S
M
T
W
T
F
S
28
84°
62°
29
92°
76°
30
93°
77°
1
93°
76°
2
93°
70°
3
89°
69°
4
81°
68°
5
85°
67°
6
87°
65°
7
88°
62°
8
88°
64°
9
87°
69°
10
85°
67°
11
86°
60°
12
89°
61°
13
91°
67°
14
94°
69°
15
95°
71°
16
91°
71°
17
89°
69°
18
88°
70°
19
85°
64°
20
84°
64°
21
82°
62°
22
84°
65°
23
86°
65°
24
83°
63°
25
87°
69°
26
88°
68°
27
84°
67°
28
83°
64°
29
78°
62°
30
77°
62°
31
79°
65°
1
81°
67°
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 77° to 95°, with overnight lows between 60° and 71°. The average high for July is 86° 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.
