S
M
T
W
T
F
S
26
73°
52°
27
79°
52°
28
79°
50°
29
75°
46°
30
71°
51°
31
76°
53°
1
78°
52°
2
75°
52°
3
78°
53°
4
78°
52°
5
79°
55°
6
79°
51°
7
73°
47°
8
71°
52°
9
77°
51°
10
78°
50°
11
78°
47°
12
76°
44°
13
69°
51°
14
77°
49°
15
75°
44°
16
71°
47°
17
74°
51°
18
76°
43°
19
71°
45°
20
71°
41°
21
68°
43°
22
70°
46°
23
76°
51°
24
75°
42°
25
71°
39°
26
65°
40°
27
64°
40°
28
65°
39°
29
64°
40°
30
65°
39°
31
65°
42°
1
66°
42°
2
65°
43°
3
65°
45°
4
68°
38°
5
64°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in South Calgary
South Calgary's August 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 36° and 55°. The average high for August is 72° with an average low of 46°. 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 South Calgary. See also: September | October | November.
