S
M
T
W
T
F
S
28
89°
66°
29
89°
72°
30
91°
74°
1
90°
72°
2
92°
71°
3
92°
70°
4
88°
68°
5
84°
69°
6
83°
67°
7
85°
64°
8
86°
63°
9
87°
64°
10
88°
61°
11
83°
67°
12
85°
62°
13
85°
59°
14
89°
63°
15
91°
65°
16
89°
66°
17
90°
71°
18
91°
71°
19
85°
64°
20
84°
61°
21
86°
64°
22
77°
56°
23
77°
49°
24
78°
55°
25
78°
64°
26
88°
69°
27
95°
75°
28
83°
66°
29
84°
59°
30
87°
65°
31
74°
67°
1
71°
63°
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 71° to 87°, with overnight lows between 63° and 67°. The average high for July is 77° 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.
