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Dayton, Illinois Weather Forecast
Dayton, Illinois Weather
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Weather Forecast for Dayton, Illinois : Henry County
Issued: 1:31 pm CST Jan 1, 2026 Latitude: 41.4892011 Longitude: -90.3215147 View on Google Maps

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New Year's Day Tonight Friday Saturday Sunday Monday Tuesday Wednesday
Mostly Sunny on New Year's Day Cloudy on Tonight Partly Sunny on Friday Partly Sunny on Saturday Partly Sunny on Sunday Mostly Sunny on Monday Partly Sunny on Tuesday Mostly Sunny on Wednesday
High: 26°F Low: 17°F High: 28°F High: 32°F High: 34°F High: 47°F High: 49°F High: 47°F
  Low: 21°F Low: 18°F Low: 31°F Low: 34°F Low: 29°F  
Mostly Sunny Cloudy Partly Sunny Partly Sunny Partly Sunny Mostly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
MOLINE - (KMLI)
28°
Clear
as of 2:52 PM CST
Rel. Humidity: 58%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
5 MPH
250° West
Cloud Level(s): Clear
Current Conditions at
DAVENPORT - (KDVN)
27°
Mostly Clear
as of 2:52 PM CST
Rel. Humidity: 63%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
6 MPH
200° South
Cloud Level(s): Few at 2600ft
Current Conditions at
CLINTON - (KCWI)
27°
Clear
as of 2:56 PM CST
Rel. Humidity: 63%
Dew Point: 16°F
Visibility: 10 Miles
Pressure: 29.95 in.
Flight Rule: VFR
Wind Data
8 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
STERLING ROCK - (KSQI)
23°
Clear
as of 2:56 PM CST
Rel. Humidity: 62%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 29.97 in.
Flight Rule: VFR
Wind Data
7 MPH
250° West
Cloud Level(s): Clear
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 26. West wind around 5 mph.
Cloudy on Tonight Tonight... Partly cloudy, with a low around 17. West wind around 5 mph becoming north after midnight.
Partly Sunny on Friday Friday... Partly sunny, with a high near 28. North wind around 5 mph.
Cloudy on Friday Night Friday Night... Cloudy, with a low around 21. Northeast wind around 5 mph becoming calm.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 32.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 18.
Partly Sunny on Sunday Sunday... Partly sunny, with a high near 34.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 31.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 47.
Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 34.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 49.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 29.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 47.
Current Radar Image


Sun Almanac for Dayton, Illinois
Sunrise: 07:28 AM
Sunset: 4:42 PM
Civil Sunrise:06:57 AM
Civil Sunset: 5:13 PM
Nautical Sunrise: 06:22 AM
Nautical Sunset: 5:48 PM
Astro Sunrise: 05:48 AM
Astro Sunset: 6:22 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.