S
M
T
W
T
F
S
27
85°
60°
28
88°
65°
29
89°
68°
30
89°
71°
1
91°
72°
2
88°
75°
3
88°
75°
4
92°
75°
5
86°
72°
6
83°
72°
7
79°
71°
8
81°
67°
9
82°
69°
10
85°
71°
11
86°
70°
12
83°
70°
13
84°
68°
14
83°
70°
15
82°
68°
16
81°
63°
17
79°
66°
18
77°
66°
19
80°
66°
20
79°
65°
21
80°
66°
22
82°
66°
23
81°
65°
24
79°
64°
25
77°
59°
26
76°
57°
27
75°
59°
28
75°
60°
29
76°
63°
30
76°
62°
31
79°
63°
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 75° to 92°, with overnight lows between 57° and 75°. The average high for October is 81° with an average low of 66°. 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.
