S
M
T
W
T
F
S
28
88°
59°
29
88°
58°
30
87°
63°
1
92°
63°
2
89°
62°
3
88°
61°
4
84°
57°
5
83°
54°
6
83°
61°
7
91°
67°
8
95°
65°
9
87°
63°
10
88°
65°
11
90°
63°
12
91°
66°
13
93°
66°
14
91°
67°
15
92°
61°
16
86°
68°
17
92°
58°
18
86°
65°
19
92°
63°
20
92°
68°
21
97°
69°
22
98°
64°
23
90°
61°
24
88°
65°
25
92°
63°
26
91°
61°
27
90°
67°
28
97°
68°
29
97°
69°
30
98°
67°
31
87°
69°
1
93°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Kennewick
Kennewick's July 2026 forecast shows daily high temperatures ranging from 83° to 98°, with overnight lows between 54° and 69°. The average high for July is 90° 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 Kennewick. See also: August | September | October.