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Harvey, IL Weather Forecast
Harvey, IL Weather Forecast Date: 605 AM CDT Sun Sep 06 2026
The area/counties/county of: Southern Cook, including the cities of: Calumet City, Oak Forest, Lemont, Orland Park, and Park Forest.or toggle through each period.
Today... Mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph.
Tonight... Mostly clear. Lows in the lower 60s. East winds around 5 mph.
Labor Day... Mostly sunny. Highs around 80. East winds 5 to 10 mph.
Monday Night... Partly cloudy. Lows in the lower 60s. Southeast winds around 5 mph.
Tuesday... Partly cloudy. Highs in the mid 80s. South winds 5 to 10 mph.
Tuesday Night... Partly cloudy in the evening, then mostly cloudy with a slight chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of precipitation 20%.
Wednesday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 30%.
Wednesday Night... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.
Thursday... Mostly cloudy in the morning, then clearing. Highs around 80.
Thursday Night... Mostly clear. Lows around 60.
Friday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
POP = Probability of Precipitation
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