S
M
T
W
T
F
S
27
87°
48°
28
79°
45°
29
79°
48°
30
80°
45°
1
78°
40°
2
75°
39°
3
75°
41°
4
74°
41°
5
74°
40°
6
73°
40°
7
75°
39°
8
74°
40°
9
75°
39°
10
74°
40°
11
73°
38°
12
71°
38°
13
70°
40°
14
70°
37°
15
69°
36°
16
69°
38°
17
72°
43°
18
74°
44°
19
75°
45°
20
70°
44°
21
72°
43°
22
69°
45°
23
74°
44°
24
75°
44°
25
74°
45°
26
73°
46°
27
67°
45°
28
71°
44°
29
66°
43°
30
63°
40°
31
62°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Cottage Grove
Cottage Grove's October 2026 forecast shows daily high temperatures ranging from 62° to 87°, with overnight lows between 36° and 48°. The average high for October is 73° with an average low of 42°. 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 Cottage Grove. See also: November | December | January.
