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: 856 PM EDT THU JUL 18 2019

Mostly Cloudy
Temp: 87°F
  • Humidity:
  • 60%
  • Winds:
  • 17 MPH WSW
  • Gusts:
  • 26 MPH
  • Barometer:
  • 30.04 in.
  • Dewpoint:
  • 72°F
  • Heat index:
  • 93°F

  • Sunrise:
  • 6:27 AM EDT
  • Sunset:
  • 8:28 PM EDT
  • Moonrise:
  • 9:58 PM EDT
  • Moonset:
  • 7:54 AM EDT

TONIGHT

CHANCE OF SHOWERS
Lo: 79°F
Precip: 40%

FRIDAY

PARTLY SUNNY
Hi: 95°F
Lo: 75°F
Precip: 50%

SATURDAY

PARTLY SUNNY
Hi: 95°F
Lo: 79°F
Precip: 30%

SUNDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 79°F
Precip: 20%
Weather Forecast In Detail:
Forecast Issued: 558 PM EDT Thu Jul 18 2019

Tonight...Mostly cloudy. A chance of showers and thunderstorms this evening. Lows in the upper 70s. Southwest winds 10 to 15 mph. Chance of rain 40 percent.
Friday...Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Heat index values up to 108. Southwest winds 10 to 15 mph. Chance of rain 50 percent.
Friday Night...Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.
Saturday...Partly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Southwest winds 10 to 15 mph. Chance of rain 30 percent. Heat index values up to 108 in the afternoon.
Saturday Night...Partly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 105 early in the evening.
Sunday...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Heat index values up to 105.
Sunday Night...Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent.
Monday...Partly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105.
Monday Night...Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 30 percent.
Tuesday...Partly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent.
Tuesday Night...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent.
Wednesday...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.
Wednesday Night...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 40 percent.
Thursday...Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.
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