S
M
T
W
T
F
S
26
57°
40°
27
66°
46°
28
65°
52°
29
55°
38°
30
54°
35°
1
44°
37°
2
52°
45°
3
60°
49°
4
72°
44°
5
53°
43°
6
51°
40°
7
51°
39°
8
58°
46°
9
61°
45°
10
60°
46°
11
61°
48°
12
64°
49°
13
62°
48°
14
67°
49°
15
61°
45°
16
61°
44°
17
62°
53°
18
70°
52°
19
64°
53°
20
67°
53°
21
70°
52°
22
67°
54°
23
71°
49°
24
64°
47°
25
64°
50°
26
66°
55°
27
70°
53°
28
66°
52°
29
66°
48°
30
68°
47°
31
67°
47°
1
67°
53°
2
76°
52°
3
67°
51°
4
68°
49°
5
68°
49°
6
69°
50°
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 44° to 76°, with overnight lows between 37° and 55°. The average high for May is 64° with an average low of 48°. 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.
