S
M
T
W
T
F
S
27
89°
63°
28
89°
62°
29
94°
60°
30
95°
67°
1
93°
69°
2
85°
68°
3
79°
67°
4
78°
60°
5
83°
55°
6
83°
58°
7
86°
59°
8
88°
60°
9
89°
59°
10
83°
61°
11
83°
61°
12
84°
60°
13
82°
59°
14
80°
57°
15
77°
53°
16
81°
59°
17
78°
58°
18
80°
58°
19
78°
53°
20
75°
49°
21
69°
47°
22
69°
48°
23
75°
51°
24
77°
56°
25
78°
56°
26
78°
55°
27
77°
56°
28
73°
56°
29
74°
54°
30
73°
51°
31
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Pendleton
Pendleton's October 2026 forecast shows daily high temperatures ranging from 69° to 89°, with overnight lows between 47° and 68°. The average high for October is 79° with an average low of 56°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Pendleton. See also: November | December | January.