10-Day Weather Forecast - Williamstown, PA

Partly sunny. Highs in the lower 30s. Southwest winds 10 to 15 mph with gusts up to 30 mph becoming west 15 to 20 mph with gusts up to 40 mph in the afternoon.

Partly cloudy in the evening then becoming mostly clear. Lows around 10 above. West winds 15 to 20 mph. Gusts up to 40 mph decreasing to 30 mph after midnight. Wind chill values as low as 3 below.

Sunny colder with highs around 20. West winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 4 below.

Mostly clear. Lows around 10. West winds 5 to 10 mph with gusts up to 20 mph becoming southwest after midnight.

Partly sunny. Not as cool with highs in the lower 30s. Wind chill values as low as zero in the morning.

Mostly cloudy. Not as cool with lows in the mid 20s.

Partly sunny. Highs in the mid 30s.

Partly cloudy. Colder with lows around 15. Wind chill values as low as 5 above.

Partly sunny. Highs in the upper 20s. Wind chill values as low as 5 above in the morning.

Mostly cloudy. Lows 15 to 20.

Partly sunny. Highs in the mid 20s. Wind chill values as low as 5 above.

Mostly cloudy. A chance of snow showers after midnight. Lows around 10 above. Chance of snow 30 percent. Wind chill values as low as zero.

Partly sunny with a 40 percent chance of snow showers. Highs around 20. Wind chill values as low as 5 below.

Partly cloudy with a chance of snow. Chance of precipitation 40%. Low temperature around 5F. Dew point will be around -1F with an average humidity of 69%. Winds will be 7 mph from the NW.

Cloudy. High temperature around 15F. Dew point will be around 2F with an average humidity of 66%. Winds will be 10 mph from the NW.

Partly cloudy. Low temperature around 4F. Dew point will be around 1F with an average humidity of 72%. Winds will be 9 mph from the NW.

Partly cloudy. High temperature around 17F. Dew point will be around 3F with an average humidity of 66%. Winds will be 9 mph from the NW.

Partly cloudy. Low temperature around 8F. Dew point will be around 4F with an average humidity of 72%. Winds will be 5 mph from the NW.