Monthly Historical AveragesDe Kalb, IL
Average Temperature
High
-3°
Feels -7
Low
-11°
Feels -17
Average Precipitation
4 Days
1.9mm
13.7cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, January 31, 2026
Day
-7°Feels -14
Wind
23 km/h N
Gust
35 km/h
Humidity
73%
P.O.P
20%
Night
-16°Feels -22
Wind
11 km/h N
Gust
17 km/h
Humidity
92%
P.O.P
10%
Historical AveragesJan 31
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity