S
M
T
W
T
F
S
31
84°
54°
1
83°
57°
2
82°
58°
3
84°
57°
4
84°
58°
5
82°
58°
6
79°
57°
7
79°
59°
8
81°
59°
9
82°
57°
10
89°
61°
11
91°
62°
12
94°
62°
13
90°
63°
14
89°
61°
15
90°
62°
16
87°
60°
17
81°
58°
18
78°
59°
19
78°
57°
20
79°
54°
21
80°
54°
22
84°
57°
23
85°
59°
24
86°
61°
25
84°
58°
26
82°
58°
27
79°
61°
28
74°
57°
29
78°
60°
30
78°
59°
1
78°
58°
2
81°
58°
3
84°
59°
4
86°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in San Dimas
San Dimas's June 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 57° and 61°. The average high for June is 80° with an average low of 59°. 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 San Dimas. See also: July | August | September.
