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Hartford, Illinois Weather Forecast
Hartford, Illinois Weather
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Weather Forecast for Hartford, Illinois : Madison County
Issued: 8:41 pm CST Nov 11, 2025 Latitude: 38.8333815 Longitude: -90.09594 View on Google Maps

MouseOver for Detail Forecast
Tonight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
Clear on Tonight Sunny on Wednesday Partly Sunny on Thursday Mostly Sunny on Friday Mostly Sunny on Saturday 20% chance of rain on Sunday 40% chance of rain on Monday Partly Sunny on Tuesday
Low: 36°F High: 66°F High: 64°F High: 75°F High: 79°F High: 69°F High: 59°F High: 58°F
Low: 38°F Low: 49°F Low: 57°F Low: 54°F Low: 43°F Low: 44°F  
Clear Sunny Partly Sunny Mostly Sunny Mostly Sunny Rain Rain Partly Sunny
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Current Conditions at
ALTON - (KALN)
45°
Clear
as of 8:50 PM CST
Rel. Humidity: 52%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
7 MPH
210° Southwest
Cloud Level(s): Clear
Current Conditions at
ST LOUIS - (KSTL)
46°
Clear
as of 8:51 PM CST
Rel. Humidity: 49%
Dew Point: 28°F
Visibility: 10 Miles
Pressure: 29.94 in.
Flight Rule: VFR
Wind Data
5 MPH
280° West
Cloud Level(s): Clear
Current Conditions at
EAST ST LOUIS - (KCPS)
46°
Clear
as of 8:53 PM CST
Rel. Humidity: 45%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
7 MPH
190° South
Cloud Level(s): Clear
Current Conditions at
ST CHARLES - (KSET)
43°
Clear
as of 8:54 PM CST
Rel. Humidity: 48%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 29.93 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Clear on Tonight Tonight... Clear, with a low around 36. West wind around 7 mph.
Sunny on Wednesday Wednesday... Sunny, with a high near 66. West wind 6 to 10 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 38. West wind around 6 mph becoming calm in the evening.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 64. Calm wind becoming south 5 to 9 mph in the afternoon.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 49. South wind 5 to 7 mph.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 75.
Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 57.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 79.
Cloudy on Saturday Night Saturday Night... Partly cloudy, with a low around 54.
20% chance of rain Sunday Sunday... A 20 percent chance of rain. Mostly sunny, with a high near 69.
20% chance of rain Sunday Night Sunday Night... A 20 percent chance of rain. Partly cloudy, with a low around 43.
40% chance of rain Monday Monday... A 40 percent chance of rain. Partly sunny, with a high near 59.
50% chance of rain Monday Night Monday Night... A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Partly Sunny on Tuesday Tuesday... Partly sunny, with a high near 58.
Current Radar Image


Sun Almanac for Hartford, Illinois
Sunrise: 06:39 AM
Sunset: 4:50 PM
Civil Sunrise:06:11 AM
Civil Sunset: 5:18 PM
Nautical Sunrise: 05:39 AM
Nautical Sunset: 5:50 PM
Astro Sunrise: 05:08 AM
Astro Sunset: 6:21 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.