S
M
T
W
T
F
S
26
52°
41°
27
63°
41°
28
64°
50°
29
52°
36°
30
46°
32°
1
41°
30°
2
45°
16°
3
64°
-13°
4
77°
10°
5
52°
9°
6
54°
35°
7
57°
36°
8
64°
46°
9
71°
43°
10
57°
37°
11
57°
41°
12
52°
43°
13
64°
46°
14
63°
48°
15
70°
50°
16
63°
47°
17
61°
49°
18
65°
48°
19
68°
48°
20
63°
44°
21
62°
45°
22
62°
45°
23
63°
48°
24
64°
48°
25
65°
49°
26
65°
48°
27
68°
47°
28
69°
49°
29
71°
54°
30
75°
55°
31
76°
57°
1
75°
54°
2
70°
56°
3
77°
58°
4
78°
59°
5
78°
57°
6
69°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wauwatosa
Wauwatosa's May 2026 forecast shows daily high temperatures ranging from 52° to 78°, with overnight lows between 35° and 59°. The average high for May is 66° 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 Wauwatosa. See also: June | July | August.
