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

Currently: 49 °F. Overcast. (Weather station: De Kalb Taylor Municipal Airport, USA). See more current weather

Past Weather in DeKalb — Graph

°F

DeKalb Temperature Yesterday

Maximum temperature yesterday: 70 °F (at 2:55 pm)
Minimum temperature yesterday: 38 °F (at 12:55 am)
Average temperature yesterday: 54 °F

High & Low Weather Summary for the Past Weeks

 TemperatureHumidityPressure
High70 °F (Mar 20, 2:55 pm)96% (Mar 18, 4:15 am)30.21 "Hg (Mar 18, 4:15 am)
Low17 °F (Mar 17, 12:55 pm)47% (Mar 20, 2:15 pm)29.79 "Hg (Mar 20, 7:35 am)
Average41 °F75%30.00 "Hg
* Reported Mar 17 12:35 pm — Mar 21 9:35 am, DeKalb. 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

DeKalb Weather History for the Previous 24 Hours

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 ConditionsComfort  
Time TempWeatherWind HumidityBarometerVisibility
9:35 am
Sat, Mar 21
48 °FPartly sunny.13 mph80%29.93 "Hg10 mi
9:15 am48 °FPartly sunny.12 mph79%29.92 "Hg7 mi
8:55 am46 °FSunny.13 mph80%29.93 "Hg7 mi
8:35 am45 °FSunny.12 mph81%29.94 "Hg7 mi
8:15 am44 °FSunny.9 mph82%29.94 "Hg7 mi
7:55 am44 °FSunny.8 mph83%29.94 "Hg7 mi
7:35 am44 °FSunny.8 mph81%29.93 "Hg7 mi
7:15 am43 °FSunny.8 mph83%29.93 "Hg7 mi
6:55 am44 °FClear.7 mph79%29.93 "Hg10 mi
6:35 am44 °FClear.8 mph79%29.93 "Hg10 mi
6:15 am43 °FClear.6 mph81%29.93 "Hg7 mi
5:55 am43 °FClear.6 mph83%29.93 "Hg7 mi
5:35 am42 °FClear.5 mph85%29.93 "Hg7 mi
5:15 am42 °FFog.3 mph86%29.94 "Hg5 mi
4:55 am42 °FClear.No wind85%29.94 "Hg7 mi
4:35 am42 °FClear.5 mph85%29.94 "Hg7 mi
4:15 am42 °FClear.5 mph85%29.95 "Hg7 mi
3:55 am42 °FClear.3 mph85%29.96 "Hg7 mi
3:35 am43 °FClear.5 mph84%29.96 "Hg7 mi
3:15 am43 °FClear.6 mph85%29.96 "Hg7 mi
2:55 am42 °FClear.No wind85%29.96 "Hg7 mi
2:35 am43 °FClear.3 mph85%29.96 "Hg7 mi
2:15 am43 °FClear.3 mph87%29.95 "Hg7 mi
1:55 am42 °FClear.5 mph88%29.95 "Hg7 mi
1:35 am43 °FClear.5 mph87%29.95 "Hg7 mi
1:15 am44 °FClear.5 mph85%29.96 "Hg7 mi
12:55 am44 °FClear.5 mph84%29.96 "Hg10 mi
12:35 am44 °FClear.5 mph85%29.96 "Hg10 mi
11:55 pm
Fri, Mar 20
43 °FClear.5 mph89%29.98 "Hg7 mi
11:35 pm44 °FClear.3 mph84%29.98 "Hg10 mi
11:15 pm45 °FClear.5 mph82%29.97 "Hg10 mi
10:55 pm46 °FClear.5 mph83%29.97 "Hg10 mi
10:35 pm46 °FClear.6 mph83%29.96 "Hg10 mi
10:15 pm47 °FClear.6 mph80%29.96 "Hg10 mi
9:55 pm47 °FClear.7 mph80%29.95 "Hg10 mi
9:35 pm48 °FClear.6 mph80%29.96 "Hg10 mi
9:15 pm49 °FClear.8 mph77%29.95 "Hg10 mi
8:55 pm50 °FClear.9 mph74%29.95 "Hg10 mi
8:35 pm52 °FClear.8 mph75%29.94 "Hg10 mi
7:55 pm54 °FClear.6 mph75%29.92 "Hg10 mi
7:35 pm56 °FClear.7 mph71%29.91 "Hg10 mi
7:15 pm58 °FClear.9 mph67%29.90 "Hg10 mi
6:55 pm58 °FSunny.9 mph70%29.89 "Hg10 mi
6:35 pm60 °FSunny.8 mph66%29.89 "Hg10 mi
5:55 pm62 °FSunny.13 mph65%29.87 "Hg10 mi
5:35 pm64 °FSunny.13 mph60%29.87 "Hg10 mi
5:15 pm65 °FSunny.10 mph56%29.85 "Hg10 mi
4:55 pm66 °FSunny.13 mph53%29.85 "Hg10 mi
4:35 pm68 °FSunny.10 mph53%29.84 "Hg10 mi
3:55 pm70 °FSunny.10 mph50%29.83 "Hg10 mi
3:35 pm70 °FSunny.10 mph48%29.82 "Hg10 mi
3:15 pm70 °FSunny.12 mph47%29.82 "Hg10 mi
2:55 pm70 °FSunny.13 mph47%29.82 "Hg10 mi
2:35 pm70 °FSunny.13 mph47%29.82 "Hg10 mi
2:15 pm70 °FSunny.10 mph47%29.81 "Hg10 mi
1:55 pm70 °FSunny.10 mph50%29.80 "Hg10 mi
1:35 pm69 °FSunny.10 mph52%29.81 "Hg10 mi
1:15 pm68 °FSunny.14 mph53%29.81 "Hg10 mi
12:55 pm66 °FSunny.10 mph54%29.81 "Hg10 mi
12:35 pm65 °FSunny.10 mph55%29.81 "Hg10 mi
12:15 pm64 °FSunny.12 mph55%29.81 "Hg10 mi
11:55 am63 °FSunny.10 mph57%29.82 "Hg10 mi
11:35 am63 °FSunny.12 mph56%29.81 "Hg10 mi
10:55 am62 °FSunny.16 mph57%29.81 "Hg10 mi
10:35 am61 °FSunny.16 mph60%29.81 "Hg10 mi
10:15 am60 °FSunny.15 mph61%29.80 "Hg10 mi
Weather by CustomWeather, © 2026

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