S
M
T
W
T
F
S
28
86°
64°
29
86°
66°
30
81°
67°
1
88°
68°
2
88°
69°
3
87°
68°
4
88°
63°
5
81°
62°
6
81°
66°
7
82°
66°
8
82°
69°
9
85°
68°
10
83°
67°
11
83°
67°
12
84°
69°
13
84°
68°
14
88°
67°
15
86°
68°
16
87°
67°
17
90°
68°
18
90°
68°
19
89°
69°
20
89°
70°
21
91°
71°
22
91°
70°
23
90°
72°
24
91°
71°
25
91°
65°
26
85°
64°
27
84°
64°
28
83°
65°
29
84°
67°
30
85°
68°
31
85°
70°
1
86°
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 81° to 91°, with overnight lows between 62° and 72°. The average high for July is 86° with an average low of 67°. 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.
