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

Currently: 61 °F. Sunny. (Weather station: Decatur Airport, USA). See more current weather

Past Weather in Decatur — Graph

°F

Decatur Temperature Yesterday

Maximum temperature yesterday: 82 °F (at 3:54 pm)
Minimum temperature yesterday: 45 °F (at 2:54 am)
Average temperature yesterday: 64 °F

High & Low Weather Summary for the Past Weeks

  Temperature Humidity Pressure
High 85 °F (Aug 28, 3:54 pm) 97% (Aug 29, 5:06 am) 30.33 "Hg (Aug 29, 5:06 am)
Low 42 °F (Sep 8, 6:54 am) 26% (Sep 1, 3:54 pm) 29.73 "Hg (Sep 3, 6:54 pm)
Average 66 °F 63% 30.10 "Hg
* Reported Aug 26 7:54 am — Sep 10 7:54 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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  Conditions Comfort    
Time   Temp Weather Wind   Humidity Barometer Visibility
7:54 am
Wed, Sep 10
61 °F Sunny. No wind 75% 30.12 "Hg 10 mi
6:54 am 53 °F Sunny. No wind 86% 30.12 "Hg 10 mi
5:54 am 53 °F Clear. 3 mph 89% 30.10 "Hg 10 mi
4:54 am 56 °F Clear. 5 mph 84% 30.09 "Hg 10 mi
3:54 am 59 °F Clear. No wind 78% 30.09 "Hg 10 mi
2:54 am 60 °F Clear. No wind 78% 30.10 "Hg 10 mi
1:54 am 61 °F Clear. No wind 75% 30.10 "Hg 10 mi
12:54 am 59 °F Clear. No wind 78% 30.10 "Hg 10 mi
11:54 pm
Tue, Sep 9
58 °F Clear. 3 mph 81% 30.10 "Hg 10 mi
10:54 pm 62 °F Clear. 5 mph 73% 30.10 "Hg 10 mi
9:54 pm 68 °F Clear. 6 mph 57% 30.09 "Hg 10 mi
8:54 pm 70 °F Clear. 7 mph 51% 30.08 "Hg 10 mi
7:54 pm 70 °F Clear. 7 mph 55% 30.07 "Hg 10 mi
6:54 pm 74 °F Sunny. 5 mph 46% 30.07 "Hg 10 mi
5:54 pm 77 °F Sunny. 7 mph 40% 30.07 "Hg 10 mi
4:54 pm 80 °F Sunny. 7 mph 31% 30.07 "Hg 10 mi
3:54 pm 82 °F Sunny. 7 mph 28% 30.08 "Hg 10 mi
2:54 pm 80 °F Sunny. 6 mph 28% 30.11 "Hg 10 mi
1:54 pm 78 °F Sunny. 9 mph 33% 30.13 "Hg 10 mi
12:54 pm 77 °F Sunny. 7 mph 33% 30.14 "Hg 10 mi
11:54 am 75 °F Sunny. 6 mph 37% 30.16 "Hg 10 mi
10:54 am 74 °F Sunny. 5 mph 41% 30.16 "Hg 10 mi
9:54 am 69 °F Sunny. 6 mph 51% 30.18 "Hg 10 mi
Weather by CustomWeather, © 2025

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