S
M
T
W
T
F
S
28
84°
49°
29
88°
54°
30
80°
57°
1
73°
54°
2
78°
51°
3
89°
53°
4
82°
54°
5
80°
55°
6
79°
52°
7
68°
54°
8
70°
52°
9
93°
54°
10
78°
55°
11
82°
53°
12
94°
64°
13
92°
65°
14
102°
61°
15
93°
62°
16
83°
58°
17
80°
55°
18
76°
55°
19
87°
55°
20
87°
61°
21
99°
65°
22
77°
65°
23
83°
57°
24
85°
56°
25
81°
56°
26
82°
58°
27
82°
56°
28
87°
59°
29
86°
58°
30
89°
56°
31
93°
58°
1
96°
60°
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 86° to 96°, with overnight lows between 56° and 60°. The average high for July is 90° with an average low of 58°. 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.
