S
M
T
W
T
F
S
26
90°
65°
27
90°
65°
28
89°
64°
29
88°
65°
30
87°
63°
31
82°
61°
1
82°
59°
2
81°
58°
3
82°
61°
4
82°
60°
5
83°
59°
6
82°
60°
7
83°
63°
8
82°
63°
9
82°
62°
10
87°
56°
11
85°
57°
12
88°
60°
13
84°
61°
14
86°
62°
15
89°
61°
16
89°
62°
17
88°
62°
18
89°
61°
19
88°
58°
20
86°
54°
21
82°
54°
22
81°
53°
23
81°
52°
24
82°
54°
25
83°
53°
26
87°
53°
27
87°
54°
28
83°
58°
29
82°
56°
30
82°
54°
31
85°
58°
1
85°
50°
2
86°
51°
3
78°
50°
4
79°
52°
5
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sudbury
Sudbury's August 2026 forecast shows daily high temperatures ranging from 78° to 90°, with overnight lows between 50° and 65°. The average high for August is 84° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Sudbury. See also: September | October | November.
