10-Day Weather Forecast - Johnston, SC

Sunny. Highs around 50. Southwest winds 5 to 10 mph.

Mostly clear in the evening then becoming partly cloudy. Not as cool with lows in the mid 30s. South winds 5 to 10 mph.

Mostly cloudy in the morning then becoming mostly sunny. Highs in the upper 50s. Southwest winds 5 to 10 mph with gusts up to 20 mph.

Mostly cloudy. A chance of rain and snow after midnight. Little or no snow accumulation. Lows in the lower 30s. West winds around 5 mph. Chance of precipitation 40 percent.

Partly sunny. A chance of rain and snow in the morning. Cooler with highs in the lower 40s. Chance of precipitation 40 percent.

Clear cold with lows in the lower 20s.

Sunny. Highs in the upper 40s.

Mostly clear. Cold with lows in the lower 20s.

Sunny. Highs in the mid 40s.

Mostly clear. Cold with lows in the lower 20s.

Sunny. Highs in the lower 50s.

Partly cloudy in the evening then becoming mostly cloudy. Lows around 30.

Mostly sunny. Highs in the upper 50s.

Mostly clear. Low temperature around 36F. Dew point will be around 31F with an average humidity of 69%. Winds will be 2 mph from the NE.

Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 51F. Dew point will be around 36F with an average humidity of 70%. Winds will be 4 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 44F. Dew point will be around 40F with an average humidity of 80%. Winds will be 3 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 55%. High temperature around 53F. Dew point will be around 45F with an average humidity of 84%. Winds will be 1 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 44F. Dew point will be around 44F with an average humidity of 85%. Winds will be 1 mph from the NE.