S
M
T
W
T
F
S
31
76°
45°
1
77°
49°
2
78°
44°
3
83°
50°
4
88°
52°
5
91°
55°
6
90°
60°
7
85°
64°
8
78°
56°
9
82°
48°
10
84°
67°
11
93°
71°
12
93°
70°
13
87°
67°
14
89°
61°
15
75°
58°
16
76°
51°
17
83°
55°
18
89°
71°
19
81°
60°
20
82°
57°
21
83°
62°
22
80°
65°
23
79°
59°
24
82°
60°
25
85°
61°
26
83°
63°
27
85°
61°
28
84°
62°
29
90°
65°
30
86°
65°
1
86°
67°
2
85°
66°
3
86°
63°
4
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Mainland
Mainland's June 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 57° and 67°. The average high for June is 84° with an average low of 63°. 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 Mainland. See also: July | August | September.
