S
M
T
W
T
F
S
31
76°
61°
1
75°
60°
2
79°
63°
3
78°
62°
4
79°
63°
5
79°
63°
6
78°
62°
7
79°
62°
8
75°
60°
9
72°
59°
10
73°
59°
11
73°
60°
12
74°
61°
13
74°
60°
14
73°
59°
15
76°
61°
16
77°
62°
17
79°
62°
18
78°
60°
19
74°
60°
20
72°
61°
21
74°
60°
22
75°
61°
23
76°
62°
24
79°
63°
25
82°
64°
26
82°
64°
27
79°
60°
28
79°
61°
29
81°
64°
30
83°
65°
1
83°
64°
2
81°
65°
3
84°
68°
4
83°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Tustin
Tustin's June 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 59° and 68°. The average high for June is 78° with an average low of 62°. 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 Tustin. See also: July | August | September.
