S
M
T
W
T
F
S
31
86°
48°
1
91°
49°
2
80°
50°
3
78°
52°
4
87°
53°
5
90°
54°
6
71°
53°
7
80°
48°
8
77°
51°
9
80°
59°
10
87°
55°
11
99°
56°
12
98°
59°
13
90°
55°
14
85°
57°
15
82°
56°
16
82°
56°
17
74°
58°
18
74°
58°
19
74°
60°
20
73°
56°
21
82°
54°
22
79°
55°
23
82°
55°
24
71°
53°
25
77°
56°
26
70°
55°
27
70°
58°
28
84°
49°
29
88°
54°
30
80°
57°
1
73°
54°
2
78°
51°
3
84°
54°
4
83°
55°
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 83° to 84°, with overnight lows between 54° and 55°. The average high for June is 84° with an average low of 55°. 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.
