S
M
T
W
T
F
S
26
63°
34°
27
73°
36°
28
72°
46°
29
71°
50°
30
52°
41°
1
55°
36°
2
52°
36°
3
49°
36°
4
69°
44°
5
78°
55°
6
55°
42°
7
58°
34°
8
53°
32°
9
54°
31°
10
65°
38°
11
56°
31°
12
56°
31°
13
58°
40°
14
57°
47°
15
63°
48°
16
73°
49°
17
79°
52°
18
87°
47°
19
87°
71°
20
80°
56°
21
59°
40°
22
65°
32°
23
67°
38°
24
54°
47°
25
71°
50°
26
83°
59°
27
74°
51°
28
65°
47°
29
65°
47°
30
57°
41°
31
65°
42°
1
66°
44°
2
70°
47°
3
76°
52°
4
77°
52°
5
76°
55°
6
75°
54°
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 57° to 83°, with overnight lows between 41° and 59°. The average high for May is 71° with an average low of 49°. 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.
