10-Day Weather Forecast - Johns Island, SC

As of

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  • |77°F
    Partly Cloudy

    Tonight

    77°F

    Partly cloudy. Lows in the mid 70s. Light and variable winds.

    Hourly details
  • 89|77°F
    Mostly Sunny

    Day

    89°F

    Patchy fog in the morning. Mostly sunny. Highs in the upper 80s. Heat index values up to 105. Northeast winds 5 to 10 mph, becoming southeast with gusts up to 20 mph in the afternoon.

    Night

    77°F

    Mostly clear. Lows in the upper 70s. Southeast winds 5 to 10 mph.

    Hourly details
  • 87|75°F
    Mostly Sunny

    Day

    87°F

    Mostly sunny with a 20 percent chance of showers. Highs in the upper 80s. South winds 5 to 10 mph. Heat index values up to 105.

    Night

    75°F

    Mostly clear. Lows in the mid 70s. Southwest winds 5 to 10 mph.

    Hourly details
  • 91|74°F
    Sunny

    Day

    91°F

    Sunny. Highs in the lower 90s. Heat index values up to 110.

    Night

    74°F

    Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.

    Hourly details
  • 87|73°F
    40% Chance of Storms

    Day

    87°F

    Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 40 percent.

    Night

    73°F

    Mostly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 50 percent.

    Hourly details
  • 83|72°F
    50% Chance of Storms

    Day

    83°F

    Partly sunny with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 50 percent.

    Night

    72°F

    Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20 percent.

    Hourly details
  • 84|73°F
    Mostly Sunny

    Day

    84°F

    Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 20 percent.

    Night

    73°F

    Partly cloudy. Lows in the lower 70s.

    Hourly details
  • 86|73°F
    Mostly Sunny

    Day

    86°F

    Mostly sunny with a 20 percent chance of showers. Highs in the mid 80s.

    Night

    73°F

    Mostly clear with scattered thunderstorms. Chance of storms 45%. Low temperature around 73F. Dew point will be around 73F with an average humidity of 91%. Winds will be 2 mph from the NE.

  • 86|74°F
    Mostly Sunny

    Day

    86°F

    Mostly sunny with scattered thunderstorms. Chance of storms 35%. High temperature around 86F. Dew point will be around 75F with an average humidity of 83%. Winds will be 1 mph from the W.

    Night

    74°F

    Partly cloudy with scattered thunderstorms. Chance of storms 35%. Low temperature around 74F. Dew point will be around 73F with an average humidity of 88%. Winds will be 1 mph from the SW.

  • 87|74°F
    Sunny

    Day

    87°F

    Sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 87F. Dew point will be around 76F with an average humidity of 82%. Winds will be 2 mph from the SW.

    Night

    74°F

    Partly cloudy with scattered thunderstorms. Chance of storms 35%. Low temperature around 74F. Dew point will be around 73F with an average humidity of 86%. Winds will be 1 mph from the W.