S
M
T
W
T
F
S
26
81°
62°
27
81°
62°
28
80°
61°
29
80°
61°
30
79°
60°
31
76°
61°
1
76°
61°
2
80°
60°
3
79°
61°
4
78°
60°
5
72°
59°
6
74°
60°
7
77°
61°
8
79°
60°
9
78°
60°
10
78°
61°
11
77°
60°
12
78°
61°
13
78°
60°
14
77°
59°
15
71°
58°
16
72°
59°
17
72°
59°
18
75°
58°
19
76°
59°
20
76°
59°
21
70°
49°
22
67°
49°
23
68°
50°
24
70°
56°
25
68°
48°
26
69°
49°
27
68°
51°
28
67°
55°
29
67°
53°
30
71°
47°
31
69°
52°
1
71°
56°
2
69°
53°
3
73°
54°
4
70°
49°
5
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Greater Sudbury
Greater Sudbury's August 2026 forecast shows daily high temperatures ranging from 67° to 81°, with overnight lows between 47° and 62°. The average high for August is 74° with an average low of 57°. 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 Greater Sudbury. See also: September | October | November.
