S
M
T
W
T
F
S
26
N/A
27
96°
74°
28
98°
75°
29
94°
74°
30
94°
70°
31
90°
69°
1
83°
70°
2
82°
71°
3
84°
69°
4
88°
69°
5
89°
71°
6
89°
69°
7
88°
70°
8
92°
71°
9
88°
71°
10
88°
72°
11
88°
72°
12
89°
71°
13
89°
72°
14
90°
72°
15
91°
71°
16
91°
72°
17
90°
72°
18
88°
71°
19
91°
72°
20
92°
72°
21
89°
71°
22
88°
70°
23
91°
71°
24
92°
71°
25
93°
72°
26
93°
72°
27
92°
71°
28
92°
71°
29
91°
70°
30
92°
71°
31
92°
71°
1
91°
70°
2
92°
71°
3
92°
71°
4
91°
70°
5
91°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Alberta
Alberta's August 2026 forecast shows daily high temperatures ranging from 82° to 98°, with overnight lows between 69° and 75°. The average high for August is 90° with an average low of 71°. 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 Alberta. See also: September | October | November.
