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
89°
61°
28
86°
64°
29
86°
61°
30
90°
63°
31
94°
72°
1
90°
54°
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 90° to 94°, with overnight lows between 54° and 72°. The average high for July is 91° with an average low of 63°. 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.
