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

Currently: 77 °F. Clear. (Weather station: Decatur Airport, USA). See more current weather

Past Weather in Decatur — Graph

°F

Decatur Temperature Yesterday

Maximum temperature yesterday: 89 °F (at 2:54 pm)
Minimum temperature yesterday: 72 °F (at 4:54 am)
Average temperature yesterday: 81 °F

High & Low Weather Summary for the Past Weeks

  Temperature Humidity Pressure
High 89 °F (Jun 9, 2:54 pm) 97% (May 27, 6:54 am) 30.33 "Hg (May 27, 6:54 am)
Low 52 °F (Jun 3, 5:54 am) 22% (Jun 2, 4:54 pm) 29.85 "Hg (Jun 6, 6:54 pm)
Average 73 °F 63% 30.01 "Hg
* Reported May 25 10:54 pm — Jun 9 10:54 pm, Decatur. Weather by CustomWeather, © 2026

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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  Conditions Comfort    
Time   Temp Weather Wind   Humidity Barometer Visibility
10:54 pm
Tue, Jun 9
77 °F Clear. 5 mph 85% 29.88 "Hg 9 mi
9:54 pm 77 °F Clear. 5 mph 85% 29.87 "Hg 9 mi
8:54 pm 83 °F Passing clouds. 3 mph 68% 29.85 "Hg 10 mi
7:54 pm 84 °F Sunny. 6 mph 63% 29.87 "Hg 10 mi
6:54 pm 86 °F Sunny. 8 mph 59% 29.86 "Hg 10 mi
5:54 pm 87 °F Sunny. 16 mph 55% 29.87 "Hg 10 mi
4:54 pm 87 °F Scattered clouds. 15 mph 61% 29.88 "Hg 10 mi
3:54 pm 88 °F Partly sunny. 14 mph 54% 29.88 "Hg 10 mi
2:54 pm 89 °F Sunny. 9 mph 55% 29.88 "Hg 10 mi
1:54 pm 87 °F Passing clouds. 18 mph 65% 29.90 "Hg 10 mi
12:54 pm 86 °F Broken clouds. 15 mph 70% 29.94 "Hg 9 mi
11:54 am 86 °F Broken clouds. 10 mph 72% 29.95 "Hg 9 mi
11:36 am 86 °F Broken clouds. 10 mph 72% 29.97 "Hg 9 mi
10:54 am 85 °F Passing clouds. 10 mph 72% 29.96 "Hg 9 mi
9:54 am 82 °F Sunny. 9 mph 77% 29.92 "Hg 9 mi
8:54 am 80 °F Sunny. 8 mph 79% 29.94 "Hg 9 mi
7:54 am 76 °F Sunny. 9 mph 88% 29.96 "Hg 8 mi
6:54 am 75 °F Partly sunny. 8 mph 90% 29.97 "Hg 7 mi
5:54 am 73 °F Fog. 7 mph 94% 29.96 "Hg 6 mi
4:54 am 72 °F Passing clouds. N/A 97% 29.96 "Hg 7 mi
3:54 am 73 °F Clear. N/A 94% 29.96 "Hg 7 mi
2:54 am 73 °F Overcast. N/A 94% 29.96 "Hg 8 mi
1:54 am 73 °F Mostly cloudy. N/A 94% 29.96 "Hg 9 mi
12:54 am 73 °F Overcast. N/A 90% 29.96 "Hg 10 mi
Weather by CustomWeather, © 2026

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