Saint Helena Island, South Carolina | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Cloudy
    71°
    Saturday 5/18
    Forecast night icon
    71°
    Mostly Cloudy
    Hourly
    Night Details
    Mostly cloudy with a 20 percent chance of showers. Lows in the upper 60s. Southwest winds 5 to 10 mph.
  • Forecast day icon
    Sunday
    70% Chance of Storms
    78°
    Forecast night icon
    Night
    60% Chance of Storms
    67°
    Sunday 5/19
    Day
    78°
    70% Chance of Storms
    Forecast day icon
    Night
    67°
    60% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Partly sunny in the morning then becoming mostly cloudy. A chance of thunderstorms. A chance of showers in the morning then showers likely in the afternoon. Locally heavy rainfall possible in the afternoon. Highs around 80. West winds around 5 mph. Chance of rain 70 percent.
    Night Details
    Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of rain 60 percent.
  • Forecast day icon
    Monday
    Mostly Sunny
    76°
    Forecast night icon
    Night
    Mostly Clear
    67°
    Monday 5/20
    Day
    76°
    Mostly Sunny
    Forecast day icon
    Night
    67°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 80s. Northeast winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the mid 60s. Northeast winds 5 to 10 mph.
  • Forecast day icon
    Tuesday
    Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    67°
    Tuesday 5/21
    Day
    78°
    Sunny
    Forecast day icon
    Night
    67°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the lower 80s.
    Night Details
    Mostly clear. Lows in the mid 60s.
  • Forecast day icon
    Wednesday
    Sunny
    79°
    Forecast night icon
    Night
    Mostly Clear
    70°
    Wednesday 5/22
    Day
    79°
    Sunny
    Forecast day icon
    Night
    70°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the mid 80s.
    Night Details
    Mostly clear. Lows in the upper 60s.
  • Forecast day icon
    Thursday
    Mostly Sunny
    83°
    Forecast night icon
    Night
    Partly Cloudy
    73°
    Thursday 5/23
    Day
    83°
    Mostly Sunny
    Forecast day icon
    Night
    73°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the upper 80s.
    Night Details
    Partly cloudy. Lows in the lower 70s.
  • Forecast day icon
    Friday
    Mostly Sunny
    82°
    Forecast night icon
    Night
    Partly Cloudy
    74°
    Friday 5/24
    Day
    82°
    Mostly Sunny
    Forecast day icon
    Night
    74°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.
    Night Details
    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.
  • Forecast day icon
    Saturday
    30% Chance of Storms
    81°
    Forecast night icon
    Night
    30% Chance of Rain
    73°
    Saturday 5/25
    Day
    81°
    30% Chance of Storms
    Forecast day icon
    Night
    73°
    30% Chance of Rain
    Forecast night icon
    Day Details
    Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the lower 90s. Chance of rain 30 percent.
    Night Details
    Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 73F. Dew point will be around 70F with an average humidity of 85%. Winds will be 3 mph from the SE.
  • Forecast day icon
    Sunday
    Sunny
    82°
    Forecast night icon
    Night
    Clear
    75°
    Sunday 5/26
    Day
    82°
    Sunny
    Forecast day icon
    Night
    75°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 82F. Dew point will be around 71F with an average humidity of 76%. Winds will be 3 mph from the S.
    Night Details
    Clear. Low temperature around 75F. Dew point will be around 71F with an average humidity of 85%. Winds will be 4 mph from the S.
  • Forecast day icon
    Monday
    30% Chance of Rain
    83°
    Forecast night icon
    Night
    40% Chance of Rain
    76°
    Monday 5/27
    Day
    83°
    30% Chance of Rain
    Forecast day icon
    Night
    76°
    40% Chance of Rain
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 83F. Dew point will be around 72F with an average humidity of 79%. Winds will be 4 mph from the S.
    Night Details
    Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 76F. Dew point will be around 73F with an average humidity of 88%. Winds will be 5 mph from the S.