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Village of Summit, ILSummit, IL 7-Day Weather Forecast
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Summit Weather Forecast
Summit, IL Weather Forecast Date: 120 AM CDT Sun Sep 06 2026
Weather forecast for Summit, IL
Tonight Lo: 69°F Lo: 21°C |
Tonight... Partly cloudy. Lows in the upper 60s. Northeast winds 5 to 10 mph. |
Sun Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Sunday... Mostly sunny. Highs in the upper 70s. Northeast winds 5 to 10 mph. |
| Labor Day Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Labor Day... Mostly sunny. Highs in the upper 70s. East winds 5 to 10 mph. |
Tue Hi: 85°FHi: 29°C Lo: 75°F Lo: 24°C |
Tuesday... Partly cloudy. Highs in the mid 80s. |
Wed Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the upper 80s. Chance of precipitation 20%. |
| Thu Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Thursday... Mostly cloudy in the morning, then clearing. Highs in the upper 70s. |
| Fri Hi: 80°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Partly cloudy. Highs around 80. |
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