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

Currently: 26 °F. Light snow. Mostly cloudy. (Weather station: De Kalb Taylor Municipal Airport, USA). See more current weather

Past Weather in DeKalb — Graph

°F
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DeKalb Temperature Yesterday

Maximum temperature yesterday: 19 °F (at 3:55 pm)
Minimum temperature yesterday: 1 °F (at 4:35 am)
Average temperature yesterday: 9 °F

High & Low Weather Summary for the Past Weeks

 TemperatureHumidityPressure
High58 °F (Jan 8, 11:35 pm)100% (Jan 6, 5:35 pm)30.39 "Hg (Jan 6, 5:35 pm)
Low-4 °F (Jan 19, 7:55 am)54% (Jan 20, 1:55 pm)29.37 "Hg (Jan 8, 8:35 pm)
Average26 °F81%29.93 "Hg
* Reported Jan 6 5:15 pm — Jan 21 5:15 pm, 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
5:15 pm
Wed, Jan 21		28 °FLight snow. Overcast.N/A↑69%29.91 "Hg10 mi
4:55 pm27 °FPassing clouds.N/A↑70%29.90 "Hg10 mi
4:35 pm27 °FScattered clouds.N/A↑67%29.89 "Hg10 mi
4:15 pm28 °FScattered clouds.N/A↑66%29.89 "Hg10 mi
3:55 pm28 °FSunny.N/A↑68%29.89 "Hg10 mi
3:35 pm27 °FBroken clouds.N/A↑70%29.89 "Hg10 mi
3:15 pm27 °FOvercast.N/A↑72%29.90 "Hg10 mi
2:55 pm26 °FLight snow. Overcast.N/A↑75%29.90 "Hg10 mi
2:35 pm25 °FOvercast.N/A↑76%29.91 "Hg10 mi
2:15 pm24 °FMore clouds than sun.N/A↑76%29.91 "Hg10 mi
1:55 pm24 °FMore clouds than sun.N/A↑79%29.91 "Hg10 mi
1:35 pm23 °FMostly cloudy.N/A↑78%29.91 "Hg10 mi
12:55 pm23 °FOvercast.N/A↑82%29.92 "Hg10 mi
12:35 pm24 °FOvercast.N/A↑82%29.92 "Hg10 mi
11:55 am24 °FOvercast.N/A↑82%29.93 "Hg10 mi
11:35 am24 °FOvercast.N/A↑82%29.93 "Hg10 mi
11:15 am25 °FOvercast.N/A↑80%29.94 "Hg10 mi
10:55 am25 °FOvercast.N/A↑79%29.94 "Hg10 mi
10:35 am25 °FPartly sunny.N/A↑79%29.94 "Hg10 mi
10:15 am25 °FMore clouds than sun.N/A↑82%29.94 "Hg10 mi
9:55 am24 °FMore clouds than sun.N/A↑84%29.94 "Hg10 mi
9:35 am24 °FOvercast.N/A↑81%29.94 "Hg10 mi
9:15 am24 °FPartly sunny.N/A↑79%29.93 "Hg10 mi
8:55 am22 °FSunny.N/A↑81%29.91 "Hg10 mi
8:35 am22 °FSunny.N/A↑83%29.91 "Hg10 mi
7:55 am24 °FScattered clouds.N/A↑90%29.90 "Hg10 mi
7:35 am24 °FPartly sunny.N/A↑90%29.89 "Hg10 mi
7:15 am25 °FOvercast.N/A↑91%29.89 "Hg10 mi
6:55 am25 °FMostly cloudy.N/A↑91%29.90 "Hg10 mi
6:35 am25 °FLight snow. Mostly cloudy.N/A↑89%29.90 "Hg4 mi
6:15 am26 °FLight snow. Overcast.N/A↑82%29.90 "Hg3 mi
5:55 am28 °FLight snow. Overcast.N/A↑66%29.91 "Hg7 mi
5:35 am24 °FOvercast.N/A↑80%29.91 "Hg10 mi
5:15 am24 °FOvercast.N/A↑79%29.91 "Hg10 mi
4:55 am24 °FOvercast.N/A↑77%29.92 "Hg10 mi
4:35 am24 °FMostly cloudy.N/A↑74%29.91 "Hg10 mi
4:15 am24 °FOvercast.N/A↑73%29.93 "Hg10 mi
3:55 am24 °FMostly cloudy.N/A↑72%29.93 "Hg10 mi
3:35 am24 °FOvercast.N/A↑72%29.94 "Hg10 mi
3:15 am24 °FOvercast.N/A↑70%29.96 "Hg10 mi
Weather by CustomWeather, © 2026
Jan 21Jan 20Jan 19Jan 18Jan 17Jan 16Jan 15Jan 14Jan 13Jan 12Jan 11Jan 10Jan 9Jan 8Jan 7Jan 6

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