S
M
T
W
T
F
S
26
71°
48°
27
74°
54°
28
79°
54°
29
77°
52°
30
72°
47°
31
73°
47°
1
77°
48°
2
74°
44°
3
71°
45°
4
72°
46°
5
71°
47°
6
73°
51°
7
78°
50°
8
78°
53°
9
77°
49°
10
75°
52°
11
77°
46°
12
71°
48°
13
73°
49°
14
73°
51°
15
76°
44°
16
69°
43°
17
68°
49°
18
71°
50°
19
76°
45°
20
71°
50°
21
75°
51°
22
74°
51°
23
75°
48°
24
71°
42°
25
65°
41°
26
65°
41°
27
66°
44°
28
66°
46°
29
67°
45°
30
64°
46°
31
63°
45°
1
Hist. Avg.
67°
43°
2
Hist. Avg.
67°
43°
3
Hist. Avg.
66°
42°
4
Hist. Avg.
66°
42°
5
Hist. Avg.
66°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shellbrook
Shellbrook's August 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 41° and 54°. The average high for August is 72° 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 Shellbrook. See also: September | October | November.