10-Day Weather Forecast - Johns Island, SC

Sunny. Highs in the upper 80s. Heat index values up to 107. Southeast winds 5 to 10 mph.

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

Sunny. Highs in the mid 90s, except around 90 near the coast. West winds around 5 mph, increasing to southwest 10 to 15 mph in the afternoon. Heat index values up to 109.

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

Showers with a chance of thunderstorms. Highs in the upper 80s. Chance of rain 80 percent.

Showers likely with a chance of thunderstorms. Lows in the lower 70s. Chance of rain 70 percent.

Showers likely with a chance of thunderstorms. Highs in the mid 80s. Chance of rain 70 percent.

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

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

Partly cloudy. Lows in the lower 70s.

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

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 72F. Dew point will be around 66F with an average humidity of 72%. Winds will be 3 mph from the SE.

Sunny. High temperature around 89F. Dew point will be around 73F with an average humidity of 74%. Winds will be 4 mph from the W.

Clear. Low temperature around 74F. Dew point will be around 72F with an average humidity of 83%. Winds will be 4 mph from the SW.

Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 91F. Dew point will be around 74F with an average humidity of 73%. Winds will be 5 mph from the W.

Clear with a 35% chance for rain and thunderstorms. Low temperature around 75F. Dew point will be around 73F with an average humidity of 84%. Winds will be 3 mph from the SW.

Sunny with widely scattered thunderstorms. Chance of storms 30%. High temperature around 90F. Dew point will be around 75F with an average humidity of 77%. Winds will be 2 mph from the SW.

Mostly clear with a 35% chance for rain and thunderstorms. Low temperature around 74F. Dew point will be around 73F with an average humidity of 85%. Winds will be 2 mph from the SW.