S
M
T
W
T
F
S
26
56°
36°
27
55°
35°
28
59°
35°
29
58°
39°
30
48°
38°
1
60°
34°
2
73°
36°
3
75°
47°
4
75°
45°
5
47°
31°
6
40°
29°
7
74°
36°
8
71°
39°
9
75°
47°
10
72°
45°
11
85°
47°
12
80°
51°
13
90°
56°
14
86°
59°
15
84°
51°
16
79°
55°
17
71°
45°
18
45°
36°
19
51°
33°
20
56°
41°
21
71°
40°
22
64°
38°
23
75°
51°
24
81°
54°
25
81°
54°
26
77°
50°
27
72°
51°
28
81°
54°
29
77°
52°
30
75°
54°
31
74°
53°
1
78°
55°
2
77°
54°
3
79°
56°
4
82°
56°
5
80°
50°
6
78°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Highland Park
Highland Park's May 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 50° and 56°. The average high for May is 78° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Highland Park. See also: June | July | August.
