S
M
T
W
T
F
S
26
61°
44°
27
66°
45°
28
64°
49°
29
55°
41°
30
53°
36°
1
48°
37°
2
58°
34°
3
67°
46°
4
77°
49°
5
57°
43°
6
51°
30°
7
56°
33°
8
63°
41°
9
68°
42°
10
58°
36°
11
56°
40°
12
52°
42°
13
65°
45°
14
67°
49°
15
70°
48°
16
64°
47°
17
64°
49°
18
66°
49°
19
69°
48°
20
64°
44°
21
63°
45°
22
63°
44°
23
64°
47°
24
65°
48°
25
66°
48°
26
66°
47°
27
69°
47°
28
70°
49°
29
73°
53°
30
76°
55°
31
77°
56°
1
76°
53°
2
71°
56°
3
78°
58°
4
79°
59°
5
79°
57°
6
70°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oconomowoc Town
Oconomowoc Town's May 2026 forecast shows daily high temperatures ranging from 51° to 79°, with overnight lows between 30° and 59°. The average high for May is 67° with an average low of 48°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Oconomowoc Town. See also: June | July | August.
