Weather WorldGrant High School, IL 7-Day Night Weather Forecast
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Grant High School, IL Weather Forecast
Grant High School, IL Weather Forecast Date: 605 AM CDT Thu Oct 22 2026
The area/counties/county of: Lake County Il, including the cities of: Waukegan, Buffalo Grove, Mundelein, and Gurnee.or toggle through each period.
Today... Sunny. Highs in the lower 70s inland, but only in the mid 60s near the lake. Temperature falling into the mid 60s in the afternoon. North winds around 5 mph, becoming east in the afternoon.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Patchy dense fog in the late evening and early morning. Areas of dense fog late. Lows in the upper 40s. Northeast winds around 5 mph.
Friday... Partly cloudy in the morning, then clearing. Areas of dense fog early in the morning. Highs in the lower 70s inland, but only in the upper 60s near the lake. Southeast winds 5 to 10 mph.
Friday Night... Partly cloudy. Lows in the upper 40s. Southeast winds 5 to 10 mph.
Saturday... Partly cloudy in the morning, then becoming mostly cloudy. Highs around 70. South winds 5 to 10 mph.
Saturday Night... Mostly cloudy. Lows in the lower 50s.
Sunday... Mostly cloudy. Highs in the lower 70s.
Sunday Night... Mostly cloudy. Lows in the lower 50s.
Monday... Mostly cloudy. Highs in the mid 60s.
Monday Night... Mostly cloudy. Lows in the upper 40s.
Tuesday... Mostly cloudy. Highs in the lower 60s.
Tuesday Night... Mostly cloudy. Lows in the mid 40s.
POP = Probability of Precipitation
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