10-Day Weather Forecast - Castleton, IL

Sunny. Highs in the mid 70s. South winds 10 to 15 mph.

Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Southwest winds 5 to 10 mph.

Sunny. Highs in the upper 70s. West winds 5 to 10 mph.

Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. Northwest winds around 5 mph.

Partly cloudy. Highs in the lower 70s.

Partly cloudy. Lows in the upper 40s.

Partly cloudy. Highs in the lower 70s.

Mostly clear. Lows in the upper 40s.

Mostly clear. Highs in the upper 70s.

Mostly clear. Lows in the upper 50s.

Mostly clear. Highs in the upper 70s.

Mostly clear. Lows in the upper 50s.

Mostly sunny. Highs in the mid 70s.

Clear. Low temperature around 55F. Dew point will be around 54F with an average humidity of 82%. Winds will be 6 mph from the E.

Partly cloudy. High temperature around 78F. Dew point will be around 60F with an average humidity of 68%. Winds will be 8 mph from the ESE.

Cloudy. Low temperature around 63F. Dew point will be around 59F with an average humidity of 79%. Winds will be 8 mph from the ESE.

Partly cloudy. High temperature around 78F. Dew point will be around 62F with an average humidity of 67%. Winds will be 14 mph from the SSE.

Mostly cloudy. Low temperature around 59F. Dew point will be around 56F with an average humidity of 82%. Winds will be 14 mph from the SSW.