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Dayton, IL Weather Forecast

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Dayton, IL Weather Forecast

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Dayton IL weather - Clear - 53°F
Clear
53°F
Updated 12:02 am
Feels Like 56°F
Humidity 89%
Wind N 0 mph
Barometer  30.31 in
Dew Point 50°F
Dayton IL weather - Clear - 12°C
Clear
12°C
Updated 12:02 am
Feels Like 13°C
Humidity 89%
Wind N 0 km/h
Barometer  102.6 kPa
Dew Point 10°C
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Dayton Weather Forecast

TONIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY
Dayton, IL Weather - Tonight Partly Cloudy Dayton, IL Weather - Monday Mostly Cloudy Dayton, IL Weather - Monday Night Mostly Cloudy Dayton, IL Weather - Tuesday Mostly Cloudy Dayton, IL Weather - Tuesday Night Mostly Cloudy Dayton, IL Weather - Wednesday Partly Cloudy Dayton, IL Weather - Wednesday Night Partly Cloudy Dayton, IL Weather - Thursday Chance Of Showers Dayton, IL Weather - Thursday Night Chance Of Showers Dayton, IL Weather - Friday Chance Of Showers Dayton, IL Weather - Friday Night Chance Of Showers Dayton, IL Weather - Saturday Chance Of Showers
Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Chance of Showers Chance of Showers Chance of Showers Chance of Showers Chance of Showers
Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
 Lo: 49°FLo: 9°C Hi: 75°FHi: 24°C
 Lo: 55°FLo: 13°C Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C		 Hi: 75°FHi: 24°C
Lo: 59°FLo: 15°C		 Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 79°FHi: 26°C
 Lo: 59°FLo: 15°C Hi: 71°FHi: 22°C
POP: 30% POP: 50% POP: 50% POP: 40% POP: 50%
POP = Probability of Precipitation.
Weather Outlook Updated: 746 PM CDT Sun Oct 25 2026 Dayton, IL Weather - WeatherWorld.com

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Issued: 603 PM CDT Sun Oct 25 2026

Key Messages

  • Unseasonably mild fall weather continues through the upcoming work week, with passing clouds and light winds.
  • Mostly dry conditions expected at the start of the work week, with chances gradually increasing midweek and beyond.

Aviation

/00Z TAFS THROUGH 00Z TUESDAY/... Issued at 555 PM CDT Sun Oct 25 2026

A continuation of VFR is expected tonight into Monday. Light and variable winds early tonight will gradually increase (5-10 kts) out of the north-notheast as a front sags southward thro...