FRIDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 75°F
Precip: 50%

SATURDAY

MOSTLY SUNNY
Hi: 89°F
Lo: 75°F
Precip: 40%
Weather Forecast In Detail:
Forecast Issued: 1013 AM EDT Wed Jun 18 2025

Rest Of Today...Sunny. A slight chance of showers and thunderstorms this afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
Tonight...Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 70s. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent.
Juneteenth...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 40 percent.
Thursday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
Friday...Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.
Friday Night...Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.
Saturday...Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.
Saturday Night...Mostly clear. Lows in the mid 70s.
Sunday...Sunny with a chance of thunderstorms with a slight chance of showers. Highs around 90. Chance of rain 30 percent.
Sunday Night...Mostly clear. Lows in the mid 70s.
Monday...Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
Monday Night...Mostly clear. Lows in the mid 70s.
Tuesday...Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
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