S
M
T
W
T
F
S
31
76°
40°
1
78°
46°
2
78°
47°
3
82°
55°
4
83°
62°
5
83°
66°
6
78°
62°
7
79°
57°
8
81°
58°
9
80°
61°
10
78°
59°
11
81°
60°
12
80°
59°
13
81°
58°
14
79°
56°
15
77°
55°
16
72°
51°
17
73°
52°
18
75°
56°
19
78°
59°
20
82°
61°
21
76°
60°
22
81°
60°
23
76°
59°
24
78°
57°
25
76°
57°
26
82°
62°
27
82°
59°
28
77°
58°
29
77°
55°
30
78°
54°
1
77°
59°
2
82°
62°
3
82°
62°
4
80°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Grass Lake
Grass Lake's June 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 47° and 66°. The average high for June is 79° with an average low of 58°. 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 Grass Lake. See also: July | August | September.