S
M
T
W
T
F
S
26
85°
57°
27
84°
55°
28
86°
55°
29
81°
51°
30
81°
55°
31
88°
57°
1
93°
56°
2
74°
47°
3
67°
47°
4
74°
49°
5
79°
53°
6
78°
56°
7
76°
55°
8
77°
53°
9
80°
56°
10
75°
54°
11
72°
43°
12
68°
49°
13
76°
53°
14
78°
54°
15
70°
53°
16
76°
53°
17
77°
52°
18
77°
54°
19
76°
55°
20
76°
54°
21
73°
54°
22
69°
53°
23
71°
53°
24
69°
52°
25
75°
53°
26
75°
52°
27
76°
53°
28
75°
52°
29
71°
51°
30
66°
50°
31
71°
50°
1
70°
49°
2
73°
51°
3
73°
51°
4
72°
50°
5
73°
50°
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 66° to 93°, with overnight lows between 43° and 57°. The average high for August is 75° with an average low of 52°. 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.
