10-Day Weather Forecast - Grafton, IL

Sunny cooler with highs in the lower 40s. North winds around 5 mph becoming east in the afternoon.

Partly cloudy. Lows in the upper 20s. Southeast winds 5 to 10 mph.

Mostly sunny in the morning then becoming mostly cloudy. Highs in the upper 40s. South winds around 10 mph with gusts up to 20 mph.

Mostly cloudy in the evening then becoming partly cloudy. Not as cool. Near steady temperature in the mid 40s.

Mostly sunny. Not as cool with highs in the upper 50s.

Mostly cloudy. Lows in the lower 40s. Highs in the mid 60s.

Mostly cloudy. Lows in the lower 40s. Highs in the mid 60s.

Partly cloudy. Not as cool with lows in the mid 50s.

Mostly clear. Highs in the lower 70s. Lows in the upper 40s.

Mostly clear. Highs in the lower 70s. Lows in the upper 40s.

Partly sunny. Highs in the mid 60s.

Mostly clear. Low temperature around 51F. Dew point will be around 50F with an average humidity of 83%. Winds will be 5 mph from the SW.

Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 56F. Dew point will be around 45F with an average humidity of 74%. Winds will be 4 mph from the N.

Cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 39F. Dew point will be around 38F with an average humidity of 77%. Winds will be 6 mph from the N.

Partly cloudy. High temperature around 46F. Dew point will be around 32F with an average humidity of 65%. Winds will be 5 mph from the N.

Partly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 35F. Dew point will be around 31F with an average humidity of 74%. Winds will be 2 mph from the N.

Partly cloudy. High temperature around 45F. Dew point will be around 29F with an average humidity of 63%. Winds will be 1 mph from the NW.

Mostly clear. Low temperature around 34F. Dew point will be around 29F with an average humidity of 73%. Winds will be 1 mph from the NE.