S
M
T
W
T
F
S
26
55°
37°
27
60°
40°
28
49°
38°
29
50°
35°
30
49°
36°
1
48°
33°
2
51°
35°
3
51°
37°
4
52°
36°
5
52°
34°
6
55°
36°
7
51°
36°
8
51°
35°
9
53°
43°
10
53°
43°
11
54°
42°
12
54°
42°
13
62°
41°
14
55°
40°
15
55°
39°
16
56°
39°
17
60°
46°
18
66°
41°
19
63°
36°
20
55°
36°
21
57°
39°
22
58°
41°
23
59°
45°
24
62°
48°
25
68°
48°
26
63°
45°
27
60°
42°
28
60°
45°
29
61°
45°
30
63°
50°
31
63°
49°
1
65°
43°
2
65°
43°
3
68°
41°
4
69°
43°
5
68°
42°
6
67°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sudbury
Sudbury's May 2026 forecast shows daily high temperatures ranging from 48° to 69°, with overnight lows between 33° and 50°. The average high for May is 58° 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 Sudbury. See also: June | July | August.
