Monthly Historical AveragesWesterville, SD
Average Temperature
High
-2°
Feels -7
Low
-12°
Feels -20
Average Precipitation
5 Days
0mm
23.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, January 8, 2026
Day
6°Feels 1
Wind
30 km/h N
Gust
45 km/h
Humidity
56%
P.O.P
40%
Rain
<1 mm
Night
-5°Feels -11
Wind
27 km/h N
Gust
41 km/h
Humidity
74%
P.O.P
30%
Historical AveragesJan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity