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Grayslake Middle School, IL 7-Day Night Weather Forecast
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Grayslake Middle School, IL Weather Forecast
Grayslake Middle School, IL Weather Forecast Date: 301 AM CDT Mon Sep 21 2026
The area/counties/county of: Lake County Il, including the cities of: Waukegan, Buffalo Grove, Mundelein, and Gurnee.or toggle through each period.
Early This Morning... Cloudy. Areas of drizzle late, then patchy drizzle late. Temperatures in the upper 50s. East winds 10 to 15 mph with gusts up to 25 mph.
Today... Cloudy. Patchy drizzle early in the morning. A slight chance of showers in the morning. Highs in the mid 60s. Northeast winds 15 to 20 mph with gusts up to 25 mph. Chance of precipitation 20%.
Tonight... Mostly cloudy. Lows in the lower 50s. Northeast winds 10 to 15 mph.
Tuesday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night... Partly cloudy. Lows in the lower 50s. Northeast winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.
Wednesday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Wednesday Night... Partly cloudy. Lows in the lower 50s.
Thursday... Partly cloudy. Highs in the mid 60s.
Thursday Night... Mostly cloudy. Lows in the lower 50s.
Friday... Partly cloudy. Highs in the mid 60s.
Friday Night... Partly cloudy. Lows in the lower 50s.
Saturday... Mostly cloudy. Highs in the mid 60s.
Saturday Night... Mostly cloudy. Lows in the lower 50s.
POP = Probability of Precipitation
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