Monthly Historical AveragesJohnsburg, IL
Average Temperature
High
-2°
Feels -6
Low
-10°
Feels -17
Average Precipitation
5 Days
0mm
19.4cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, January 8, 2026
Day
11°Feels 8
Wind
30 km/h S
Gust
45 km/h
Humidity
71%
P.O.P
90%
Rain
~5 mm
Night
4°Feels -2
Wind
40 km/h S
Gust
60 km/h
Humidity
99%
P.O.P
80%
Rain
~1 mm
Historical AveragesJan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity