S
M
T
W
T
F
S
28
83°
66°
29
90°
67°
30
90°
72°
1
94°
72°
2
93°
73°
3
95°
71°
4
90°
69°
5
87°
70°
6
83°
67°
7
85°
68°
8
86°
64°
9
87°
67°
10
79°
66°
11
80°
61°
12
81°
62°
13
84°
63°
14
86°
68°
15
89°
67°
16
84°
64°
17
82°
61°
18
81°
64°
19
81°
60°
20
80°
63°
21
79°
62°
22
78°
60°
23
78°
60°
24
87°
67°
25
86°
66°
26
87°
67°
27
87°
66°
28
83°
66°
29
82°
65°
30
79°
65°
31
79°
64°
1
78°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Walnut Creek
Walnut Creek's July 2026 forecast shows daily high temperatures ranging from 78° to 89°, with overnight lows between 60° and 68°. The average high for July is 83° 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 Walnut Creek. See also: August | September | October.
