S
M
T
W
T
F
S
31
75°
47°
1
80°
45°
2
85°
42°
3
94°
49°
4
82°
52°
5
94°
46°
6
77°
55°
7
68°
47°
8
83°
47°
9
79°
54°
10
70°
44°
11
79°
37°
12
88°
42°
13
86°
53°
14
90°
56°
15
94°
62°
16
99°
64°
17
93°
54°
18
97°
60°
19
100°
67°
20
93°
59°
21
95°
57°
22
95°
58°
23
94°
57°
24
100°
60°
25
98°
58°
26
93°
55°
27
97°
62°
28
96°
61°
29
98°
63°
30
98°
62°
1
96°
61°
2
96°
62°
3
98°
62°
4
99°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Three Island State Park
Three Island State Park's June 2026 forecast shows daily high temperatures ranging from 86° to 100°, with overnight lows between 53° and 67°. The average high for June is 96° with an average low of 60°. 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 Three Island State Park. See also: July | August | September.
