10-Day Weather Forecast - Johns Island, SC

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  • 88|73°F
    Mostly Sunny

    Today

    88°F

    Mostly sunny. Highs around 90. Southeast winds 5 to 10 mph.

    Tonight

    73°F

    Mostly cloudy. Lows in the lower 70s. South winds around 5 mph becoming west after midnight.

    Hourly details
  • 86|74°F
    Mostly Sunny

    Day

    86°F

    Mostly sunny. Highs around 90. West winds around 5 mph becoming south in the afternoon.

    Night

    74°F

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

    Hourly details
  • 89|75°F
    40% Chance of Storms

    Day

    89°F

    Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 106.

    Night

    75°F

    Mostly clear. Lows in the upper 70s.

    Hourly details
  • 92|74°F
    40% Chance of Storms

    Day

    92°F

    Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110.

    Night

    74°F

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

    Hourly details
  • 90|73°F
    50% Chance of Storms

    Day

    90°F

    Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent.

    Night

    73°F

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

    Hourly details
  • 90|74°F
    50% Chance of Storms

    Day

    90°F

    Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50 percent.

    Night

    74°F

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

    Hourly details
  • 91|76°F
    30% Chance of Storms

    Day

    91°F

    Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105.

    Night

    76°F

    Partly cloudy with a 60% chance for rain and thunderstorms. Low temperature around 76F. Dew point will be around 74F with an average humidity of 84%. Winds will be 2 mph from the SW.

  • 91|77°F
    40% Chance of Rain

    Day

    91°F

    Partly cloudy with a 40% chance for rain and thunderstorms. High temperature around 90F. Dew point will be around 75F with an average humidity of 72%. Winds will be 2 mph from the W.

    Night

    77°F

    Partly cloudy with a 65% chance for rain and thunderstorms. Low temperature around 77F. Dew point will be around 74F with an average humidity of 82%. Winds will be 2 mph from the SW.

  • 89|77°F
    50% Chance of Rain

    Day

    89°F

    Mostly sunny with a 45% chance for rain and thunderstorms. High temperature around 89F. Dew point will be around 75F with an average humidity of 73%. Winds will be 2 mph from the W.

    Night

    77°F

    Clear with a 45% chance for rain and thunderstorms. Low temperature around 77F. Dew point will be around 74F with an average humidity of 83%. Winds will be 2 mph from the SW.

  • 92|77°F
    40% Chance of Storms

    Day

    92°F

    Mostly sunny with a 50% chance for rain and thunderstorms. High temperature around 92F. Dew point will be around 76F with an average humidity of 73%. Winds will be 2 mph from the SW.

    Night

    77°F

    Partly cloudy with a 65% chance for rain and thunderstorms. Low temperature around 77F. Dew point will be around 74F with an average humidity of 84%. Winds will be 3 mph from the S.