S
M
T
W
T
F
S
26
84°
52°
27
82°
53°
28
80°
51°
29
75°
49°
30
74°
50°
31
73°
48°
1
74°
49°
2
73°
49°
3
74°
51°
4
74°
57°
5
82°
54°
6
Hist. Avg.
76°
55°
7
Hist. Avg.
76°
55°
8
Hist. Avg.
76°
54°
9
Hist. Avg.
76°
54°
10
Hist. Avg.
76°
54°
11
Hist. Avg.
76°
54°
12
Hist. Avg.
76°
54°
13
Hist. Avg.
76°
54°
14
Hist. Avg.
76°
54°
15
Hist. Avg.
75°
54°
16
Hist. Avg.
75°
54°
17
Hist. Avg.
75°
54°
18
Hist. Avg.
75°
54°
19
Hist. Avg.
75°
54°
20
Hist. Avg.
75°
53°
21
Hist. Avg.
75°
53°
22
Hist. Avg.
75°
53°
23
Hist. Avg.
75°
53°
24
Hist. Avg.
75°
53°
25
Hist. Avg.
74°
53°
26
Hist. Avg.
74°
53°
27
Hist. Avg.
74°
52°
28
Hist. Avg.
74°
52°
29
Hist. Avg.
74°
52°
30
Hist. Avg.
74°
52°
31
Hist. Avg.
73°
52°
1
Hist. Avg.
73°
52°
2
Hist. Avg.
73°
51°
3
Hist. Avg.
73°
51°
4
Hist. Avg.
73°
51°
5
Hist. Avg.
72°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Chilliwack
Chilliwack's August 2026 forecast shows daily high temperatures ranging from 73° to 84°, with overnight lows between 48° and 57°. The average high for August is 77° with an average low of 51°. 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 Chilliwack. See also: September | October | November.
