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Dayton Weather Forecast
Dayton, IL Weather Forecast Date: 126 PM CDT Sun Oct 25 2026
Weather forecast for Dayton, IL
Today Hi: 79°FHi: 26°C Lo: 51°F Lo: 11°C |
This Afternoon... Mostly sunny. Highs in the upper 70s. South winds around 5 mph. |
Mon Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Monday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. Northeast winds around 5 mph. |
| Tue Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Tuesday... Partly sunny in the morning, then becoming mostly cloudy. Highs in the mid 70s. Southeast winds 5 to 10 mph. |
Wed Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Wednesday... Partly cloudy. Highs in the mid 70s. Lows in the upper 50s. |
Thu Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Thursday... A chance of showers in the morning. Mostly sunny. Highs in the upper 70s. Chance of rain 30%. |
Fri Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Friday... Mostly cloudy in the morning, then becoming partly sunny. A 50% chance of showers. Highs in the upper 70s. |
| Sat Hi: 71°FHi: 22°C |
Saturday... Mostly cloudy with a 50% chance of showers. Highs in the lower 70s. |
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