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
81°
62°
10
82°
63°
11
84°
64°
12
83°
61°
13
80°
57°
14
77°
65°
15
76°
57°
16
78°
59°
17
77°
62°
18
81°
64°
19
83°
63°
20
83°
62°
21
82°
63°
22
81°
61°
23
79°
57°
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
August Weather in Bellingham
Bellingham's August 2026 forecast shows daily high temperatures ranging from 71° to 84°, with overnight lows between 56° and 65°. The average high for August is 79° with an average low of 61°. 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.
