10-Day Weather Forecast - Saint Peters, PA

Mostly cloudy in the morning then becoming partly sunny. Highs in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph.

Showers. Not as cool with lows in the upper 40s. Temperature rising into the lower 50s after midnight. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.

A chance of thunderstorms. Showers warmer with highs in the mid 60s. South winds 15 to 20 mph. Gusts up to 35 mph increasing to 45 mph in the afternoon. Chance of rain near 100 percent.

Rain showers. A chance of thunderstorms in the evening then snow showers after midnight. Little or no snow accumulation. Much colder with lows in the upper 20s. Southwest winds 15 to 20 mph becoming west after midnight. Gusts up to 40 mph. Chance of precipitation near 100 percent.

Partly sunny. A chance of snow showers in the morning. Much cooler with highs in the mid 30s. Chance of snow 30 percent.

Partly cloudy in the evening then clearing. Cold with lows around 20.

Mostly sunny in the morning then becoming mostly cloudy. Highs in the upper 30s.

Mostly cloudy. Cold with lows in the upper 20s.

Partly sunny. Not as cool with highs in the upper 40s.

Mostly cloudy. Cold with lows in the lower 30s.

Mostly sunny. Highs in the lower 50s.

Mostly cloudy. A chance of rain after midnight. Lows in the mid 30s. Chance of rain 30 percent.

Mostly cloudy with a chance of rain in the morning then partly sunny in the afternoon. Highs in the lower 50s. Chance of rain 30 percent.

Cloudy. Low temperature around 27F. Dew point will be around 23F with an average humidity of 62%. Winds will be 7 mph from the NW.

Partly cloudy. High temperature around 44F. Dew point will be around 20F with an average humidity of 48%. Winds will be 10 mph from the NW.

Cloudy. Low temperature around 24F. Dew point will be around 18F with an average humidity of 57%. Winds will be 6 mph from the N.

Cloudy. High temperature around 43F. Dew point will be around 20F with an average humidity of 52%. Winds will be 8 mph from the N.

Partly cloudy. Low temperature around 23F. Dew point will be around 17F with an average humidity of 59%. Winds will be 8 mph from the N.