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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 7:06 pm CST Dec 19, 2025 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

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Tonight Saturday Sunday Monday Tuesday Wednesday Christmas Day Friday
Mostly Cloudy on Tonight Mostly Cloudy on Saturday Sunny on Sunday Mostly Cloudy on Monday Mostly Sunny on Tuesday Cloudy on Wednesday Mostly Cloudy on Christmas Day Mostly Cloudy on Friday
Low: 32 °F High: 41°F High: 31°F High: 42°F High: 48°F High: 51°F High: 61°F High: 52°F
Low: 17°F Low: 24°F Low: 35°F Low: 32°F Low: 44°F Low: 36°F  
Mostly Cloudy Mostly Cloudy Sunny Mostly Cloudy Mostly Sunny Cloudy Mostly Cloudy Mostly Cloudy
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Current Conditions at
MOLINE - (KMLI)
25°
Clear
as of 8:52 PM CST
Rel. Humidity: 68%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.88 in.
Flight Rule: VFR
Wind Data
7 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
25°
Feels like 12°F
Clear
as of 8:52 PM CST
Rel. Humidity: 68%
Dew Point: 16°F
Pressure: 29.86 in.
Wind Data
15 MPH
150° Southeast
Cloud Level(s): Clear
Current Conditions at
CLINTON - (KCWI)
21°
Feels like 10°F
Clear
as of 8:56 PM CST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.89 in.
Flight Rule: VFR
Wind Data
10 MPH
140° Southeast
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
21°
Feels like 10°F
Clear
as of 8:56 PM CST
Rel. Humidity: 79%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.90 in.
Flight Rule: VFR
Wind Data
9 MPH
120° Southeast
Cloud Level(s): Clear
Mostly Cloudy on Tonight Tonight... Mostly cloudy, with a temperature rising to around 32 by 4am. South wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Cloudy on Saturday Saturday... Mostly cloudy, then gradually becoming sunny, with a high near 41. South wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 17. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunny on Sunday Sunday... Sunny, with a high near 31. Northwest wind around 5 mph becoming southeast in the afternoon.
Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 24.
Mostly Cloudy on Monday Monday... Mostly cloudy, with a high near 42.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 35.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 48.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 32.
Cloudy on Wednesday Wednesday... Cloudy, with a high near 51.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 44.
Mostly Cloudy on Christmas Day Christmas Day... Mostly cloudy, with a high near 61.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 36.
Mostly Cloudy on Friday Friday... Mostly cloudy, with a high near 52.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:23 AM
Sunset: 4:34 PM
Civil Sunrise:06:52 AM
Civil Sunset: 5:05 PM
Nautical Sunrise: 06:17 AM
Nautical Sunset: 5:40 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:14 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.