Saint Helena Island, South Carolina | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    81°
    Forecast night icon
    Night
    Partly Cloudy
    70°
    Friday 4/19
    Day
    81°
    Mostly Sunny
    Forecast day icon
    Night
    70°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 80s except in the mid 80s near the coast. South winds 5 to 10 mph with gusts up to 20 mph.
    Night Details
    Partly cloudy. Lows in the upper 60s. Southwest winds 5 to 10 mph.
  • Forecast day icon
    Saturday
    30% Chance of Storms
    83°
    Forecast night icon
    Night
    40% Chance of Storms
    69°
    Saturday 4/20
    Day
    83°
    30% Chance of Storms
    Forecast day icon
    Night
    69°
    40% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s except in the mid 80s near the coast. West winds 5 to 10 mph. Chance of rain 30 percent.
    Night Details
    Mostly cloudy with a chance of thunderstorms. A chance of showers. Lows in the mid 60s. Southwest winds 5 to 10 mph becoming northwest after midnight. Chance of rain 40 percent.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    72°
    Forecast night icon
    Night
    70% Chance of Storms
    57°
    Sunday 4/21
    Day
    72°
    70% Chance of Storms
    Forecast day icon
    Night
    57°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of rain 70 percent.
    Night Details
    Showers likely with a slight chance of thunderstorms. Lows in the mid 50s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    Mostly Cloudy
    62°
    Forecast night icon
    Night
    Partly Cloudy
    54°
    Monday 4/22
    Day
    62°
    Mostly Cloudy
    Forecast day icon
    Night
    54°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of showers. Highs in the upper 60s.
    Night Details
    Partly cloudy. Lows in the lower 50s.
  • Forecast day icon
    Tuesday
    Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    60°
    Tuesday 4/23
    Day
    69°
    Sunny
    Forecast day icon
    Night
    60°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows in the mid 50s.
  • Forecast day icon
    Wednesday
    Sunny
    76°
    Forecast night icon
    Night
    Mostly Clear
    64°
    Wednesday 4/24
    Day
    76°
    Sunny
    Forecast day icon
    Night
    64°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs around 80.
    Night Details
    Mostly clear. Lows around 60.
  • Forecast day icon
    Thursday
    Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    66°
    Thursday 4/25
    Day
    72°
    Sunny
    Forecast day icon
    Night
    66°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s.
    Night Details
    Mostly clear. Low temperature around 66F. Dew point will be around 61F with an average humidity of 82%. Winds will be 8 mph from the E.
  • Forecast day icon
    Friday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Clear
    67°
    Friday 4/26
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    67°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 75F. Dew point will be around 62F with an average humidity of 76%. Winds will be 5 mph from the SE.
    Night Details
    Clear. Low temperature around 67F. Dew point will be around 63F with an average humidity of 83%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Saturday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    Mostly Clear
    68°
    Saturday 4/27
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    68°
    Mostly Clear
    Forecast night icon
    Day Details
    Partly cloudy. High temperature around 75F. Dew point will be around 63F with an average humidity of 76%. Winds will be 4 mph from the SE.
    Night Details
    Mostly clear. Low temperature around 68F. Dew point will be around 65F with an average humidity of 84%. Winds will be 4 mph from the SE.
  • Forecast day icon
    Sunday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    70°
    Sunday 4/28
    Day
    78°
    Sunny
    Forecast day icon
    Night
    70°
    Mostly Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 78F. Dew point will be around 65F with an average humidity of 76%. Winds will be 4 mph from the SE.
    Night Details
    Mostly clear. Low temperature around 70F. Dew point will be around 66F with an average humidity of 84%. Winds will be 6 mph from the S.