S
M
T
W
T
F
S
26
57°
40°
27
66°
46°
28
65°
52°
29
55°
38°
30
54°
35°
1
49°
31°
2
55°
29°
3
68°
45°
4
81°
47°
5
62°
48°
6
58°
39°
7
58°
33°
8
65°
36°
9
74°
44°
10
64°
38°
11
55°
36°
12
70°
35°
13
57°
39°
14
65°
37°
15
75°
48°
16
85°
64°
17
88°
60°
18
82°
67°
19
80°
61°
20
61°
47°
21
55°
47°
22
64°
50°
23
66°
53°
24
75°
54°
25
85°
53°
26
84°
58°
27
78°
55°
28
67°
49°
29
82°
48°
30
71°
55°
31
73°
56°
1
71°
55°
2
72°
56°
3
80°
63°
4
83°
65°
5
86°
64°
6
80°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Morton Grove
Morton Grove's May 2026 forecast shows daily high temperatures ranging from 71° to 86°, with overnight lows between 55° and 65°. The average high for May is 77° with an average low of 59°. 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 Morton Grove. See also: June | July | August.
