S
M
T
W
T
F
S
26
65°
33°
27
72°
35°
28
57°
36°
29
46°
32°
30
44°
33°
1
42°
28°
2
45°
29°
3
48°
37°
4
55°
40°
5
53°
31°
6
50°
32°
7
48°
34°
8
46°
35°
9
48°
36°
10
50°
34°
11
55°
37°
12
56°
38°
13
56°
39°
14
55°
40°
15
55°
38°
16
56°
40°
17
57°
43°
18
57°
46°
19
58°
43°
20
60°
44°
21
61°
45°
22
59°
42°
23
57°
44°
24
59°
43°
25
59°
42°
26
60°
46°
27
59°
48°
28
61°
47°
29
61°
44°
30
62°
45°
31
61°
41°
1
60°
43°
2
61°
44°
3
63°
43°
4
62°
45°
5
63°
51°
6
63°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Greater Sudbury
Greater Sudbury's May 2026 forecast shows daily high temperatures ranging from 42° to 63°, with overnight lows between 28° and 51°. The average high for May is 56° with an average low of 41°. 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 Greater Sudbury. See also: June | July | August.
