S
M
T
W
T
F
S
26
87°
70°
27
87°
70°
28
86°
69°
29
88°
69°
30
86°
70°
31
85°
68°
1
80°
65°
2
79°
64°
3
80°
68°
4
82°
69°
5
83°
69°
6
85°
68°
7
86°
69°
8
86°
69°
9
85°
68°
10
85°
68°
11
86°
69°
12
87°
69°
13
86°
68°
14
88°
60°
15
86°
62°
16
80°
63°
17
81°
64°
18
85°
63°
19
86°
60°
20
79°
58°
21
78°
58°
22
78°
59°
23
79°
59°
24
78°
60°
25
78°
63°
26
77°
61°
27
84°
60°
28
84°
58°
29
77°
58°
30
75°
59°
31
76°
57°
1
75°
57°
2
75°
56°
3
76°
56°
4
76°
57°
5
77°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Morton Grove
Morton Grove's August 2026 forecast shows daily high temperatures ranging from 75° to 88°, with overnight lows between 56° and 70°. The average high for August is 82° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Morton Grove. See also: September | October | November.
