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Village of Oak Brook, ILOak Brook, IL 7-Day Night Weather Forecast
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Oak Brook, IL Weather Forecast
Oak Brook, IL Weather Forecast Date: 120 PM CDT Wed Sep 09 2026
The area/counties/county of: Dupage, including the cities of: Naperville, Wheaton, Downers Grove, Lombard, and Carol Stream.or toggle through each period.
This Afternoon... Mostly cloudy. Near steady temperature in the mid 70s. West winds 5 to 10 mph.
Tonight... Mostly cloudy. Lows in the mid 60s. West winds around 5 mph, becoming northwest after midnight.
Thursday... Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s. North winds around 5 mph.
Thursday Night... Clear. Lows in the upper 50s. East winds around 5 mph in the evening, becoming light and variable.
Friday... Sunny. Highs around 80. Southeast winds 5 to 10 mph.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Saturday... Partly cloudy. Highs in the lower 80s.
Saturday Night... Mostly cloudy in the evening, then becoming partly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Lows in the lower 60s. Chance of precipitation 20%.
Sunday... Partly cloudy in the morning, then becoming mostly cloudy. Highs around 80.
Sunday Night... Mostly cloudy. Lows in the mid 60s.
Monday... Mostly cloudy with a chance of showers. Breezy with highs in the mid 80s. Chance of precipitation 40%.
Monday Night... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Breezy with lows in the upper 60s. Chance of precipitation 50%.
POP = Probability of Precipitation
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