S
M
T
W
T
F
S
27
84°
68°
28
85°
68°
29
83°
69°
30
84°
69°
1
84°
68°
2
83°
68°
3
83°
67°
4
84°
67°
5
83°
68°
6
84°
68°
7
85°
67°
8
86°
68°
9
85°
67°
10
85°
67°
11
86°
66°
12
85°
67°
13
85°
67°
14
84°
66°
15
84°
66°
16
83°
65°
17
83°
64°
18
82°
63°
19
80°
61°
20
82°
60°
21
79°
63°
22
81°
63°
23
82°
62°
24
83°
58°
25
80°
58°
26
77°
62°
27
78°
61°
28
79°
62°
29
81°
60°
30
80°
60°
31
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Umatilla
Umatilla's October 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 58° and 69°. The average high for October is 83° 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 October weather will actually feel in Umatilla. See also: November | December | January.
