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Village of Chatham, IllinoisChatham, IL 7-Day Night Weather Forecast
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Chatham, IL Weather Forecast
Chatham, IL Weather Forecast Date: 906 AM CDT Tue Sep 15 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.
Rest of Today... Mostly cloudy. Scattered showers in the late morning and early afternoon. Isolated thunderstorms. Isolated showers late. Highs around 80. Southwest winds 5 to 10 mph. Chance of precipitation 50%.
Tonight... Mostly cloudy. A chance of thunderstorms early in the evening. A chance of showers. A slight chance of thunderstorms in the late evening and overnight. Lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 50%.
Wednesday... Mostly cloudy. A chance of showers until late afternoon, then a slight chance of showers late. Highs in the lower 70s. Northeast winds 5 to 10 mph. Chance of precipitation 40%.
Wednesday Night... Mostly cloudy. A chance of showers in the evening. A slight chance of thunderstorms. Showers likely after midnight. Near steady temperature in the upper 60s. East winds around 5 mph, becoming south after midnight. Chance of precipitation 60%.
Thursday... Mostly cloudy. A chance of showers in the morning. A slight chance of thunderstorms. A slight chance of showers in the afternoon. Humid with highs in the upper 70s. Northwest winds around 5 mph, becoming north in the afternoon. Chance of precipitation 50%.
Thursday Night... Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 20%.
Friday... Mostly cloudy. A chance of showers, mainly in the morning. Highs in the mid 70s. Chance of precipitation 30%.
Friday Night... Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 40%.
Saturday... Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 50%.
Saturday Night... Mostly cloudy. Showers likely, mainly in the evening. Lows in the mid 60s. Chance of precipitation 70%.
Sunday... Mostly cloudy with a chance of showers. Highs in the lower 70s. Chance of precipitation 40%.
Sunday Night... Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of precipitation 30%.
POP = Probability of Precipitation
Chatham Radar Loop
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