10-Day Weather Forecast - Johnston, SC

Mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.

Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 50s. Northeast winds around 5 mph.

Partly sunny in the morning, then clearing. Highs in the lower 80s. Northeast winds around 5 mph.

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Northeast winds around 5 mph.

Mostly cloudy. Highs in the mid 70s.

Mostly cloudy. Lows in the mid 50s.

Mostly cloudy with a 40 percent chance of showers. Highs around 70.

Mostly cloudy with a 40 percent chance of showers. Lows in the mid 50s.

Mostly cloudy with a 40 percent chance of showers. Highs in the lower 70s.

Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.

Mostly sunny. Highs in the mid 70s.

Partly cloudy. Lows in the upper 50s.

Partly sunny. A chance of showers in the afternoon. Highs in the mid 70s. Chance of rain 30 percent.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 64F. Dew point will be around 64F with an average humidity of 91%. Winds will be 8 mph from the ESE.

Cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 72F. Dew point will be around 70F with an average humidity of 97%. Winds will be 13 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 60F. Dew point will be around 61F with an average humidity of 99%. Winds will be 13 mph from the S.

Partly cloudy. High temperature around 69F. Dew point will be around 60F with an average humidity of 71%. Winds will be 13 mph from the SW.

Clear. Low temperature around 45F. Dew point will be around 38F with an average humidity of 65%. Winds will be 14 mph from the W.