10-Day Weather Forecast - South Williamsport, PA

Sunny. Continued cold with highs around 15. Northwest winds 10 to 15 mph with gusts up to 30 mph. Wind chill values as low as 21 below.

Mostly clear. Cold with lows around zero. Northwest winds 5 to 10 mph. Wind chill values as low as 13 below.

Mostly sunny in the morning then becoming mostly cloudy. Not as cold with highs in the mid 20s. Northwest winds around 5 mph.

Mostly cloudy. Not as cold with lows around 10. Light and variable winds.

Mostly cloudy. Highs in the mid 30s.

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

Mostly cloudy. Highs in the upper 30s.

Mostly cloudy. Lows around 20.

Partly sunny in the morning then becoming mostly cloudy. Highs in the lower 30s.

Mostly cloudy. Lows 15 to 20.

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 30s. Wind chill values as low as 5 above in the morning.

Mostly cloudy. Lows 15 to 20. Wind chill values as low as 5 above.

Partly sunny. Highs in the mid 30s. Wind chill values as low as 5 above in the morning.

Partly cloudy. Low temperature around 27F. Dew point will be around 24F with an average humidity of 84%. Winds will be 2 mph from the SE.

Cloudy with a slight chance of rain-snow mix. Chance of precipitation 30%. High temperature around 37F. Dew point will be around 29F with an average humidity of 84%. Winds will be 7 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 34F. Dew point will be around 33F with an average humidity of 92%. Winds will be 3 mph from the S.

Cloudy. High temperature around 42F. Dew point will be around 34F with an average humidity of 82%. Winds will be 7 mph from the W.

Partly cloudy. Low temperature around 33F. Dew point will be around 30F with an average humidity of 85%. Winds will be 5 mph from the NW.