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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 8:31 pm CST Dec 22, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Tuesday Wednesday Christmas Day Friday Saturday Sunday Monday
Cloudy on Tonight Partly Sunny on Tuesday 30% chance of rain on Wednesday Mostly Cloudy on Christmas Day Partly Sunny on Friday Mostly Cloudy on Saturday Mostly Sunny on Sunday Sunny on Monday
Low: 36°F High: 47°F High: 45°F High: 50°F High: 52°F High: 55°F High: 34°F High: 29°F
Low: 29°F Low: 39°F Low: 43°F Low: 37°F Low: 24°F Low: 14°F  
Cloudy Partly Sunny Rain Mostly Cloudy Partly Sunny Mostly Cloudy Mostly Sunny Sunny
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Current Conditions at
MOLINE - (KMLI)
34°
Clear
as of 8:52 PM CST
Rel. Humidity: 74%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
36°
Feels like 28°F
Clear
as of 8:52 PM CST
Rel. Humidity: 69%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.98 in.
Flight Rule: VFR
Wind Data
9 MPH
170° South
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
34°
Clear
as of 8:56 PM CST
Rel. Humidity: 80%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.99 in.
Flight Rule: VFR
Wind Data
5 MPH
160° South
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
39°
Mostly Cloudy
as of 8:56 PM CST
Rel. Humidity: 69%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.00 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Broken at 3400ft
Cloudy on Tonight Tonight... Partly cloudy, with a low around 36. South wind around 10 mph.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 47. West wind around 5 mph becoming north in the afternoon.
Increasing Clouds on Tuesday Night Tuesday Night... Increasing clouds, with a low around 29. Calm wind becoming east around 5 mph after midnight.
30% chance of rain Wednesday Wednesday... A 30 percent chance of rain after noon. Cloudy, with a high near 45. Southeast wind 5 to 10 mph.
Cloudy on Wednesday Night Wednesday Night... Cloudy, with a low around 39.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 50.
30% chance of rain Thursday Night Thursday Night... A 30 percent chance of rain before midnight. Mostly cloudy, with a low around 43.
Partly Sunny on Friday Friday... Partly sunny, with a high near 52.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 37.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 55.
Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 24.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 34.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 14.
Sunny on Monday Monday... Sunny, with a high near 29.
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
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.