S
M
T
W
T
F
S
26
70°
48°
27
70°
39°
28
70°
43°
29
69°
45°
30
71°
43°
31
69°
42°
1
63°
46°
2
63°
47°
3
65°
46°
4
68°
43°
5
63°
45°
6
64°
43°
7
68°
46°
8
68°
42°
9
63°
40°
10
63°
39°
11
61°
39°
12
62°
38°
13
61°
37°
14
61°
37°
15
62°
43°
16
64°
37°
17
61°
38°
18
66°
42°
19
67°
44°
20
68°
46°
21
69°
45°
22
69°
45°
23
68°
42°
24
66°
37°
25
61°
36°
26
59°
37°
27
59°
36°
28
58°
35°
29
58°
35°
30
59°
33°
31
57°
36°
1
57°
37°
2
56°
37°
3
55°
34°
4
55°
32°
5
56°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Dease Lake
Dease Lake's August 2026 forecast shows daily high temperatures ranging from 55° to 71°, with overnight lows between 32° and 48°. The average high for August is 63° with an average low of 40°. 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 Dease Lake. See also: September | October | November.
