10-Day Weather Forecast - Grayslake, IL
Weekend Weather
- |73°FMostly CloudyHourly details
Tonight
73°FMostly cloudy. Temperatures in the lower 70s. Southwest winds around 5 mph.
- 90|75°FPartly CloudyHourly details
Day
90°FMostly cloudy in the morning then becoming partly cloudy. Humid. Highs in the upper 80s. Southwest winds 5 to 10 mph.
Night
75°FPartly cloudy in the evening then becoming mostly cloudy. A slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 40 percent.
- 91|69°F50% Chance of StormsHourly details
Day
91°FMostly cloudy in the morning then clearing. A chance of showers and thunderstorms. Humid with highs around 90. Southwest winds 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Chance of precipitation 50 percent. Heat index values up to 102.
Night
69°FMostly clear in the evening then becoming partly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows around 70. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.
- 79|61°FPartly CloudyHourly details
Day
79°FPartly cloudy in the morning then clearing. Highs in the lower 80s inland but only in the upper 70s near the lake. North winds 10 to 15 mph.
Night
61°FMostly clear. Lows in the lower 60s.
- 76|58°FSunnyHourly details
Day
76°FSunny. Highs in the upper 70s.
Night
58°FMostly clear. Lows in the lower 60s.
- 79|62°FPartly CloudyHourly details
Day
79°FPartly cloudy. Highs in the mid 80s.
Night
62°FPartly cloudy in the evening then mostly cloudy with a chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 30 percent.
- 80|65°F40% Chance Rain ShowersHourly details
Day
80°FMostly cloudy with a chance of showers. Highs in the mid 80s. Chance of precipitation 40 percent.
Night
65°FPartly cloudy with a chance of showers in the evening then mostly cloudy after midnight. Lows in the mid 60s. Chance of precipitation 30 percent.
Weekend Weather
- 81|64°FPartly Cloudy
Day
81°FPartly cloudy. Highs in the mid 80s.
Night
64°FClear with a 30% chance for rain and thunderstorms. Low temperature around 64F. Dew point will be around 61F with an average humidity of 79%. Winds will be 4 mph from the NE.
- 80|64°F30% Chance of Rain
Day
80°FSunny with a 25% chance for rain and thunderstorms. High temperature around 80F. Dew point will be around 63F with an average humidity of 67%. Winds will be 4 mph from the NE.
Night
64°FClear. Low temperature around 64F. Dew point will be around 61F with an average humidity of 77%. Winds will be 2 mph from the NE.
- 82|66°FSunny
Day
82°FSunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 82F. Dew point will be around 63F with an average humidity of 65%. Winds will be 2 mph from the S.
Night
66°FMostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 66F. Dew point will be around 61F with an average humidity of 73%. Winds will be 4 mph from the S.













