S
M
T
W
T
F
S
28
93°
75°
29
91°
75°
30
91°
75°
1
86°
73°
2
88°
75°
3
84°
68°
4
82°
68°
5
84°
64°
6
86°
63°
7
86°
64°
8
88°
64°
9
84°
64°
10
81°
64°
11
88°
61°
12
84°
59°
13
86°
59°
14
88°
59°
15
88°
64°
16
90°
66°
17
88°
68°
18
91°
68°
19
88°
70°
20
95°
79°
21
79°
59°
22
73°
55°
23
79°
61°
24
72°
64°
25
91°
72°
26
95°
77°
27
91°
77°
28
N/A
29
90°
69°
30
82°
70°
31
80°
60°
1
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Walnut
Walnut's July 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 60° and 70°. The average high for July is 84° with an average low of 65°. 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.
