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
94°
68°
14
96°
73°
15
97°
69°
16
99°
68°
17
94°
67°
18
94°
67°
19
96°
68°
20
99°
72°
21
99°
72°
22
98°
69°
23
96°
70°
24
95°
68°
25
96°
69°
26
103°
67°
27
91°
68°
28
96°
70°
29
95°
69°
30
90°
66°
31
85°
60°
1
84°
60°
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 84° to 103°, with overnight lows between 60° and 73°. The average high for July is 95° with an average low of 68°. 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.
