S
M
T
W
T
F
S
26
65°
50°
27
69°
51°
28
68°
49°
29
60°
49°
30
59°
48°
31
59°
49°
1
62°
49°
2
62°
48°
3
67°
51°
4
65°
50°
5
67°
50°
6
66°
48°
7
58°
48°
8
58°
49°
9
62°
50°
10
64°
39°
11
58°
46°
12
61°
49°
13
62°
43°
14
66°
41°
15
57°
49°
16
62°
44°
17
61°
41°
18
57°
39°
19
59°
42°
20
60°
42°
21
55°
43°
22
56°
50°
23
65°
46°
24
65°
44°
25
59°
46°
26
64°
49°
27
65°
47°
28
63°
48°
29
63°
44°
30
62°
42°
31
64°
39°
1
62°
38°
2
53°
42°
3
54°
43°
4
55°
37°
5
54°
37°
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 69°, with overnight lows between 37° and 51°. The average high for August is 61° with an average low of 45°. 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.