S
M
T
W
T
F
S
26
76°
57°
27
77°
58°
28
76°
56°
29
67°
52°
30
69°
56°
31
74°
57°
1
71°
56°
2
75°
56°
3
72°
51°
4
72°
49°
5
72°
51°
6
73°
56°
7
76°
54°
8
71°
53°
9
71°
55°
10
67°
46°
11
68°
48°
12
68°
52°
13
70°
51°
14
65°
45°
15
67°
49°
16
72°
54°
17
73°
53°
18
74°
52°
19
75°
52°
20
74°
49°
21
69°
47°
22
64°
47°
23
64°
44°
24
62°
49°
25
67°
52°
26
70°
53°
27
71°
46°
28
64°
40°
29
62°
45°
30
63°
43°
31
67°
50°
1
71°
50°
2
70°
51°
3
71°
51°
4
70°
47°
5
69°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Stony Plain
Stony Plain's August 2026 forecast shows daily high temperatures ranging from 62° to 77°, with overnight lows between 40° and 58°. The average high for August is 70° with an average low of 51°. 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 Stony Plain. See also: September | October | November.