S
M
T
W
T
F
S
26
97°
63°
27
97°
62°
28
94°
62°
29
87°
58°
30
86°
58°
31
87°
61°
1
93°
62°
2
96°
63°
3
92°
51°
4
88°
53°
5
90°
59°
6
97°
60°
7
94°
55°
8
91°
51°
9
87°
51°
10
88°
56°
11
92°
54°
12
93°
58°
13
95°
60°
14
95°
60°
15
94°
59°
16
94°
60°
17
95°
56°
18
93°
52°
19
84°
51°
20
84°
52°
21
84°
51°
22
83°
47°
23
81°
48°
24
83°
51°
25
86°
54°
26
91°
56°
27
90°
55°
28
91°
56°
29
91°
55°
30
89°
55°
31
89°
54°
1
90°
54°
2
88°
53°
3
88°
53°
4
85°
51°
5
83°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Pendleton
Pendleton's August 2026 forecast shows daily high temperatures ranging from 81° to 97°, with overnight lows between 47° and 63°. The average high for August is 90° 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 Pendleton. See also: September | October | November.
