10-Day Weather Forecast - Johns Island, SC

Mostly sunny. A chance of showers and thunderstorms this afternoon. Highs in the upper 80s. Heat index values up to 105. Southwest winds 10 to 15 mph. Chance of rain 50 percent.

Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the upper 70s. Southwest winds 10 to 15 mph diminishing to around 5 mph after midnight. Chance of rain 50 percent.

Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Heat index values up to 105. Northwest winds around 5 mph becoming southwest around 5 mph in the afternoon. Chance of rain 40 percent.

Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. South winds around 5 mph becoming west after midnight. Chance of rain 40 percent.

Partly sunny. A chance of showers and thunderstorms in the morning then showers and thunderstorms likely in the afternoon. Highs in the upper 80s. North winds around 5 mph becoming east in the afternoon. Chance of rain 60 percent.

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

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

Mostly clear. Lows in the lower 70s.

Sunny with a slight chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 20 percent.

Mostly clear. Lows in the mid 70s.

Mostly sunny with a chance of showers with a slight chance of thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.

Mostly clear. Lows in the mid 70s.

Mostly sunny with a chance of showers and thunderstorms. Highs in the upper 80s. Chance of rain 30 percent.

Clear with a chance of rain. Chance of precipitation 45%. Low temperature around 75F. Dew point will be around 74F with an average humidity of 86%. Winds will be 1 mph from the E.

Sunny with a 50% chance for rain and thunderstorms. High temperature around 88F. Dew point will be around 74F with an average humidity of 76%. Winds will be 1 mph from the SE.

Mostly clear with a 60% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 74F with an average humidity of 87%. Winds will be 2 mph from the E.

Mostly sunny with a 55% chance for rain and thunderstorms. High temperature around 85F. Dew point will be around 73F with an average humidity of 78%. Winds will be 2 mph from the E.

Mostly clear with a 50% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 73F with an average humidity of 88%. Winds will be 2 mph from the NE.