S
M
T
W
T
F
S
26
44°
30°
27
37°
27°
28
47°
23°
29
47°
26°
30
49°
28°
1
56°
29°
2
64°
32°
3
66°
38°
4
64°
32°
5
47°
29°
6
52°
24°
7
63°
36°
8
65°
36°
9
64°
37°
10
70°
36°
11
78°
40°
12
81°
47°
13
76°
49°
14
64°
34°
15
68°
38°
16
59°
35°
17
46°
31°
18
38°
28°
19
49°
24°
20
57°
31°
21
54°
35°
22
59°
29°
23
68°
37°
24
72°
47°
25
71°
44°
26
67°
47°
27
72°
44°
28
75°
46°
29
69°
39°
30
45°
39°
31
61°
35°
1
69°
40°
2
72°
43°
3
75°
45°
4
73°
49°
5
77°
44°
6
80°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Evanston
Evanston's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 Evanston. See also: June | July | August.
