S
M
T
W
T
F
S
28
76°
54°
29
79°
52°
30
78°
56°
1
76°
52°
2
79°
53°
3
79°
53°
4
88°
72°
5
88°
75°
6
88°
64°
7
99°
66°
8
88°
82°
9
90°
62°
10
92°
64°
11
87°
68°
12
83°
66°
13
98°
59°
14
97°
70°
15
102°
70°
16
97°
70°
17
91°
61°
18
90°
65°
19
92°
62°
20
79°
63°
21
96°
63°
22
100°
72°
23
97°
76°
24
97°
61°
25
90°
67°
26
87°
58°
27
90°
65°
28
90°
62°
29
89°
64°
30
90°
66°
31
94°
68°
1
96°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Walla Walla
Walla Walla's July 2026 forecast shows daily high temperatures ranging from 89° to 96°, with overnight lows between 61° and 68°. The average high for July is 92° with an average low of 64°. 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 Walla Walla. See also: August | September | October.
