S
M
T
W
T
F
S
27
75°
38°
28
74°
37°
29
75°
44°
30
75°
54°
1
81°
44°
2
81°
45°
3
81°
45°
4
83°
44°
5
82°
44°
6
78°
44°
7
81°
40°
8
82°
41°
9
65°
44°
10
62°
36°
11
66°
32°
12
68°
30°
13
74°
33°
14
75°
40°
15
84°
40°
16
84°
37°
17
71°
49°
18
68°
35°
19
65°
42°
20
69°
36°
21
75°
40°
22
67°
34°
23
62°
31°
24
62°
32°
25
63°
31°
26
62°
31°
27
61°
34°
28
65°
35°
29
63°
42°
30
60°
38°
31
61°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Corvallis
Corvallis's October 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 31° and 42°. The average high for October is 64° with an average low of 36°. 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 Corvallis. See also: November | December | January.
