S
M
T
W
T
F
S
26
96°
76°
27
97°
75°
28
97°
76°
29
98°
76°
30
98°
73°
31
98°
74°
1
96°
72°
2
93°
70°
3
93°
71°
4
91°
73°
5
92°
71°
6
93°
72°
7
97°
71°
8
97°
72°
9
96°
73°
10
93°
73°
11
94°
74°
12
96°
73°
13
96°
73°
14
95°
72°
15
96°
73°
16
96°
73°
17
95°
72°
18
96°
73°
19
97°
73°
20
97°
72°
21
94°
73°
22
95°
72°
23
96°
73°
24
96°
73°
25
97°
72°
26
97°
73°
27
96°
73°
28
95°
72°
29
95°
72°
30
92°
71°
31
94°
72°
1
95°
72°
2
95°
71°
3
94°
72°
4
95°
72°
5
94°
71°
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 91° to 98°, with overnight lows between 70° and 76°. The average high for August is 95° with an average low of 73°. 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.
