10-Day Weather Forecast - Grafton, IL

Partly sunny. Highs in the upper 70s. Southeast winds around 5 mph.

Mostly cloudy. Lows around 50. Southeast winds around 5 mph.

Partly sunny. Highs in the upper 70s. South winds around 5 mph.

Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. Light and variable winds, becoming south around 5 mph after midnight.

Mostly cloudy. Highs in the mid 70s.

Mostly cloudy. Lows in the lower 50s.

Mostly clear. Highs in the lower 80s.

Mostly clear. Lows in the mid 50s.

Mostly clear. Highs in the lower 80s.

Partly cloudy. Lows in the mid 50s.

Partly cloudy. Highs in the lower 80s.

Mostly cloudy. Lows in the mid 50s.

Mostly cloudy in the morning, then becoming partly sunny. A 40 percent chance of showers. Highs in the mid 70s.

Cloudy with a 26% chance for rain and thunderstorms. Low temperature around 60F. Dew point will be around 52F with an average humidity of 91%. Winds will be 6 mph from the SE.

Mostly cloudy with a 25% chance for rain and thunderstorms. High temperature around 71F. Dew point will be around 64F with an average humidity of 86%. Winds will be 8 mph from the S.

Cloudy with a 35% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 64F with an average humidity of 95%. Winds will be 8 mph from the S.

Mostly cloudy with a 31% chance for rain and thunderstorms. High temperature around 79F. Dew point will be around 69F with an average humidity of 82%. Winds will be 17 mph from the SSW.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 57F. Dew point will be around 39F with an average humidity of 64%. Winds will be 16 mph from the W.