S
M
T
W
T
F
S
26
75°
51°
27
71°
49°
28
71°
47°
29
72°
46°
30
73°
47°
31
77°
46°
1
76°
47°
2
76°
53°
3
75°
48°
4
71°
46°
5
74°
50°
6
Hist. Avg.
73°
48°
7
Hist. Avg.
73°
48°
8
Hist. Avg.
73°
48°
9
Hist. Avg.
73°
48°
10
Hist. Avg.
73°
48°
11
Hist. Avg.
73°
48°
12
Hist. Avg.
73°
48°
13
Hist. Avg.
73°
48°
14
Hist. Avg.
73°
48°
15
Hist. Avg.
73°
48°
16
Hist. Avg.
72°
47°
17
Hist. Avg.
72°
47°
18
Hist. Avg.
72°
47°
19
Hist. Avg.
72°
47°
20
Hist. Avg.
71°
46°
21
Hist. Avg.
71°
46°
22
Hist. Avg.
71°
46°
23
Hist. Avg.
70°
46°
24
Hist. Avg.
70°
45°
25
Hist. Avg.
70°
45°
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 71° to 77°, with overnight lows between 46° and 53°. The average high for August is 74° with an average low of 48°. 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.
