10-Day Weather Forecast - Grafton, IL

Mostly cloudy in the morning then becoming mostly sunny. Windy and much cooler with highs in the mid 20s. Northwest winds 20 to 30 mph with gusts up to 40 mph. Wind chill values as low as 5 below in the morning.

Partly cloudy in the evening then clearing. Lows around 16. Northwest winds 10 to 15 mph with gusts up to 25 mph. Wind chill values as low as 4 above.

Mostly sunny. Highs in the mid 30s. West winds 5 to 10 mph. Wind chill values as low as 5 above in the morning.

Mostly clear. Lows in the mid 20s. West winds 5 to 10 mph.

Mostly cloudy. Highs around 40. Lows in the lower 20s.

Mostly cloudy. Highs around 40. Lows in the lower 20s.

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

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

Mostly cloudy. Highs around 40. Lows in the mid 20s.

Mostly cloudy. Highs around 40. Lows in the mid 20s.

Mostly cloudy. Highs around 40. Lows in the mid 20s.

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

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

Partly cloudy. Low temperature around 30F. Dew point will be around 23F with an average humidity of 69%. Winds will be 2 mph from the SE.

Partly cloudy. High temperature around 42F. Dew point will be around 28F with an average humidity of 67%. Winds will be 2 mph from the SW.

Partly cloudy. Low temperature around 32F. Dew point will be around 28F with an average humidity of 75%. Winds will be 1 mph from the N.

Partly cloudy. High temperature around 43F. Dew point will be around 30F with an average humidity of 69%. Winds will be 3 mph from the SW.

Partly cloudy. Low temperature around 30F. Dew point will be around 29F with an average humidity of 79%. Winds will be 2 mph from the N.