10-Day Weather Forecast - Saint Charles, IL

Mostly sunny through mid afternoon then becoming partly cloudy. Warm with highs in the upper 80s. Southeast winds 5 to 10 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 60s. Southeast winds around 5 mph.

Mostly cloudy through mid afternoon then becoming partly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. South winds 5 to 10 mph. Chance of precipitation 20 percent.

Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of precipitation 20 percent.

Mostly sunny. Highs in the upper 80s.

Partly cloudy. Lows in the mid 60s.

Mostly cloudy. Highs in the mid 80s.

Partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the mid 80s.

Partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs in the upper 80s.

Partly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 62F with an average humidity of 77%. Winds will be 2 mph from the E.

Mostly sunny with a slight chance of rain. Chance of precipitation 25%. High temperature around 87F. Dew point will be around 64F with an average humidity of 61%. Winds will be 3 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 63F. Dew point will be around 62F with an average humidity of 81%. Winds will be 1 mph from the NW.

Mostly sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 81F. Dew point will be around 61F with an average humidity of 65%. Winds will be 2 mph from the W.

Clear with a chance of rain. Chance of precipitation 35%. Low temperature around 59F. Dew point will be around 59F with an average humidity of 85%. Winds will be 2 mph from the NW.

Sunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 78F. Dew point will be around 59F with an average humidity of 67%. Winds will be 2 mph from the W.

Clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 58F. Dew point will be around 58F with an average humidity of 87%. Winds will be 2 mph from the W.