S
M
T
W
T
F
S
27
63°
43°
28
62°
41°
29
63°
41°
30
63°
44°
1
62°
43°
2
62°
42°
3
61°
42°
4
60°
41°
5
60°
43°
6
61°
43°
7
60°
42°
8
60°
44°
9
68°
44°
10
68°
46°
11
66°
46°
12
67°
43°
13
66°
46°
14
67°
43°
15
64°
38°
16
67°
37°
17
59°
37°
18
57°
38°
19
57°
34°
20
55°
35°
21
55°
34°
22
56°
34°
23
55°
35°
24
55°
39°
25
54°
34°
26
53°
38°
27
53°
35°
28
55°
36°
29
56°
35°
30
60°
35°
31
57°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Cathlamet
Cathlamet's October 2026 forecast shows daily high temperatures ranging from 53° to 68°, with overnight lows between 34° and 46°. The average high for October is 60° with an average low of 40°. 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 Cathlamet. See also: November | December | January.
