10-Day Weather Forecast - Johnston, SC

Sunny. Highs in the upper 70s. Northeast winds around 5 mph.

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. South winds around 5 mph.

Mostly sunny. Highs in the mid 80s. Southwest winds 5 to 10 mph.

Clear. Lows in the mid 50s. Southwest winds around 5 mph.

Sunny. Highs in the mid 80s.

Mostly clear. Lows in the upper 50s.

Sunny. Highs in the upper 80s.

Mostly clear. Lows around 60.

Mostly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 40 percent.

Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.

Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 40 percent.

A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of rain 40 percent.

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

Partly cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 64F. Dew point will be around 62F with an average humidity of 81%. Winds will be 4 mph from the S.

Mostly cloudy with a 60% chance for rain and thunderstorms. High temperature around 77F. Dew point will be around 63F with an average humidity of 78%. Winds will be 6 mph from the SW.

Mostly clear with a chance of rain. Chance of precipitation 45%. Low temperature around 59F. Dew point will be around 59F with an average humidity of 78%. Winds will be 3 mph from the W.

Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 78F. Dew point will be around 57F with an average humidity of 67%. Winds will be 3 mph from the W.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 59F. Dew point will be around 55F with an average humidity of 72%. Winds will be 2 mph from the W.