S
M
T
W
T
F
S
28
76°
54°
29
79°
52°
30
78°
56°
1
76°
52°
2
79°
60°
3
87°
61°
4
89°
57°
5
87°
57°
6
93°
66°
7
91°
65°
8
89°
64°
9
91°
63°
10
89°
62°
11
89°
62°
12
90°
66°
13
95°
65°
14
94°
67°
15
102°
70°
16
92°
69°
17
85°
64°
18
86°
64°
19
95°
69°
20
96°
69°
21
95°
68°
22
95°
69°
23
92°
69°
24
86°
66°
25
86°
65°
26
87°
69°
27
89°
69°
28
94°
70°
29
94°
70°
30
95°
69°
31
96°
70°
1
95°
69°
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 79° to 102°, with overnight lows between 57° and 70°. The average high for July is 91° with an average low of 66°. 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.
