S
M
T
W
T
F
S
26
50°
27°
27
50°
21°
28
51°
26°
29
52°
26°
30
53°
20°
31
49°
21°
1
49°
21°
2
46°
24°
3
49°
25°
4
53°
29°
5
54°
28°
6
53°
26°
7
53°
22°
8
52°
20°
9
51°
19°
10
51°
16°
11
43°
18°
12
42°
18°
13
43°
21°
14
50°
19°
15
51°
23°
16
51°
25°
17
50°
19°
18
49°
25°
19
49°
17°
20
45°
18°
21
44°
15°
22
41°
17°
23
42°
16°
24
42°
16°
25
41°
17°
26
41°
18°
27
40°
18°
28
38°
16°
29
40°
17°
30
41°
19°
31
42°
21°
1
41°
23°
2
44°
26°
3
50°
23°
4
50°
25°
5
49°
19°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mount Baker
Mount Baker's August 2026 forecast shows daily high temperatures ranging from 38° to 54°, with overnight lows between 15° and 29°. The average high for August is 47° with an average low of 21°. 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 Mount Baker. See also: September | October | November.
