10-Day Weather Forecast - Crystal Lake, IL

Partly cloudy. Highs in the upper 50s. West winds around 5 mph, increasing to southwest in the afternoon.

Partly cloudy in the evening, then becoming mostly clear. Lows around 40. Southwest winds 5 to 10 mph, becoming west after midnight.

Mostly sunny. Highs in the lower 60s. Northwest winds around 5 mph.

Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s.

Mostly cloudy with a 20 percent chance of showers. Highs in the lower 50s.

Mostly cloudy with a 20 percent chance of rain. Lows in the mid 30s.

Mostly cloudy. Highs in the mid 40s.

Partly cloudy in the evening, then clearing. Lows in the upper 20s.

Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 40s.

Partly cloudy in the evening, then clearing. Lows around 30.

Mostly sunny. Highs in the lower 50s.

Partly cloudy. Low temperature around 28F. Dew point will be around 26F with an average humidity of 80%. Winds will be 6 mph from the NW.

Sunny. High temperature around 44F. Dew point will be around 31F with an average humidity of 72%. Winds will be 5 mph from the NW.

Mostly clear. Low temperature around 28F. Dew point will be around 27F with an average humidity of 89%. Winds will be 4 mph from the WNW.

Partly cloudy. High temperature around 47F. Dew point will be around 32F with an average humidity of 69%. Winds will be 7 mph from the WSW.

Partly cloudy. Low temperature around 36F. Dew point will be around 30F with an average humidity of 77%. Winds will be 8 mph from the WSW.

Partly cloudy. High temperature around 53F. Dew point will be around 42F with an average humidity of 68%. Winds will be 8 mph from the SW.

Clear. Low temperature around 37F. Dew point will be around 34F with an average humidity of 83%. Winds will be 9 mph from the SSW.