S
M
T
W
T
F
S
26
92°
64°
27
88°
69°
28
85°
64°
29
93°
68°
30
90°
69°
31
80°
60°
1
84°
58°
2
85°
57°
3
86°
57°
4
72°
50°
5
78°
49°
6
83°
61°
7
75°
54°
8
79°
50°
9
76°
54°
10
76°
51°
11
79°
54°
12
79°
58°
13
79°
56°
14
82°
51°
15
83°
62°
16
77°
55°
17
82°
51°
18
72°
50°
19
75°
46°
20
82°
60°
21
78°
57°
22
73°
54°
23
75°
50°
24
74°
60°
25
83°
64°
26
77°
53°
27
72°
48°
28
76°
62°
29
74°
64°
30
77°
60°
31
78°
56°
1
81°
60°
2
78°
62°
3
77°
58°
4
78°
56°
5
74°
57°
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 72° to 81°, with overnight lows between 48° and 64°. The average high for August is 77° with an average low of 58°. 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.
