10-Day Weather Forecast - Westchester, IL

Sunny. Highs in the lower 30s. Northwest winds 5 to 10 mph becoming southwest in the afternoon.

Mostly clear in the evening then becoming mostly cloudy. Near steady temperature in the upper 20s. South winds 5 to 10 mph.

Mostly cloudy. Highs in the lower 40s. South winds 10 to 15 mph with gusts up to 25 mph.

Mostly cloudy. Near steady temperature in the upper 30s. Southwest winds 5 to 10 mph.

Mostly cloudy. Highs in the upper 40s. West winds 5 to 10 mph.

Mostly cloudy. Lows in the mid 30s.

Mostly cloudy. A chance of rain showers and drizzle in the afternoon. Highs in the mid 40s. Chance of precipitation 30 percent.

Cloudy. Showers and drizzle likely mainly in the evening. Near steady temperature in the mid 40s. Chance of precipitation 60 percent.

Cloudy. Highs in the upper 40s.

Cloudy. Lows in the upper 30s.

Mostly cloudy. Near steady temperature in the lower 40s.

Mostly cloudy. Lows in the lower 30s.

Mostly cloudy. Highs in the lower 40s.

Cloudy. Low temperature around 37F. Dew point will be around 35F with an average humidity of 80%. Winds will be 4 mph from the W.

Partly cloudy. High temperature around 42F. Dew point will be around 29F with an average humidity of 66%. Winds will be 5 mph from the NW.

Clear. Low temperature around 33F. Dew point will be around 26F with an average humidity of 67%. Winds will be 4 mph from the NW.

Partly cloudy. High temperature around 42F. Dew point will be around 27F with an average humidity of 62%. Winds will be 2 mph from the N.

Partly cloudy. Low temperature around 35F. Dew point will be around 28F with an average humidity of 69%. Winds will be 2 mph from the S.

Partly cloudy. High temperature around 44F. Dew point will be around 28F with an average humidity of 61%. Winds will be 4 mph from the S.

Partly cloudy. Low temperature around 37F. Dew point will be around 30F with an average humidity of 69%. Winds will be 3 mph from the SW.