S
M
T
W
T
F
S
27
58°
56°
28
56°
54°
29
66°
54°
30
70°
56°
1
76°
56°
2
85°
65°
3
70°
45°
4
64°
40°
5
70°
44°
6
61°
39°
7
66°
32°
8
71°
45°
9
67°
40°
10
64°
39°
11
63°
52°
12
66°
48°
13
70°
44°
14
61°
36°
15
62°
40°
16
66°
47°
17
67°
40°
18
61°
39°
19
64°
38°
20
65°
41°
21
66°
36°
22
57°
41°
23
58°
33°
24
56°
31°
25
56°
40°
26
63°
40°
27
63°
30°
28
54°
29°
29
54°
29°
30
55°
37°
31
59°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Sudbury
Sudbury's October 2026 forecast shows daily high temperatures ranging from 54° to 71°, with overnight lows between 29° and 52°. The average high for October is 62° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Sudbury. See also: November | December | January.