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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 9:41 pm CST Dec 21, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday Christmas Day Friday Saturday Sunday
Mostly Cloudy on Overnight Partly Sunny on Monday Partly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday Sunny on Sunday
Low: 31°F High: 43°F High: 48°F High: 47°F High: 55°F High: 52°F High: 46°F High: 35°F
Low: 36°F Low: 31°F Low: 43°F Low: 40°F Low: 33°F Low: 23°F  
Mostly Cloudy Partly Sunny Partly Sunny Cloudy Mostly Cloudy Partly Sunny Mostly Cloudy Sunny
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Current Conditions at
MOLINE - (KMLI)
32°
Clear
as of 11:52 PM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.33 in.
Flight Rule: VFR
Wind Data
6 MPH
130° Southeast
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
34°
Feels like 25°F
Mostly Clear
as of 11:52 PM CST
Rel. Humidity: 64%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.32 in.
Flight Rule: VFR
Wind Data
10 MPH
150° Southeast
Cloud Level(s): Few at 12000ft
Current Conditions at
CLINTON - (KCWI)
32°
Feels like 24°F
Mostly Cloudy
as of 11:56 PM CST
Rel. Humidity: 74%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.35 in.
Flight Rule: VFR
Wind Data
9 MPH
160° South
Cloud Level(s): Broken at 12000ft
Current Conditions at
STERLING ROCK - (KSQI)
32°
Mostly Clear
as of 11:56 PM CST
Rel. Humidity: 68%
Dew Point: 23°F
Visibility: 10 Miles
Pressure: 30.37 in.
Flight Rule: VFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Few at 8500ft
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a steady temperature around 31. South wind around 10 mph.

Partly Sunny on Monday Monday... Partly sunny, with a high near 43. South wind around 10 mph, with gusts as high as 20 mph.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 36. South wind 5 to 10 mph.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 48. West wind around 5 mph becoming north in the afternoon.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.

Cloudy on Wednesday Wednesday... Cloudy, with a high near 47.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 43.

Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 55.

Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 40.

Partly Sunny on Friday Friday... Partly sunny, with a high near 52.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 33.

Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 46.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 23.

Sunny on Sunday Sunday... Sunny, with a high near 35.

Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:25 AM
Sunset: 4:35 PM
Civil Sunrise:06:54 AM
Civil Sunset: 5:07 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:42 PM
Astro Sunrise: 05:45 AM
Astro Sunset: 6:15 PM
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