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Past Weather in Decatur, Illinois, USA — Yesterday and Last 2 Weeks

Currently: 31 °F. Overcast. (Weather station: Decatur Airport, USA). See more current weather

Past Weather in Decatur — Graph

°F

Decatur Temperature Yesterday

Maximum temperature yesterday: 29 °F (at 9:54 pm)
Minimum temperature yesterday: 1 °F (at 4:54 am)
Average temperature yesterday: 16 °F

High & Low Weather Summary for the Past Weeks

 TemperatureHumidityPressure
High53 °F (Nov 23, 12:54 pm)100% (Nov 21, 3:54 am)30.52 "Hg (Nov 21, 3:54 am)
Low1 °F (Dec 4, 9:54 pm)38% (Nov 26, 3:54 pm)29.80 "Hg (Nov 25, 4:19 am)
Average33 °F83%30.13 "Hg
* Reported Nov 21 1:54 am — Dec 6 1:54 am, Decatur. Weather by CustomWeather, © 2025

Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records

Decatur Weather History for the Previous 24 Hours

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 ConditionsComfort  
Time TempWeatherWind HumidityBarometerVisibility
1:54 am
Sat, Dec 6
31 °FOvercast.9 mph76%29.88 "Hg10 mi
12:54 am27 °FPassing clouds.8 mph78%29.88 "Hg10 mi
11:54 pm
Fri, Dec 5
28 °FPassing clouds.9 mph75%29.88 "Hg10 mi
10:54 pm28 °FPassing clouds.10 mph72%29.88 "Hg10 mi
9:54 pm29 °FPassing clouds.9 mph66%29.88 "Hg10 mi
8:54 pm27 °FClear.10 mph66%29.90 "Hg10 mi
7:54 pm27 °FClear.14 mph66%29.90 "Hg10 mi
6:54 pm26 °FPassing clouds.15 mph66%29.90 "Hg10 mi
5:54 pm26 °FClear.13 mph63%29.91 "Hg10 mi
4:54 pm25 °FClear.10 mph60%29.93 "Hg10 mi
3:54 pm27 °FSunny.12 mph53%29.93 "Hg10 mi
2:54 pm27 °FPassing clouds.12 mph55%29.94 "Hg10 mi
1:54 pm25 °FOvercast.10 mph69%29.97 "Hg10 mi
12:54 pm24 °FOvercast.10 mph65%30.00 "Hg10 mi
11:54 am21 °FOvercast.9 mph71%30.04 "Hg10 mi
10:54 am20 °FOvercast.9 mph74%30.07 "Hg10 mi
9:54 am20 °FPartly sunny.9 mph71%30.09 "Hg10 mi
8:54 am14 °FSunny.6 mph84%30.08 "Hg9 mi
7:54 am11 °FSunny.8 mph84%30.12 "Hg8 mi
6:54 am7 °FClear.6 mph87%30.12 "Hg9 mi
5:54 am3 °FClear.5 mph87%30.13 "Hg10 mi
4:54 am1 °FClear.No wind83%30.14 "Hg10 mi
3:54 am2 °FClear.No wind83%30.17 "Hg10 mi
Weather by CustomWeather, © 2025

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