S
M
T
W
T
F
S
26
74°
51°
27
70°
55°
28
74°
54°
29
73°
55°
30
72°
55°
31
75°
56°
1
70°
53°
2
68°
50°
3
68°
49°
4
69°
53°
5
67°
53°
6
68°
51°
7
69°
53°
8
68°
53°
9
73°
54°
10
77°
55°
11
74°
54°
12
68°
53°
13
70°
53°
14
76°
54°
15
76°
54°
16
75°
53°
17
77°
55°
18
75°
54°
19
73°
53°
20
71°
52°
21
74°
53°
22
74°
52°
23
71°
52°
24
74°
48°
25
73°
47°
26
69°
49°
27
68°
50°
28
74°
53°
29
76°
48°
30
76°
40°
31
68°
36°
1
59°
39°
2
62°
41°
3
63°
41°
4
70°
47°
5
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shell Lake
Shell Lake's August 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 36° and 56°. The average high for August is 71° 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 Shell Lake. See also: September | October | November.
