S
M
T
W
T
F
S
26
63°
41°
27
67°
43°
28
67°
43°
29
60°
41°
30
58°
38°
31
57°
37°
1
58°
40°
2
58°
36°
3
59°
38°
4
59°
37°
5
60°
39°
6
66°
43°
7
64°
42°
8
64°
42°
9
67°
43°
10
67°
43°
11
68°
42°
12
68°
44°
13
69°
44°
14
67°
43°
15
67°
43°
16
66°
44°
17
67°
43°
18
67°
43°
19
68°
44°
20
68°
44°
21
67°
43°
22
66°
43°
23
67°
42°
24
65°
36°
25
62°
42°
26
66°
42°
27
67°
43°
28
69°
42°
29
68°
40°
30
69°
43°
31
67°
42°
1
66°
39°
2
66°
34°
3
67°
34°
4
67°
35°
5
65°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mt. Baker
Mt. Baker's August 2026 forecast shows daily high temperatures ranging from 57° to 69°, with overnight lows between 34° and 44°. The average high for August is 65° with an average low of 41°. 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 Mt. Baker. See also: September | October | November.
