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Village of Lemont, ILLemont, IL 7-Day Weather Forecast
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Lemont Weather Forecast
Lemont, IL Weather Forecast Date: 301 PM CDT Tue Sep 29 2026
Weather forecast for Lemont, IL
Late Today Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Late This Afternoon... Mostly cloudy. Temperatures in the upper 70s. South winds around 5 mph. |
Wed Hi: 65°FHi: 18°C Lo: 65°F Lo: 18°C |
Wednesday... Showers. Near steady temperature in the mid 60s. South winds around 10 mph. Chance of precipitation 80%. |
Thu Hi: 75°FHi: 24°C Lo: 60°F Lo: 16°C |
Thursday... Showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 90%. |
Fri Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Friday... Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the mid 60s. Chance of precipitation 40%. |
Sat Hi: 65°FHi: 18°C Lo: 49°F Lo: 9°C |
Saturday... Mostly sunny. Highs in the mid 60s. |
| Sun Hi: 69°FHi: 21°C Lo: 49°F Lo: 9°C |
Sunday... Mostly sunny. Highs in the upper 60s. |
| Mon Hi: 61°FHi: 16°C Lo: 45°F Lo: 7°C |
Monday... Mostly sunny. Highs in the lower 60s. |
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