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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 6:31 am CST Dec 19, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

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Today Tonight Saturday Sunday Monday Tuesday Wednesday Christmas Day
Sunny on Today Mostly Clear on Tonight Mostly Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday Partly Sunny on Tuesday Mostly Cloudy on Wednesday Mostly Sunny on Christmas Day
High: 38°F Low: 31°F High: 53°F High: 43°F High: 47°F High: 61°F High: 67°F High: 72°F
Low: 28°F Low: 29°F Low: 41°F Low: 47°F Low: 57°F  
Sunny Mostly Clear Mostly Sunny Mostly Sunny Partly Sunny Partly Sunny Mostly Cloudy Mostly Sunny
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Current Conditions at
ALTON - (KALN)
25°
Clear
as of 8:45 AM CST
Rel. Humidity: 58%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.03 in.
Flight Rule: VFR
Wind Data
8 MPH
270° West
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
27°
Feels like 13°F
Mostly Clear
as of 8:51 AM CST
Rel. Humidity: 53%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.04 in.
Flight Rule: VFR
Wind Data
17 MPH
Gust: 28 MPH
290° West
Cloud Level(s): Few at 25000ft
Current Conditions at
EAST ST LOUIS - (KCPS)
27°
Feels like 15°F
Clear
as of 8:53 AM CST
Rel. Humidity: 53%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
14 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
25°
Feels like 11°F
Clear
as of 8:54 AM CST
Rel. Humidity: 58%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
17 MPH
280° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 38. West wind 7 to 15 mph becoming south in the afternoon. Winds could gust as high as 23 mph.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 31. South wind 7 to 13 mph, with gusts as high as 22 mph.

Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 53. South wind 9 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 28. Northwest wind 3 to 8 mph.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 43. Light and variable wind becoming north around 6 mph in the morning.

Mostly Cloudy on Sunday Night Sunday Night... Mostly cloudy, with a low around 29.

Partly Sunny on Monday Monday... Partly sunny, with a high near 47.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 41.

Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 61.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 47.

Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 67.

Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 57.

Mostly Sunny on Christmas Day Christmas Day... Mostly sunny, with a high near 72.

Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 07:14 AM
Sunset: 4:41 PM
Civil Sunrise:06:44 AM
Civil Sunset: 5:11 PM
Nautical Sunrise: 06:11 AM
Nautical Sunset: 5:44 PM
Astro Sunrise: 05:39 AM
Astro Sunset: 6:17 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.