S
M
T
W
T
F
S
26
69°
56°
27
77°
55°
28
74°
50°
29
75°
45°
30
80°
43°
31
86°
48°
1
73°
50°
2
70°
45°
3
75°
41°
4
81°
46°
5
89°
48°
6
89°
50°
7
87°
51°
8
85°
50°
9
79°
47°
10
77°
50°
11
80°
57°
12
77°
55°
13
83°
56°
14
82°
55°
15
81°
55°
16
80°
55°
17
81°
56°
18
79°
55°
19
76°
56°
20
78°
56°
21
80°
57°
22
79°
56°
23
80°
57°
24
77°
54°
25
81°
58°
26
80°
59°
27
79°
59°
28
77°
57°
29
77°
58°
30
74°
58°
31
75°
57°
1
75°
58°
2
72°
57°
3
75°
58°
4
79°
57°
5
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Jackson Park
Jackson Park's August 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 54° and 59°. The average high for August is 78° with an average low of 57°. 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 Jackson Park. See also: September | October | November.