10-Day Weather Forecast - Keystone, PA

Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Warmer with highs in the mid 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Unseasonably mild. Lows in the upper 50s. Southwest winds 5 to 10 mph. Chance of rain 50 percent.

Partly sunny with a chance of showers. Unseasonably warm with highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Mostly cloudy. A chance of showers in the evening then showers after midnight. Unseasonably mild. Lows in the mid 50s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

Mostly cloudy. Showers mainly in the morning. Much cooler with highs in the mid 50s. Chance of rain 90 percent.

Mostly cloudy. Much cooler with lows in the lower 30s.

Mostly sunny. Highs in the upper 40s.

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 30s.

Partly sunny with a 30 percent chance of snow showers. Highs in the lower 40s.

Partly cloudy in the evening then clearing. Lows in the lower 20s.

Sunny. Highs in the lower 50s.

Mostly clear. Not as cool with lows in the lower 30s.

Mostly sunny. Not as cool with highs in the mid 60s.

Mostly clear. Low temperature around 43F. Dew point will be around 36F with an average humidity of 66%. Winds will be 4 mph from the S.

Mostly sunny. High temperature around 63F. Dew point will be around 41F with an average humidity of 61%. Winds will be 3 mph from the SW.

Clear. Low temperature around 46F. Dew point will be around 41F with an average humidity of 69%. Winds will be 3 mph from the S.

Partly cloudy. High temperature around 65F. Dew point will be around 44F with an average humidity of 63%. Winds will be 4 mph from the S.

Mostly clear. Low temperature around 50F. Dew point will be around 45F with an average humidity of 72%. Winds will be 3 mph from the S.