S
M
T
W
T
F
S
26
60°
48°
27
67°
50°
28
68°
49°
29
61°
49°
30
60°
50°
31
60°
49°
1
59°
48°
2
59°
48°
3
62°
50°
4
67°
50°
5
67°
49°
6
64°
49°
7
66°
51°
8
67°
50°
9
67°
50°
10
66°
49°
11
67°
50°
12
63°
50°
13
60°
48°
14
64°
45°
15
59°
42°
16
63°
48°
17
62°
49°
18
66°
44°
19
63°
43°
20
56°
42°
21
56°
44°
22
57°
49°
23
65°
41°
24
61°
41°
25
54°
40°
26
56°
39°
27
59°
39°
28
55°
37°
29
53°
42°
30
54°
41°
31
55°
36°
1
57°
41°
2
58°
46°
3
62°
47°
4
62°
47°
5
62°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Chisasibi
Chisasibi's August 2026 forecast shows daily high temperatures ranging from 53° to 68°, with overnight lows between 36° and 51°. The average high for August is 61° with an average low of 46°. 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 Chisasibi. See also: September | October | November.