S
M
T
W
T
F
S
26
72°
51°
27
77°
42°
28
81°
46°
29
76°
53°
30
76°
50°
1
75°
47°
2
76°
50°
3
77°
57°
4
74°
54°
5
67°
42°
6
71°
45°
7
76°
47°
8
83°
51°
9
83°
52°
10
87°
54°
11
88°
56°
12
90°
58°
13
90°
58°
14
90°
57°
15
89°
57°
16
93°
52°
17
85°
51°
18
85°
53°
19
86°
53°
20
87°
54°
21
88°
54°
22
88°
55°
23
87°
55°
24
88°
54°
25
87°
55°
26
86°
55°
27
85°
54°
28
82°
55°
29
82°
50°
30
83°
48°
31
82°
51°
1
83°
52°
2
85°
53°
3
84°
52°
4
84°
54°
5
85°
57°
6
88°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Elgin
Elgin's May 2026 forecast shows daily high temperatures ranging from 67° to 93°, with overnight lows between 42° and 58°. The average high for May is 84° with an average low of 53°. 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 Elgin. See also: June | July | August.
