10-Day Weather Forecast - South Williamsport, PA

Partly sunny with a chance of showers in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. Northwest winds around 5 mph. Chance of rain 70 percent.

Mostly cloudy with showers likely with a chance of thunderstorms in the evening, then partly cloudy after midnight. Humid with lows around 60. North winds around 5 mph. Chance of rain 70 percent.

Mostly sunny. Highs in the mid 70s. North winds 5 to 10 mph.

Mostly clear. Lows in the mid 50s. North winds 5 to 10 mph.

Mostly sunny. Highs in the lower 70s.

Mostly clear. Lows in the lower 50s.

Sunny. Highs in the mid 70s.

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

Mostly sunny. Highs in the mid 70s.

Mostly cloudy. Lows in the upper 50s.

Partly sunny. Highs in the upper 70s.

Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of rain 40 percent.

Partly sunny. A chance of showers in the afternoon. Humid with highs around 80. Chance of rain 40 percent.

Partly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 68F with an average humidity of 91%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 76F. Dew point will be around 66F with an average humidity of 84%. Winds will be 4 mph from the NW.

Partly cloudy. Low temperature around 61F. Dew point will be around 62F with an average humidity of 91%. Winds will be 2 mph from the NW.

Sunny. High temperature around 75F. Dew point will be around 63F with an average humidity of 83%. Winds will be 2 mph from the NW.

Mostly clear. Low temperature around 61F. Dew point will be around 62F with an average humidity of 91%. Winds will be 1 mph from the NE.