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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Watertown, WI
Content continues below
May
Average Temperature
High
20°
Feels 20
Low
9°
Feels 8
Average Precipitation
10 Days
Rain amount
58.6mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
11°
7
13°
8
16°
9
20°
10
14°
11
12°
12
15°
13
20°
14
20°
15
19°
16
18°
17
18°
18
20°
19
16°
20
16°
21
22
23
24
25
26
27
28
29
30
31
Forecast
Wednesday, May 6, 2026
Day
11°
Feels 9
Wind
24 km/h NW
Gust
36 km/h
Humidity
35%
P.O.P
20%
Night
1°
Feels -2
Wind
21 km/h W
Gust
32 km/h
Humidity
80%
P.O.P
20%
Historical Averages
May 6
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.