S
M
T
W
T
F
S
26
96°
66°
27
89°
69°
28
92°
70°
29
92°
66°
30
86°
69°
31
74°
62°
1
81°
61°
2
84°
59°
3
85°
61°
4
71°
53°
5
79°
47°
6
84°
53°
7
75°
55°
8
81°
51°
9
N/A
10
83°
62°
11
84°
59°
12
81°
61°
13
77°
57°
14
73°
60°
15
73°
57°
16
74°
56°
17
77°
62°
18
81°
64°
19
80°
58°
20
79°
59°
21
82°
60°
22
79°
57°
23
84°
63°
24
79°
63°
25
80°
62°
26
83°
63°
27
83°
62°
28
78°
61°
29
73°
58°
30
72°
56°
31
72°
60°
1
71°
61°
2
76°
60°
3
78°
61°
4
78°
60°
5
75°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
August Weather in Bellingham
Bellingham's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 56° and 64°. The average high for August is 78° with an average low of 60°. 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 Bellingham. See also: September | October | November.
