10-Day Weather Forecast - Island Lake, IL

Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s. South winds around 5 mph.

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

Mostly cloudy. Highs in the mid 60s. Northeast winds 5 to 10 mph.

Mostly cloudy. Lows in the mid 40s.

Mostly cloudy. Highs in the mid 60s.

Mostly cloudy. Lows around 50.

Mostly cloudy in the morning, then clearing. Highs in the lower 70s.

Partly cloudy. Lows in the lower 50s.

Partly cloudy. Highs in the upper 60s.

Partly cloudy. Lows in the mid 40s.

Mostly cloudy. A chance of showers in the morning. Highs in the mid 60s. Chance of precipitation 30 percent.

Partly cloudy. Low temperature around 46F. Dew point will be around 43F with an average humidity of 84%. Winds will be 7 mph from the SSW.

Cloudy. High temperature around 70F. Dew point will be around 56F with an average humidity of 72%. Winds will be 10 mph from the S.

Mostly cloudy. Low temperature around 56F. Dew point will be around 54F with an average humidity of 81%. Winds will be 10 mph from the SSW.

Partly cloudy. High temperature around 70F. Dew point will be around 55F with an average humidity of 70%. Winds will be 10 mph from the S.

Cloudy. Low temperature around 60F. Dew point will be around 52F with an average humidity of 76%. Winds will be 14 mph from the S.