10-Day Weather Forecast - Williamsport, PA

Mostly sunny. Colder with highs around 15. West winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 11 below in the morning.

Mostly clear. Lows around 5 above. West winds 5 to 10 mph with gusts up to 20 mph becoming southwest after midnight. Wind chill values as low as 1 below.

Mostly sunny in the morning then becoming mostly cloudy. Not as cool with highs around 30. South winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as zero.

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

Partly sunny. Highs in the upper 30s.

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

Partly sunny. Colder with highs in the lower 20s. Wind chill values as low as zero.

Mostly cloudy. Colder with lows zero to 5 above zero. Wind chill values as low as 10 below.

Partly sunny in the morning then becoming mostly cloudy. Colder with highs 10 to 15. Wind chill values as low as 10 below in the morning.

Mostly cloudy. Cold with lows zero to 5 above zero. Wind chill values as low as 10 below.

Partly sunny with a 30 percent chance of snow showers. Continued cold with highs around 15.

Mostly clear with a slight chance of snow. Chance of precipitation 25%. Low temperature around 6F. Dew point will be around 2F with an average humidity of 74%. Winds will be 6 mph from the NW.

Partly cloudy. High temperature around 20F. Dew point will be around 6F with an average humidity of 68%. Winds will be 9 mph from the NW.

Mostly cloudy. Low temperature around 8F. Dew point will be around 5F with an average humidity of 75%. Winds will be 8 mph from the W.

Cloudy. High temperature around 22F. Dew point will be around 9F with an average humidity of 71%. Winds will be 8 mph from the NW.

Mostly cloudy. Low temperature around 10F. Dew point will be around 8F with an average humidity of 80%. Winds will be 6 mph from the W.

Mostly cloudy with a slight chance of snow. Chance of precipitation 25%. High temperature around 21F. Dew point will be around 11F with an average humidity of 76%. Winds will be 6 mph from the NW.

Cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 10F. Dew point will be around 10F with an average humidity of 82%. Winds will be 5 mph from the W.