S
M
T
W
T
F
S
26
80°
61°
27
80°
61°
28
79°
60°
29
78°
62°
30
79°
61°
31
78°
60°
1
72°
59°
2
72°
56°
3
73°
59°
4
77°
59°
5
78°
60°
6
79°
60°
7
80°
61°
8
79°
61°
9
78°
60°
10
79°
61°
11
80°
60°
12
78°
61°
13
76°
60°
14
79°
51°
15
77°
54°
16
74°
58°
17
77°
57°
18
78°
58°
19
77°
50°
20
72°
47°
21
66°
49°
22
69°
53°
23
71°
51°
24
71°
46°
25
65°
47°
26
66°
50°
27
64°
48°
28
65°
48°
29
66°
45°
30
65°
45°
31
64°
46°
1
66°
49°
2
67°
49°
3
68°
52°
4
68°
51°
5
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Sellwood
Sellwood's August 2026 forecast shows daily high temperatures ranging from 63° to 80°, with overnight lows between 45° and 62°. The average high for August is 73° with an average low of 55°. 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 Sellwood. See also: September | October | November.
