10-Day Weather Forecast - Saint Peters, PA

Sunny. Highs around 60. Northeast winds 5 to 10 mph.

Mostly clear. Patchy frost after midnight. Lows in the mid 30s. Northeast winds around 5 mph in the evening, becoming light and variable.

Patchy frost in the morning. Sunny. Highs in the lower 60s. Northeast winds around 5 mph in the morning, becoming light and variable.

Clear. Lows in the mid 30s. Light and variable winds.

Patchy frost in the morning. Sunny. Highs in the mid 60s.

Clear. Lows in the upper 30s.

Sunny. Highs in the upper 60s.

Mostly clear. Lows in the upper 40s.

Sunny. Highs in the mid 60s.

Partly cloudy. Lows in the lower 40s.

Partly sunny. Highs in the lower 60s.

Mostly cloudy. Lows in the mid 40s.

Mostly sunny. Highs in the mid 60s.

Mostly cloudy. Low temperature around 53F. Dew point will be around 48F with an average humidity of 86%. Winds will be 11 mph from the SSW.

Sunny. High temperature around 57F. Dew point will be around 46F with an average humidity of 56%. Winds will be 11 mph from the NW.

Clear. Low temperature around 34F. Dew point will be around 31F with an average humidity of 72%. Winds will be 7 mph from the WNW.

Mostly sunny. High temperature around 57F. Dew point will be around 33F with an average humidity of 60%. Winds will be 4 mph from the SSW.

Mostly clear. Low temperature around 38F. Dew point will be around 33F with an average humidity of 77%. Winds will be 5 mph from the SSE.