10-Day Weather Forecast - Saint Peters, PA

Rain with a slight chance of thunderstorms in the morning then partly sunny with a slight chance of rain in the afternoon. Breezy with highs in the mid 50s. Temperature falling into the upper 30s in the afternoon. Southwest winds 15 to 20 mph becoming west 15 to 25 mph in the afternoon. Gusts up to 45 mph. Chance of rain near 100 percent.

Mostly clear. Much colder with lows in the lower 20s. West winds 15 to 20 mph. Gusts up to 45 mph decreasing to 30 mph after midnight.

Mostly sunny. Much cooler with highs in the upper 30s. West winds 5 to 10 mph becoming southwest in the afternoon.

Partly cloudy and cold. Near steady temperature in the mid 30s. Temperature rising into the mid 30s after midnight. Southwest winds 5 to 10 mph with gusts up to 25 mph.

Mostly sunny. Highs in the lower 40s. Temperature falling into the upper 30s in the afternoon.

Mostly clear. Cold with lows in the lower 20s.

Sunny. Highs in the mid 30s.

Partly cloudy in the evening then becoming mostly cloudy. Cold with lows in the lower 20s.

Mostly cloudy. A chance of rain and snow in the morning. Highs around 40. Chance of precipitation 30 percent.

Mostly cloudy and cold. Near steady temperature in the upper 30s.

Partly sunny. Highs in the mid 40s.

Mostly cloudy. Cold with lows around 30.

Mostly cloudy with a 30 percent chance of rain. Highs in the mid 40s.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 41F. Dew point will be around 40F with an average humidity of 95%. Winds will be 3 mph from the SE.

Cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 56F. Dew point will be around 44F with an average humidity of 77%. Winds will be 3 mph from the NW.

Mostly clear. Low temperature around 36F. Dew point will be around 37F with an average humidity of 85%. Winds will be 3 mph from the N.

Mostly sunny. High temperature around 51F. Dew point will be around 35F with an average humidity of 68%. Winds will be 2 mph from the N.

Mostly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 33F. Dew point will be around 31F with an average humidity of 78%. Winds will be 3 mph from the NE.