10-Day Weather Forecast - Saint Peters, MO

Sunny. Highs in the lower 80s. East winds around 5 mph becoming southwest in the afternoon.

Clear. Lows in the lower 60s. South winds 5 to 10 mph.

Mostly sunny. Highs in the upper 80s. South winds 10 to 15 mph becoming west in the afternoon.

Partly cloudy. A slight chance of showers in the evening. Much cooler with lows in the lower 40s. Chance of rain 20 percent.

Partly cloudy. Highs in the upper 50s. Lows around 40.

Partly cloudy. Highs in the upper 50s. Lows around 40.

Mostly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Mostly cloudy. Highs in the lower 60s. Lows in the lower 40s.

Partly sunny. Highs in the mid 60s.

Partly cloudy. Lows in the lower 50s.

Sunny. A slight chance of showers in the afternoon. Not as cool with highs in the upper 70s. Chance of rain 20 percent.

Mostly clear with a chance of rain. Chance of precipitation 35%. Low temperature around 45F. Dew point will be around 39F with an average humidity of 50%. Winds will be 9 mph from the N.

Mostly cloudy. High temperature around 54F. Dew point will be around 29F with an average humidity of 46%. Winds will be 9 mph from the NE.

Cloudy. Low temperature around 34F. Dew point will be around 26F with an average humidity of 56%. Winds will be 8 mph from the NE.

Cloudy. High temperature around 52F. Dew point will be around 29F with an average humidity of 52%. Winds will be 7 mph from the E.

Cloudy. Low temperature around 39F. Dew point will be around 32F with an average humidity of 61%. Winds will be 3 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 60F. Dew point will be around 38F with an average humidity of 59%. Winds will be 5 mph from the E.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 45F. Dew point will be around 41F with an average humidity of 67%. Winds will be 3 mph from the E.