S
M
T
W
T
F
S
31
83°
61°
1
87°
60°
2
83°
52°
3
83°
59°
4
85°
66°
5
81°
67°
6
83°
67°
7
85°
68°
8
85°
66°
9
86°
66°
10
88°
64°
11
87°
66°
12
83°
67°
13
85°
64°
14
84°
62°
15
81°
64°
16
82°
60°
17
83°
64°
18
84°
63°
19
83°
64°
20
84°
64°
21
81°
58°
22
77°
57°
23
79°
66°
24
87°
67°
25
87°
65°
26
83°
62°
27
80°
63°
28
80°
64°
29
83°
66°
30
84°
66°
1
85°
65°
2
84°
66°
3
86°
67°
4
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Walnut
Walnut's June 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 57° and 68°. The average high for June is 84° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Walnut. See also: July | August | September.
