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Harmon Park, IL 7-Day Weather Forecast
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Harmon Park Weather Forecast
Harmon Park, IL Weather Forecast Date: 631 PM CDT Tue Sep 15 2026
Weather forecast for Harmon Park, IL
Tonight Lo: 65°F Lo: 18°C |
Tonight... Showers likely and a chance of thunderstorms. Lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70%. |
Wed Hi: 75°FHi: 24°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly cloudy. A slight chance of showers and thunderstorms. Not as warm with highs in the mid 70s. Northeast winds around 5 mph. Chance of precipitation 20%. |
| Thu Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Thursday... Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 70s. North winds around 5 mph. Chance of precipitation 50%. |
| Fri Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Friday... Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 40%. |
| Sat Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C |
Saturday... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 70%. |
Sun Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Sunday... Mostly cloudy with a chance of showers. Highs in the upper 70s. Chance of precipitation 50%. |
| Mon Hi: 71°FHi: 22°C Lo: 59°F Lo: 15°C |
Monday... Mostly cloudy with a 40% chance of showers. Highs in the lower 70s. |
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