S
M
T
W
T
F
S
28
74°
62°
29
76°
63°
30
72°
64°
1
75°
61°
2
80°
61°
3
87°
57°
4
88°
60°
5
86°
66°
6
89°
63°
7
91°
61°
8
90°
62°
9
88°
63°
10
84°
64°
11
86°
64°
12
82°
64°
13
90°
68°
14
91°
66°
15
97°
68°
16
94°
66°
17
89°
66°
18
88°
66°
19
90°
67°
20
89°
65°
21
91°
67°
22
93°
68°
23
92°
67°
24
91°
68°
25
91°
67°
26
93°
66°
27
91°
65°
28
92°
66°
29
91°
65°
30
90°
63°
31
89°
63°
1
89°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Walnut
Walnut's July 2026 forecast shows daily high temperatures ranging from 88° to 94°, with overnight lows between 63° and 68°. 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 Walnut. See also: August | September | October.
