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Kosciuszko Park, IL 7-Day Night Weather Forecast
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Kosciuszko Park, IL Weather Forecast
Kosciuszko Park, IL Weather Forecast Date: 641 AM CDT Sun Aug 23 2026
The area/counties/county of: Central Cook, including the cities of: Chicago, Cicero, Oak Lawn, Oak Park, and La Grange.or toggle through each period.
Today... Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s. Northwest winds 5 to 10 mph.
Tonight... Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph, becoming west after midnight.
Monday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s inland, but only in the mid 70s near the lake. Northwest winds around 5 mph, becoming north in the afternoon.
Monday Night... Partly cloudy in the evening, then becoming mostly clear. Lows around 60. Southeast winds around 5 mph, becoming southwest after midnight.
Tuesday... Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. South winds around 5 mph.
Tuesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.
Wednesday... Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40%.
Wednesday Night... Partly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40%.
Thursday... Sunny in the morning, then becoming partly cloudy. Highs in the lower 80s.
Thursday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 60s.
Friday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s.
Friday Night... Partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
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