S
M
T
W
T
F
S
26
70°
47°
27
70°
46°
28
71°
46°
29
75°
54°
30
79°
51°
31
79°
50°
1
78°
52°
2
79°
46°
3
74°
49°
4
77°
53°
5
79°
53°
6
80°
52°
7
78°
53°
8
80°
53°
9
79°
52°
10
79°
50°
11
78°
45°
12
74°
52°
13
78°
53°
14
78°
52°
15
75°
51°
16
77°
52°
17
78°
47°
18
78°
44°
19
70°
46°
20
69°
45°
21
68°
40°
22
65°
43°
23
68°
47°
24
73°
44°
25
74°
48°
26
Hist. Avg.
70°
45°
27
Hist. Avg.
69°
44°
28
Hist. Avg.
69°
44°
29
Hist. Avg.
69°
44°
30
Hist. Avg.
68°
44°
31
Hist. Avg.
68°
43°
1
Hist. Avg.
68°
43°
2
Hist. Avg.
68°
43°
3
Hist. Avg.
67°
43°
4
Hist. Avg.
67°
42°
5
Hist. Avg.
67°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Calgary
Calgary's August 2026 forecast shows daily high temperatures ranging from 65° to 80°, with overnight lows between 40° and 54°. The average high for August is 75° with an average low of 49°. 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.
