S
M
T
W
T
F
S
31
87°
77°
1
89°
71°
2
87°
71°
3
83°
65°
4
84°
68°
5
86°
70°
6
87°
74°
7
88°
74°
8
91°
76°
9
90°
77°
10
90°
78°
11
91°
77°
12
89°
78°
13
91°
76°
14
87°
75°
15
86°
76°
16
86°
76°
17
87°
76°
18
87°
76°
19
88°
76°
20
89°
77°
21
91°
77°
22
91°
76°
23
89°
77°
24
88°
77°
25
87°
76°
26
89°
77°
27
89°
76°
28
88°
77°
29
87°
77°
30
88°
76°
1
89°
77°
2
88°
77°
3
87°
76°
4
87°
78°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Upper Grand Lagoon
Upper Grand Lagoon's June 2026 forecast shows daily high temperatures ranging from 83° to 91°, with overnight lows between 65° and 78°. The average high for June is 88° with an average low of 75°. 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 Upper Grand Lagoon. See also: July | August | September.
