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Village of New Lenox, ILNew Lenox, IL 7-Day Night Weather Forecast
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New Lenox, IL Weather Forecast
New Lenox, IL Weather Forecast Date: 346 PM CDT Sun Oct 25 2026
The area/counties/county of: Northern Will, including the cities of: Joliet, Bolingbrook, Plainfield, and Mokena.or toggle through each period.
Late This Afternoon... Partly cloudy. Temperatures in the lower 70s. South winds around 5 mph.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50. South winds around 5 mph, becoming southwest after midnight.
Monday... Mostly cloudy. Patchy fog in the morning. Highs in the mid 60s. Northeast winds 5 to 10 mph.
Monday Night... Mostly cloudy. Lows in the upper 40s. Northeast winds 5 to 10 mph.
Tuesday... Mostly cloudy. Highs around 70. Southeast winds 5 to 10 mph.
Tuesday Night... Mostly cloudy. Lows in the mid 50s. South winds around 5 mph.
Wednesday... Mostly cloudy in the morning, then clearing. Highs in the lower 70s.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
Thursday... Partly cloudy. Highs in the upper 70s.
Thursday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s.
Friday... Mostly cloudy. A chance of showers in the morning. Highs in the mid 70s. Chance of precipitation 30%.
Friday Night... Mostly cloudy with a 30% chance of showers. Lows in the upper 50s.
Saturday... Mostly cloudy with a 40% chance of showers. Highs in the lower 70s.
Saturday Night... Mostly cloudy with a 50% chance of showers. Lows in the upper 50s.
POP = Probability of Precipitation
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