S
M
T
W
T
F
S
26
83°
66°
27
88°
69°
28
87°
69°
29
88°
68°
30
88°
69°
31
83°
68°
1
85°
68°
2
83°
67°
3
82°
67°
4
82°
68°
5
85°
67°
6
84°
68°
7
83°
67°
8
82°
66°
9
83°
68°
10
81°
68°
11
82°
67°
12
82°
67°
13
81°
65°
14
81°
64°
15
82°
64°
16
81°
62°
17
81°
63°
18
82°
65°
19
82°
64°
20
85°
66°
21
87°
60°
22
83°
59°
23
81°
59°
24
80°
60°
25
81°
62°
26
82°
65°
27
87°
64°
28
80°
66°
29
83°
65°
30
88°
58°
31
80°
57°
1
80°
58°
2
81°
62°
3
80°
58°
4
82°
64°
5
85°
64°
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 80° to 88°, with overnight lows between 57° and 69°. The average high for August is 83° with an average low of 65°. 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.
