S
M
T
W
T
F
S
26
83°
64°
27
83°
68°
28
84°
64°
29
78°
61°
30
77°
61°
31
80°
66°
1
84°
67°
2
86°
68°
3
84°
68°
4
85°
67°
5
80°
65°
6
81°
67°
7
86°
66°
8
79°
67°
9
85°
65°
10
78°
62°
11
79°
64°
12
81°
67°
13
84°
64°
14
80°
60°
15
77°
59°
16
78°
63°
17
78°
65°
18
81°
66°
19
84°
62°
20
84°
66°
21
85°
62°
22
76°
59°
23
82°
65°
24
78°
64°
25
84°
63°
26
84°
64°
27
83°
56°
28
77°
55°
29
73°
54°
30
75°
57°
31
76°
61°
1
75°
64°
2
80°
56°
3
75°
53°
4
73°
54°
5
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Highland Park
Highland Park's August 2026 forecast shows daily high temperatures ranging from 72° to 86°, with overnight lows between 53° and 68°. The average high for August is 80° with an average low of 62°. 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 Highland Park. See also: September | October | November.
