10-Day Weather Forecast - Saint Peters, PA

Partly sunny and windy. Much colder with highs around 12. Northwest winds 25 to 30 mph with gusts up to 60 mph. Wind chill values as low as 18 below.

Mostly clear and windy cold with lows around 2 above. Northwest winds 20 to 30 mph with gusts up to 50 mph diminishing to 15 to 20 mph with gusts up to 35 mph after midnight. Wind chill values as low as 17 below.

Sunny cold with highs around 18. Northwest winds 10 to 15 mph with gusts up to 35 mph. Wind chill values as low as 16 below in the morning.

Mostly clear. Cold with lows around 3 above. Northwest winds 5 to 10 mph.

Partly sunny. Cold with highs in the mid 20s. Wind chill values as low as 10 below in the morning.

Mostly cloudy in the evening then becoming partly cloudy. Cold with lows around 10 above.

Mostly sunny. Not as cool with highs in the mid 30s.

Partly cloudy in the evening then becoming mostly cloudy. Not as cold with lows in the lower 20s.

Mostly cloudy with a chance of rain and snow. Highs in the upper 30s. Chance of precipitation 50 percent.

A chance of rain in the evening. Mostly cloudy with a chance of snow. Cold with lows in the mid 20s. Chance of precipitation 50 percent.

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 30s.

Mostly cloudy. Cold with lows around 20.

Partly sunny. Cold with highs in the lower 30s.

Clear. Low temperature around 24F. Dew point will be around 16F with an average humidity of 63%. Winds will be 3 mph from the NW.

Mostly sunny. High temperature around 37F. Dew point will be around 17F with an average humidity of 51%. Winds will be 3 mph from the N.

Partly cloudy with a slight chance of snow. Chance of precipitation 25%. Low temperature around 27F. Dew point will be around 20F with an average humidity of 69%. Winds will be 3 mph from the NE.

Mostly cloudy. High temperature around 39F. Dew point will be around 21F with an average humidity of 55%. Winds will be 3 mph from the N.

Mostly cloudy. Low temperature around 28F. Dew point will be around 21F with an average humidity of 66%. Winds will be 2 mph from the W.