S
M
T
W
T
F
S
26
66°
51°
27
70°
46°
28
76°
47°
29
82°
48°
30
85°
52°
1
82°
54°
2
71°
53°
3
68°
53°
4
64°
52°
5
68°
53°
6
76°
57°
7
83°
54°
8
84°
52°
9
89°
55°
10
86°
54°
11
94°
54°
12
86°
57°
13
82°
55°
14
89°
54°
15
91°
52°
16
83°
50°
17
79°
60°
18
85°
59°
19
90°
54°
20
92°
54°
21
94°
57°
22
89°
56°
23
81°
54°
24
80°
52°
25
71°
52°
26
72°
50°
27
73°
56°
28
77°
56°
29
79°
54°
30
84°
52°
31
90°
59°
1
97°
60°
2
99°
59°
3
94°
61°
4
92°
62°
5
87°
60°
6
85°
58°
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 99°, with overnight lows between 50° and 62°. The average high for May is 86° with an average low of 57°. 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.
