S
M
T
W
T
F
S
26
64°
39°
27
68°
45°
28
57°
43°
29
64°
43°
30
68°
41°
1
75°
41°
2
66°
50°
3
63°
50°
4
64°
39°
5
54°
40°
6
51°
37°
7
54°
40°
8
57°
44°
9
62°
49°
10
61°
52°
11
60°
45°
12
61°
47°
13
60°
44°
14
60°
43°
15
58°
43°
16
61°
45°
17
60°
44°
18
59°
43°
19
59°
46°
20
60°
42°
21
59°
42°
22
59°
43°
23
60°
44°
24
62°
48°
25
63°
49°
26
63°
49°
27
64°
47°
28
61°
44°
29
61°
43°
30
62°
46°
31
67°
48°
1
67°
48°
2
66°
50°
3
67°
47°
4
63°
48°
5
64°
49°
6
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Brampton
Brampton's May 2026 forecast shows daily high temperatures ranging from 51° to 68°, with overnight lows between 37° and 52°. The average high for May is 61° with an average low of 45°. 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 Brampton. See also: June | July | August.