S
M
T
W
T
F
S
31
86°
48°
1
91°
49°
2
80°
50°
3
78°
52°
4
86°
54°
5
89°
55°
6
76°
50°
7
83°
50°
8
70°
58°
9
78°
54°
10
83°
55°
11
89°
59°
12
95°
60°
13
97°
60°
14
92°
59°
15
93°
59°
16
92°
60°
17
84°
56°
18
87°
59°
19
85°
60°
20
83°
59°
21
84°
59°
22
82°
58°
23
82°
56°
24
84°
56°
25
81°
57°
26
81°
57°
27
84°
58°
28
88°
60°
29
88°
60°
30
87°
59°
1
84°
57°
2
88°
58°
3
88°
58°
4
82°
56°
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 70° to 97°, with overnight lows between 50° and 60°. The average high for June is 85° with an average low of 57°. 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.
