S
M
T
W
T
F
S
31
87°
82°
1
89°
82°
2
90°
75°
3
84°
72°
4
88°
72°
5
90°
75°
6
91°
75°
7
92°
77°
8
91°
78°
9
90°
75°
10
86°
76°
11
86°
75°
12
88°
78°
13
87°
77°
14
88°
76°
15
87°
75°
16
87°
77°
17
89°
76°
18
90°
77°
19
90°
78°
20
89°
78°
21
90°
77°
22
89°
78°
23
89°
78°
24
90°
77°
25
88°
78°
26
90°
78°
27
90°
77°
28
89°
78°
29
88°
78°
30
89°
77°
1
88°
78°
2
88°
77°
3
87°
77°
4
88°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Treasure Island
Treasure Island's June 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 72° and 78°. The average high for June is 89° with an average low of 77°. 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 Treasure Island. See also: July | August | September.
