S
M
T
W
T
F
S
26
86°
65°
27
85°
63°
28
83°
62°
29
84°
64°
30
83°
63°
31
81°
63°
1
82°
62°
2
82°
63°
3
84°
63°
4
83°
62°
5
79°
62°
6
81°
61°
7
79°
62°
8
78°
61°
9
80°
62°
10
82°
63°
11
82°
61°
12
81°
57°
13
79°
61°
14
82°
62°
15
80°
58°
16
82°
51°
17
73°
50°
18
70°
49°
19
72°
50°
20
73°
52°
21
74°
53°
22
76°
55°
23
76°
59°
24
75°
58°
25
78°
50°
26
72°
49°
27
69°
50°
28
75°
57°
29
79°
60°
30
79°
57°
31
81°
48°
1
71°
49°
2
70°
56°
3
69°
57°
4
76°
48°
5
76°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Cass Lake
Cass Lake's August 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 45° and 65°. The average high for August is 78° with an average low of 57°. 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 Cass Lake. See also: September | October | November.
