S
M
T
W
T
F
S
26
87°
70°
27
87°
70°
28
86°
69°
29
87°
68°
30
84°
63°
31
80°
61°
1
80°
67°
2
81°
67°
3
83°
66°
4
86°
68°
5
85°
68°
6
83°
67°
7
82°
67°
8
79°
65°
9
80°
64°
10
80°
61°
11
84°
65°
12
84°
67°
13
86°
68°
14
87°
65°
15
85°
69°
16
86°
66°
17
86°
59°
18
79°
58°
19
77°
57°
20
77°
57°
21
78°
58°
22
78°
57°
23
79°
58°
24
80°
58°
25
81°
59°
26
84°
64°
27
84°
57°
28
77°
56°
29
76°
57°
30
77°
60°
31
78°
57°
1
80°
56°
2
77°
55°
3
76°
58°
4
78°
64°
5
83°
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 76° to 87°, with overnight lows between 55° and 70°. The average high for August is 82° with an average low of 63°. 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.
