Monthly Historical AveragesWatertown, SD
Average Temperature
High
19°
Feels 19
Low
8°
Feels 5
Average Precipitation
11 Days
89.4mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, May 28, 2026
Day
31°Feels 31
Wind
22 km/h SE
Gust
33 km/h
Humidity
36%
P.O.P
20%
Night
17°Feels 17
Wind
20 km/h S
Gust
30 km/h
Humidity
83%
P.O.P
30%
Historical AveragesMay 28
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity