Monthly Historical AveragesWestport, SD
Average Temperature
High
-6°
Feels -11
Low
-16°
Feels -23
Average Precipitation
5 Days
0mm
24.4cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, January 7, 2026
Day
4°Feels 1
Wind
12 km/h S
Gust
18 km/h
Humidity
70%
P.O.P
30%
Night
-2°Feels -8
Wind
21 km/h N
Gust
32 km/h
Humidity
86%
P.O.P
30%
Historical AveragesJan 7
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity