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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 9:36 pm CST Nov 22, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

MouseOver for Detail Forecast
Tonight Sunday Monday Tuesday Wednesday Thanksgiving Day Friday Saturday
Mostly Clear on Tonight Sunny on Sunday 40% chance of rain on Monday Mostly Cloudy on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thanksgiving Day Mostly Sunny on Friday Mostly Cloudy on Saturday
Low: 32°F High: 54°F High: 56°F High: 58°F High: 39°F High: 36°F High: 34°F High: 39°F
Low: 35°F Low: 46°F Low: 31°F Low: 23°F Low: 20°F Low: 22°F  
Mostly Clear Sunny Rain Mostly Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy
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Current Conditions at
MOLINE - (KMLI)
46°
Feels like 41°F
Clear
as of 8:52 PM CST
Rel. Humidity: 81%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
12 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
48°
Feels like 42°F
Clear
as of 8:52 PM CST
Rel. Humidity: 81%
Dew Point: 43°F
Visibility: 10 Miles
Flight Rule: VFR
Wind Data
13 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
41°
Feels like 35°F
Clear
as of 8:56 PM CST
Rel. Humidity: 93%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
9 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
43°
Feels like 36°F
Clear
as of 8:56 PM CST
Rel. Humidity: 93%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
10 MPH
240° Southwest
Cloud Level(s): Clear
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 32. West wind 5 to 10 mph.
Sunny on Sunday Sunday... Sunny, with a high near 54. Calm wind becoming southwest around 5 mph.
Increasing Clouds on Sunday Night Sunday Night... Increasing clouds, with a low around 35. Calm wind becoming south around 5 mph after midnight.
40% chance of rain Monday Monday... A 40 percent chance of rain after noon. Mostly cloudy, with a high near 56. South wind 5 to 10 mph.
80% chance of rain Monday Night Monday Night... Rain. Low around 46. Chance of precipitation is 80%.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 58.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 39.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 23.
Mostly Sunny on Thanksgiving Day Thanksgiving Day... Mostly sunny, with a high near 36.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 20.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 34.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 22.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, with a high near 39.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 06:59 AM
Sunset: 4:36 PM
Civil Sunrise:06:29 AM
Civil Sunset: 5:06 PM
Nautical Sunrise: 05:55 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:22 AM
Astro Sunset: 6:13 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.