S
M
T
W
T
F
S
31
75°
47°
1
74°
51°
2
75°
47°
3
80°
52°
4
82°
58°
5
84°
62°
6
78°
63°
7
80°
56°
8
79°
57°
9
80°
58°
10
82°
61°
11
83°
60°
12
81°
62°
13
82°
61°
14
81°
65°
15
80°
63°
16
83°
58°
17
75°
60°
18
79°
62°
19
80°
62°
20
79°
61°
21
83°
55°
22
74°
55°
23
75°
59°
24
81°
65°
25
84°
63°
26
83°
60°
27
77°
57°
28
77°
62°
29
79°
63°
30
78°
62°
1
79°
60°
2
78°
61°
3
81°
64°
4
84°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Walnut Creek
Walnut Creek's June 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 52° and 65°. The average high for June is 80° with an average low of 60°. 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 Creek. See also: July | August | September.
