10-Day Weather Forecast - Saint Peters, PA

Mostly sunny. Highs in the upper 70s. Northeast winds around 5 mph.

Partly cloudy in the evening, then clearing. Lows in the mid 50s. Northeast winds around 5 mph in the evening, becoming light and variable.

Sunny. Highs in the upper 70s. North winds around 5 mph.

Mostly clear. Lows in the mid 50s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Lows around 60.

Mostly sunny. Highs in the mid 80s.

Partly cloudy. Lows in the upper 60s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Cooler with lows in the upper 50s.

Mostly sunny. Highs in the mid 70s.

Clear. Low temperature around 52F. Dew point will be around 51F with an average humidity of 80%. Winds will be 3 mph from the NW.

Sunny. High temperature around 71F. Dew point will be around 52F with an average humidity of 65%. Winds will be 2 mph from the NW.

Clear. Low temperature around 53F. Dew point will be around 52F with an average humidity of 83%. Winds will be 0 mph from the SW.

Sunny. High temperature around 74F. Dew point will be around 54F with an average humidity of 66%. Winds will be 1 mph from the S.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 55F. Dew point will be around 55F with an average humidity of 87%. Winds will be 3 mph from the S.

Sunny. High temperature around 77F. Dew point will be around 58F with an average humidity of 69%. Winds will be 3 mph from the W.

Clear. Low temperature around 57F. Dew point will be around 57F with an average humidity of 86%. Winds will be 2 mph from the SW.