S
M
T
W
T
F
S
26
61°
54°
27
63°
55°
28
64°
55°
29
63°
55°
30
59°
52°
31
61°
52°
1
63°
51°
2
64°
47°
3
61°
55°
4
62°
55°
5
61°
52°
6
62°
50°
7
62°
49°
8
63°
54°
9
63°
54°
10
64°
56°
11
64°
55°
12
63°
56°
13
64°
55°
14
65°
56°
15
62°
56°
16
64°
55°
17
62°
53°
18
60°
52°
19
60°
51°
20
61°
51°
21
59°
52°
22
59°
52°
23
61°
55°
24
63°
55°
25
63°
54°
26
62°
55°
27
60°
55°
28
63°
56°
29
64°
54°
30
63°
55°
31
60°
54°
1
61°
52°
2
60°
54°
3
60°
54°
4
61°
53°
5
60°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Calgary
Calgary's August 2026 forecast shows daily high temperatures ranging from 59° to 65°, with overnight lows between 47° and 56°. The average high for August is 62° with an average low of 54°. 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 Calgary. See also: September | October | November.
