10-Day Weather Forecast - Saint Peters, PA

Mostly sunny in the morning then becoming mostly cloudy. Patchy freezing fog in the morning. Highs in the mid 40s. Southeast winds 5 to 10 mph.

Rain breezy and not as cool with lows in the lower 40s. Temperature rising into the mid 50s after midnight. Southeast winds 10 to 15 mph with gusts up to 30 mph becoming south 15 to 25 mph with gusts up to 45 mph after midnight. Chance of rain near 100 percent.

Rain in the morning then partly sunny in the afternoon. Breezy with highs in the mid 50s. Temperature falling into the mid 30s in the afternoon. West winds 15 to 25 mph with gusts up to 45 mph. Chance of rain near 100 percent.

Mostly clear. Much colder with lows in the mid 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.

Mostly cloudy and cold. Near steady temperature in the mid 30s. Temperature rising into the upper 30s after midnight.

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

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

Sunny cooler with highs in the mid 30s.

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

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

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

Mostly sunny. Highs in the lower 40s.

Partly cloudy. Low temperature around 29F. Dew point will be around 25F with an average humidity of 80%. Winds will be 4 mph from the NE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 44F. Dew point will be around 32F with an average humidity of 76%. Winds will be 2 mph from the E.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 35F. Dew point will be around 35F with an average humidity of 91%. Winds will be 2 mph from the NE.

Cloudy with a chance of rain. Chance of precipitation 40%. High temperature around 49F. Dew point will be around 38F with an average humidity of 81%. Winds will be 3 mph from the E.

Cloudy. Low temperature around 38F. Dew point will be around 38F with an average humidity of 91%. Winds will be 2 mph from the N.