S
M
T
W
T
F
S
28
77°
62°
29
92°
72°
30
92°
78°
1
94°
74°
2
93°
73°
3
88°
69°
4
85°
69°
5
83°
63°
6
80°
69°
7
82°
66°
8
83°
68°
9
83°
70°
10
84°
69°
11
85°
68°
12
86°
68°
13
85°
69°
14
82°
64°
15
78°
62°
16
81°
66°
17
77°
61°
18
78°
66°
19
78°
68°
20
79°
68°
21
83°
67°
22
84°
68°
23
85°
68°
24
81°
67°
25
84°
68°
26
85°
69°
27
85°
69°
28
84°
68°
29
86°
67°
30
84°
68°
31
84°
67°
1
78°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Grass Lake
Grass Lake's July 2026 forecast shows daily high temperatures ranging from 77° to 94°, with overnight lows between 61° and 74°. The average high for July is 83° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Grass Lake. See also: August | September | October.
