10-Day Weather Forecast - Saint Charles, IL

Mostly sunny. Highs in the upper 70s. East winds 5 to 10 mph.

Mostly clear. Lows around 60. East winds 5 to 10 mph.

Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. Southeast winds 5 to 10 mph.

Partly cloudy. Lows in the lower 60s.

Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s.

Partly cloudy. Lows in the lower 70s.

Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 80s.

Partly cloudy. Lows in the lower 60s.

Partly cloudy. Highs around 80.

Partly cloudy. Lows around 60.

Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 80s.

Partly cloudy. Low temperature around 61F. Dew point will be around 61F with an average humidity of 80%. Winds will be 6 mph from the S.

Sunny. High temperature around 76F. Dew point will be around 60F with an average humidity of 68%. Winds will be 4 mph from the S.

Clear. Low temperature around 63F. Dew point will be around 60F with an average humidity of 79%. Winds will be 6 mph from the S.

Sunny with a 35% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 63F with an average humidity of 70%. Winds will be 8 mph from the SW.

Clear with a 30% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 62F with an average humidity of 76%. Winds will be 6 mph from the SW.

Sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 82F. Dew point will be around 65F with an average humidity of 70%. Winds will be 6 mph from the SW.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 67F. Dew point will be around 64F with an average humidity of 77%. Winds will be 5 mph from the S.