10-Day Weather Forecast - Johnston, SC

Mostly cloudy. A slight chance of rain this morning. Highs in the mid 40s. North winds 5 to 10 mph. Chance of rain 20 percent.

Mostly cloudy in the evening then clearing. Lows in the upper 20s. West winds around 5 mph.

Sunny. Highs in the mid 50s. West winds 10 to 15 mph.

Mostly clear. Lows in the mid 30s. West winds 5 to 10 mph with gusts up to 20 mph.

Sunny. Highs in the mid 50s. Northwest winds 5 to 10 mph.

Clear. Lows in the mid 20s.

Sunny. Highs in the lower 50s.

Partly cloudy in the evening then clearing. Lows in the mid 30s.

Sunny. Highs in the upper 60s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s.

Partly sunny. Highs in the upper 60s.

Mostly cloudy. Lows in the upper 40s.

Mostly cloudy in the morning then becoming partly sunny. Highs around 70.

Partly cloudy. Low temperature around 48F. Dew point will be around 44F with an average humidity of 73%. Winds will be 2 mph from the SW.

Partly cloudy. High temperature around 63F. Dew point will be around 46F with an average humidity of 67%. Winds will be 3 mph from the SW.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 48F. Dew point will be around 44F with an average humidity of 73%. Winds will be 2 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 62F. Dew point will be around 46F with an average humidity of 70%. Winds will be 4 mph from the SW.

Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 49F. Dew point will be around 45F with an average humidity of 73%. Winds will be 3 mph from the S.