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.

Mostly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 62F. Dew point will be around 60F with an average humidity of 91%. Winds will be 8 mph from the SE.

Mostly cloudy with a 25% chance for rain and thunderstorms. High temperature around 74F. Dew point will be around 66F with an average humidity of 83%. Winds will be 10 mph from the S.

Cloudy with a 25% chance for rain and thunderstorms. Low temperature around 66F. Dew point will be around 65F with an average humidity of 95%. Winds will be 6 mph from the SSE.

Cloudy with a 32% chance for rain and thunderstorms. High temperature around 70F. Dew point will be around 69F with an average humidity of 98%. Winds will be 11 mph from the S.

Partly cloudy with a 30% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 67F with an average humidity of 95%. Winds will be 10 mph from the SW.