S
M
T
W
T
F
S
26
38°
24°
27
52°
22°
28
58°
28°
29
69°
34°
30
70°
41°
1
63°
45°
2
68°
38°
3
63°
47°
4
61°
42°
5
66°
38°
6
70°
40°
7
73°
46°
8
60°
41°
9
68°
43°
10
66°
46°
11
66°
45°
12
68°
41°
13
70°
48°
14
59°
45°
15
54°
40°
16
54°
37°
17
60°
37°
18
66°
37°
19
57°
46°
20
65°
42°
21
69°
45°
22
69°
45°
23
64°
42°
24
62°
45°
25
59°
42°
26
58°
42°
27
61°
40°
28
61°
41°
29
60°
42°
30
61°
43°
31
64°
45°
1
63°
45°
2
67°
44°
3
62°
45°
4
63°
46°
5
63°
45°
6
66°
47°
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 58° to 69°, with overnight lows between 40° and 47°. The average high for May is 63° with an average low of 44°. 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.
