10-Day Weather Forecast - Summit, IL

Mostly sunny. Highs in the mid 70s. Southeast winds around 5 mph.

Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Southeast winds around 5 mph in the evening, becoming light and variable.

Mostly sunny. Highs in the upper 70s. Light and variable winds, becoming south around 5 mph in the afternoon.

Mostly cloudy. Lows around 50.

Mostly cloudy. Highs in the mid 70s.

Mostly cloudy. Lows around 50.

Mostly cloudy. Highs in the mid 70s.

Mostly cloudy. Lows around 50.

Mostly clear. Highs in the mid 70s.

Mostly clear. Lows in the lower 50s.

Mostly sunny. Highs in the mid 70s.

Clear. Low temperature around 44F. Dew point will be around 39F with an average humidity of 73%. Winds will be 6 mph from the NW.

Sunny. High temperature around 63F. Dew point will be around 42F with an average humidity of 55%. Winds will be 6 mph from the WNW.

Partly cloudy. Low temperature around 50F. Dew point will be around 35F with an average humidity of 52%. Winds will be 6 mph from the NE.

Partly cloudy. High temperature around 68F. Dew point will be around 38F with an average humidity of 41%. Winds will be 10 mph from the SSE.

Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 55F. Dew point will be around 36F with an average humidity of 43%. Winds will be 10 mph from the S.

Mostly sunny. High temperature around 73F. Dew point will be around 55F with an average humidity of 50%. Winds will be 12 mph from the SW.

Partly cloudy. Low temperature around 51F. Dew point will be around 52F with an average humidity of 87%. Winds will be 4 mph from the WNW.