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°
32°
3
64°
47°
4
77°
52°
5
52°
44°
6
48°
37°
7
52°
35°
8
69°
34°
9
69°
48°
10
57°
37°
11
45°
39°
12
70°
35°
13
54°
47°
14
68°
42°
15
77°
50°
16
82°
51°
17
61°
50°
18
81°
65°
19
73°
45°
20
54°
43°
21
52°
43°
22
61°
51°
23
63°
50°
24
73°
54°
25
82°
63°
26
86°
59°
27
77°
50°
28
64°
45°
29
79°
51°
30
67°
49°
31
73°
50°
1
74°
49°
2
74°
48°
3
81°
56°
4
80°
63°
5
79°
59°
6
72°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brookfield
Brookfield's May 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 48° and 63°. The average high for May is 75° with an average low of 54°. 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 Brookfield. See also: June | July | August.