Monthly Historical AveragesHarness, IL
Average Temperature
High
18°
Feels 18
Low
6°
Feels 4
Average Precipitation
10 Days
74.3mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 5, 2026
Day
12°Feels 10
Wind
24 km/h NW
Gust
35 km/h
Humidity
41%
P.O.P
0%
Night
5°Feels 1
Wind
18 km/h SW
Gust
28 km/h
Humidity
78%
P.O.P
0%
Historical AveragesApr 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity