Sullivans Island, South Carolina | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Thursday
    Partly Sunny
    83°
    Forecast night icon
    Night
    Mostly Clear
    66°
    Thursday 4/18
    Day
    83°
    Partly Sunny
    Forecast day icon
    Night
    66°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Partly sunny this morning then clearing. Highs in the upper 80s except in the lower 80s near the coast. Southwest winds 10 to 15 mph.
    Night Details
    Mostly clear. Lows in the mid 60s. Southwest winds 5 to 10 mph.
  • Forecast day icon
    Friday
    Mostly Sunny
    85°
    Forecast night icon
    Night
    Partly Cloudy
    69°
    Friday 4/19
    Day
    85°
    Mostly Sunny
    Forecast day icon
    Night
    69°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 80s except in the lower 80s near the coast. Southwest winds around 5 mph becoming south 10 to 15 mph in the afternoon. Chance of rain 20 percent.
    Night Details
    Mostly cloudy in the evening then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. South winds 5 to 10 mph. Chance of rain 20 percent.
  • Forecast day icon
    Saturday
    40% Chance of Storms
    86°
    Forecast night icon
    Night
    50% Chance of Storms
    66°
    Saturday 4/20
    Day
    86°
    40% Chance of Storms
    Forecast day icon
    Night
    66°
    50% 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 lower 80s near the coast. Southwest winds 10 to 15 mph. Chance of rain 40 percent.
    Night Details
    Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 50 percent.
  • Forecast day icon
    Sunday
    50% Chance of Storms
    73°
    Forecast night icon
    Night
    70% Chance of Storms
    57°
    Sunday 4/21
    Day
    73°
    50% Chance of Storms
    Forecast day icon
    Night
    57°
    70% Chance of Storms
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 50 percent.
    Night Details
    Showers likely with a chance of thunderstorms. Lows in the upper 50s. Chance of rain 70 percent.
  • Forecast day icon
    Monday
    Mostly Cloudy
    68°
    Forecast night icon
    Night
    Mostly Cloudy
    55°
    Monday 4/22
    Day
    68°
    Mostly Cloudy
    Forecast day icon
    Night
    55°
    Mostly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly cloudy with a 20 percent chance of showers. Highs in the upper 60s.
    Night Details
    Mostly cloudy. Lows in the mid 50s.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    72°
    Forecast night icon
    Night
    Mostly Clear
    61°
    Tuesday 4/23
    Day
    72°
    Mostly Sunny
    Forecast day icon
    Night
    61°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs in the lower 70s.
    Night Details
    Mostly clear. Lows in the upper 50s.
  • Forecast day icon
    Wednesday
    Sunny
    75°
    Forecast night icon
    Night
    Partly Cloudy
    62°
    Wednesday 4/24
    Day
    75°
    Sunny
    Forecast day icon
    Night
    62°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Sunny. Highs in the upper 70s.
    Night Details
    Partly cloudy. Low temperature around 62F. Dew point will be around 62F with an average humidity of 88%. Winds will be 2 mph from the S.
  • Forecast day icon
    Thursday
    Mostly Sunny
    78°
    Forecast night icon
    Night
    Mostly Clear
    64°
    Thursday 4/25
    Day
    78°
    Mostly Sunny
    Forecast day icon
    Night
    64°
    Mostly Clear
    Forecast night icon
    Day Details
    Mostly sunny. High temperature around 78F. Dew point will be around 63F with an average humidity of 74%. Winds will be 3 mph from the S.
    Night Details
    Mostly clear. Low temperature around 64F. Dew point will be around 64F with an average humidity of 89%. Winds will be 3 mph from the S.
  • Forecast day icon
    Friday
    30% Chance of Rain
    79°
    Forecast night icon
    Night
    Partly Cloudy
    65°
    Friday 4/26
    Day
    79°
    30% Chance of Rain
    Forecast day icon
    Night
    65°
    Partly Cloudy
    Forecast night icon
    Day Details
    Sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 79F. Dew point will be around 66F with an average humidity of 77%. Winds will be 4 mph from the S.
    Night Details
    Partly cloudy. Low temperature around 65F. Dew point will be around 66F with an average humidity of 92%. Winds will be 3 mph from the S.
  • Forecast day icon
    Saturday
    30% Chance of Rain
    80°
    Forecast night icon
    Night
    Clear
    65°
    Saturday 4/27
    Day
    80°
    30% Chance of Rain
    Forecast day icon
    Night
    65°
    Clear
    Forecast night icon
    Day Details
    Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 80F. Dew point will be around 66F with an average humidity of 76%. Winds will be 2 mph from the S.
    Night Details
    Clear. Low temperature around 65F. Dew point will be around 65F with an average humidity of 90%. Winds will be 1 mph from the S.