S
M
T
W
T
F
S
26
84°
65°
27
82°
69°
28
80°
67°
29
78°
63°
30
78°
65°
31
81°
68°
1
83°
69°
2
79°
69°
3
83°
68°
4
85°
68°
5
80°
66°
6
78°
68°
7
85°
68°
8
83°
67°
9
82°
68°
10
82°
66°
11
79°
65°
12
80°
68°
13
84°
67°
14
78°
62°
15
76°
60°
16
77°
63°
17
77°
67°
18
79°
67°
19
77°
66°
20
81°
67°
21
83°
65°
22
76°
63°
23
78°
66°
24
78°
62°
25
79°
63°
26
84°
62°
27
81°
58°
28
76°
57°
29
73°
56°
30
74°
57°
31
75°
64°
1
77°
65°
2
78°
65°
3
78°
60°
4
77°
54°
5
75°
56°
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 73° to 85°, with overnight lows between 54° and 69°. The average high for August is 79° 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 Highland Park. See also: September | October | November.
