S
M
T
W
T
F
S
28
63°
54°
29
65°
49°
30
67°
48°
1
66°
49°
2
65°
48°
3
68°
49°
4
70°
48°
5
72°
51°
6
75°
50°
7
73°
52°
8
68°
51°
9
68°
50°
10
73°
48°
11
72°
49°
12
75°
50°
13
76°
54°
14
77°
54°
15
76°
51°
16
74°
48°
17
74°
50°
18
75°
52°
19
75°
52°
20
77°
51°
21
77°
53°
22
72°
50°
23
71°
48°
24
75°
49°
25
76°
50°
26
77°
53°
27
77°
53°
28
78°
54°
29
78°
55°
30
77°
53°
31
71°
50°
1
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Cathlamet
Cathlamet's July 2026 forecast shows daily high temperatures ranging from 63° to 78°, with overnight lows between 48° and 55°. The average high for July is 73° with an average low of 51°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Cathlamet. See also: August | September | October.
