S
M
T
W
T
F
S
28
64°
55°
29
63°
54°
30
61°
52°
1
66°
52°
2
70°
54°
3
70°
54°
4
72°
54°
5
77°
50°
6
86°
50°
7
77°
50°
8
73°
52°
9
79°
46°
10
77°
54°
11
75°
55°
12
73°
52°
13
81°
46°
14
86°
48°
15
82°
52°
16
64°
55°
17
70°
54°
18
72°
50°
19
81°
52°
20
86°
55°
21
95°
59°
22
95°
61°
23
79°
52°
24
83°
56°
25
75°
57°
26
74°
54°
27
76°
53°
28
79°
54°
29
80°
52°
30
82°
53°
31
79°
51°
1
77°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Chehalis
Chehalis's July 2026 forecast shows daily high temperatures ranging from 74° to 83°, with overnight lows between 51° and 57°. The average high for July is 78° with an average low of 54°. 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 Chehalis. See also: August | September | October.
