Monthly Historical AveragesHartland, WI
Average Temperature
High
-4°
Feels -8
Low
-11°
Feels -18
Average Precipitation
3 Days
0mm
10.7cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, January 8, 2026
Day
11°Feels 9
Wind
21 km/h S
Gust
41 km/h
Humidity
75%
P.O.P
80%
Rain
10-15 mm
Night
3°Feels -3
Wind
39 km/h SE
Gust
59 km/h
Humidity
100%
P.O.P
90%
Rain
5-10 mm
Historical AveragesJan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity