S
M
T
W
T
F
S
31
72°
36°
1
71°
34°
2
71°
39°
3
72°
36°
4
65°
39°
5
71°
36°
6
69°
37°
7
70°
35°
8
64°
37°
9
65°
34°
10
64°
34°
11
69°
32°
12
69°
30°
13
64°
29°
14
64°
31°
15
68°
34°
16
72°
35°
17
71°
38°
18
67°
36°
19
68°
37°
20
72°
37°
21
71°
33°
22
68°
33°
23
70°
36°
24
76°
40°
25
74°
40°
26
77°
39°
27
75°
43°
28
79°
39°
29
77°
40°
30
76°
42°
1
73°
41°
2
76°
37°
3
79°
42°
4
78°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Grand Lake
Grand Lake's June 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 29° and 43°. The average high for June is 71° with an average low of 37°. 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 Grand Lake. See also: July | August | September.
