S
M
T
W
T
F
S
26
83°
64°
27
84°
65°
28
84°
65°
29
86°
70°
30
85°
70°
31
89°
71°
1
90°
69°
2
89°
71°
3
90°
72°
4
91°
65°
5
91°
62°
6
84°
61°
7
81°
62°
8
81°
63°
9
82°
62°
10
83°
63°
11
85°
68°
12
89°
69°
13
90°
68°
14
89°
67°
15
90°
64°
16
90°
61°
17
82°
60°
18
83°
62°
19
85°
64°
20
88°
63°
21
88°
60°
22
81°
67°
23
87°
68°
24
89°
68°
25
90°
66°
26
85°
67°
27
87°
68°
28
89°
67°
29
88°
68°
30
89°
65°
31
86°
64°
1
83°
63°
2
85°
61°
3
82°
62°
4
83°
64°
5
86°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Oregon
Oregon's August 2026 forecast shows daily high temperatures ranging from 81° to 91°, with overnight lows between 60° and 72°. The average high for August is 86° with an average low of 65°. 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 Oregon. See also: September | October | November.
