S
M
T
W
T
F
S
29
50°
32°
30
56°
29°
31
58°
26°
1
50°
38°
2
53°
33°
3
62°
31°
4
73°
31°
5
80°
36°
6
77°
38°
7
58°
34°
8
65°
36°
9
75°
40°
10
67°
46°
11
55°
44°
12
55°
40°
13
58°
40°
14
59°
41°
15
58°
43°
16
61°
42°
17
62°
41°
18
61°
40°
19
61°
41°
20
60°
38°
21
59°
36°
22
54°
35°
23
55°
34°
24
62°
37°
25
59°
35°
26
60°
35°
27
63°
36°
28
63°
38°
29
62°
38°
30
64°
42°
1
66°
44°
2
65°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Cathlamet
Cathlamet's April 2026 forecast shows daily high temperatures ranging from 54° to 75°, with overnight lows between 34° and 46°. The average high for April is 61° with an average low of 39°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Cathlamet. See also: May | June | July.
