Monthly Historical AveragesHartland, WI
Average Temperature
High
6°
Feels 4
Low
-4°
Feels -7
Average Precipitation
7 Days
24.3mm
8.7cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, March 29, 2026
Day
15°Feels 13
Wind
25 km/h SW
Gust
38 km/h
Humidity
39%
P.O.P
30%
Night
6°Feels 3
Wind
19 km/h SW
Gust
29 km/h
Humidity
93%
P.O.P
20%
Historical AveragesMar 29
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity