10-Day Weather Forecast - Saint Peters, PA

Partly sunny in the morning then mostly cloudy with a chance of showers in the afternoon. Much warmer with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.

Mostly cloudy with a chance of showers in the evening then partly cloudy after midnight. Lows in the upper 50s. West winds 5 to 10 mph. Chance of rain 30 percent.

Mostly sunny. Highs in the lower 80s. Southwest winds 5 to 10 mph.

Partly cloudy. Lows in the lower 60s.

Mostly sunny. Hot with highs in the mid 80s.

Mostly cloudy. Lows in the lower 60s.

Partly sunny. Hot with highs in the mid 80s.

Mostly cloudy. Lows in the lower 60s.

Mostly sunny. Highs in the upper 70s.

Partly cloudy. Lows in the upper 50s.

Mostly sunny. Highs in the lower 80s.

Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 55F. Dew point will be around 53F with an average humidity of 69%. Winds will be 6 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 67F. Dew point will be around 40F with an average humidity of 44%. Winds will be 6 mph from the NW.

Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 42F. Dew point will be around 33F with an average humidity of 54%. Winds will be 6 mph from the N.

Sunny. High temperature around 64F. Dew point will be around 27F with an average humidity of 35%. Winds will be 4 mph from the N.

Clear. Low temperature around 43F. Dew point will be around 33F with an average humidity of 54%. Winds will be 1 mph from the S.

Sunny. High temperature around 66F. Dew point will be around 32F with an average humidity of 40%. Winds will be 2 mph from the S.

Clear. Low temperature around 46F. Dew point will be around 38F with an average humidity of 60%. Winds will be 3 mph from the S.