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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 9:26 pm CST Dec 28, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Overnight Monday Tuesday Wednesday New Year's Day Friday Saturday Sunday
Mostly Cloudy on Overnight Mostly Cloudy on Monday Mostly Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on New Year's Day Partly Sunny on Friday Partly Sunny on Saturday Mostly Sunny on Sunday
Low: 17°F High: 29°F High: 36°F High: 43°F High: 39°F High: 42°F High: 44°F High: 41°F
Low: 18°F Low: 27°F Low: 25°F Low: 22°F Low: 28°F Low: 24°F  
Mostly Cloudy Mostly Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Sunny
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Current Conditions at
ALTON - (KALN)
23°
Feels like 6°F
Clear
as of 12:15 AM CST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
26 MPH
Gust: 35 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
23°
Feels like 7°F
Mostly Clear
as of 11:51 PM CST
Rel. Humidity: 57%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
23 MPH
Gust: 33 MPH
280° West
Cloud Level(s): Few at 2800ft
Current Conditions at
EAST ST LOUIS - (KCPS)
25°
Feels like 10°F
Clear
as of 11:53 PM CST
Rel. Humidity: 58%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
20 MPH
Gust: 30 MPH
290° West
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
21°
Feels like 5°F
Clear
as of 11:54 PM CST
Rel. Humidity: 62%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
22 MPH
Gust: 33 MPH
290° West
Cloud Level(s): Clear
Mostly Cloudy on Overnight Overnight... Mostly cloudy, with a low around 17. Breezy, with a west wind around 26 mph, with gusts as high as 41 mph.
Mostly Cloudy on Monday Monday... Mostly cloudy, then gradually becoming sunny, with a high near 29. Breezy, with a northwest wind 21 to 26 mph decreasing to 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 18. Northwest wind 6 to 14 mph, with gusts as high as 23 mph.
Mostly Sunny on Tuesday Tuesday... Mostly sunny, with a high near 36. West wind 6 to 9 mph.
Mostly Clear on Tuesday Night Tuesday Night... Mostly clear, with a low around 27. West wind around 7 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 43.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 25.
Mostly Sunny on New Year's Day New Year's Day... Mostly sunny, with a high near 39.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 22.
Partly Sunny on Friday Friday... Partly sunny, with a high near 42.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 28.
Partly Sunny on Saturday Saturday... Partly sunny, with a high near 44.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 24.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 41.
Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:18 AM
Sunset: 4:47 PM
Civil Sunrise:06:48 AM
Civil Sunset: 5:17 PM
Nautical Sunrise: 06:15 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 6:23 PM
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