10-Day Weather Forecast - Castleton, IL

Mostly cloudy in the morning then clearing. Highs in the upper 20s. North winds 5 to 10 mph.

Mostly clear. Lows around 10 above. North winds around 5 mph.

Sunny. Highs in the upper 20s. Northwest winds around 5 mph.

Mostly clear in the evening then becoming mostly cloudy. Lows around 16. West winds around 5 mph.

Mostly cloudy in the morning then becoming partly sunny. Highs in the upper 30s.

Partly cloudy and not as cool. Near steady temperature in the lower 30s.

Partly sunny. Highs in the lower 40s.

Partly cloudy. Lows around 20. Highs in the mid 30s.

Partly cloudy. Lows around 20. Highs in the mid 30s.

Partly cloudy. Lows around 20. Highs in the mid 30s.

Partly cloudy. Lows around 20. Highs in the mid 30s.

Partly cloudy. Lows around 20. Highs in the mid 30s.

Mostly sunny. Highs in the lower 40s.

Clear. Low temperature around 22F. Dew point will be around 16F with an average humidity of 68%. Winds will be 7 mph from the SE.

Mostly sunny. High temperature around 36F. Dew point will be around 20F with an average humidity of 63%. Winds will be 7 mph from the S.

Partly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 28F. Dew point will be around 23F with an average humidity of 75%. Winds will be 7 mph from the SE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 40F. Dew point will be around 29F with an average humidity of 74%. Winds will be 8 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 34F. Dew point will be around 32F with an average humidity of 84%. Winds will be 7 mph from the SE.