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
48°
-8°
7
52°
9°
8
52°
23°
9
50°
5°
10
57°
9°
11
45°
9°
12
70°
18°
13
54°
3°
14
32°
-2°
15
76°
59°
16
84°
50°
17
70°
65°
18
76°
63°
19
72°
45°
20
59°
40°
21
60°
45°
22
66°
49°
23
73°
52°
24
68°
54°
25
70°
54°
26
71°
53°
27
70°
53°
28
72°
49°
29
67°
53°
30
65°
50°
31
65°
48°
1
66°
45°
2
65°
45°
3
66°
48°
4
69°
56°
5
77°
58°
6
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Menomonee Falls
Menomonee Falls's May 2026 forecast shows daily high temperatures ranging from 59° to 84°, with overnight lows between 40° and 65°. The average high for May is 70° with an average low of 52°. 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 Menomonee Falls. See also: June | July | August.
