S
M
T
W
T
F
S
26
66°
42°
27
64°
45°
28
62°
46°
29
73°
42°
30
82°
54°
31
80°
48°
1
68°
46°
2
73°
47°
3
76°
53°
4
79°
50°
5
74°
55°
6
81°
57°
7
85°
61°
8
69°
56°
9
71°
56°
10
71°
52°
11
66°
48°
12
61°
48°
13
63°
47°
14
60°
47°
15
59°
50°
16
60°
48°
17
60°
51°
18
55°
44°
19
50°
44°
20
55°
45°
21
60°
50°
22
61°
51°
23
65°
50°
24
62°
50°
25
60°
45°
26
62°
45°
27
61°
46°
28
62°
43°
29
61°
48°
30
60°
47°
31
54°
48°
1
59°
47°
2
61°
47°
3
59°
46°
4
61°
43°
5
53°
42°
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 50° to 65°, with overnight lows between 42° and 51°. The average high for August is 59° with an average low of 47°. 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.