S
M
T
W
T
F
S
26
85°
57°
27
84°
55°
28
86°
55°
29
81°
54°
30
79°
51°
31
86°
56°
1
94°
55°
2
71°
47°
3
69°
47°
4
77°
48°
5
79°
56°
6
65°
53°
7
76°
47°
8
76°
51°
9
73°
51°
10
68°
56°
11
63°
53°
12
60°
52°
13
53°
50°
14
58°
49°
15
74°
44°
16
75°
54°
17
75°
51°
18
82°
58°
19
82°
53°
20
74°
54°
21
80°
58°
22
81°
57°
23
79°
51°
24
75°
54°
25
78°
54°
26
77°
54°
27
73°
52°
28
74°
50°
29
70°
51°
30
63°
47°
31
67°
49°
1
71°
50°
2
73°
50°
3
73°
49°
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 63° to 82°, with overnight lows between 47° and 58°. 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.
