S
M
T
W
T
F
S
26
73°
55°
27
73°
54°
28
68°
50°
29
81°
61°
30
75°
57°
1
64°
55°
2
61°
41°
3
71°
47°
4
77°
53°
5
82°
57°
6
84°
65°
7
78°
48°
8
70°
49°
9
76°
51°
10
77°
53°
11
78°
59°
12
75°
55°
13
78°
59°
14
79°
59°
15
81°
56°
16
78°
55°
17
82°
58°
18
83°
61°
19
83°
61°
20
85°
62°
21
83°
61°
22
81°
55°
23
77°
54°
24
77°
56°
25
79°
58°
26
80°
57°
27
78°
56°
28
79°
56°
29
80°
57°
30
81°
60°
31
80°
62°
1
82°
65°
2
83°
64°
3
81°
64°
4
82°
63°
5
84°
65°
6
85°
66°
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 61° to 85°, with overnight lows between 41° and 66°. The average high for May is 79° 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 Elgin. See also: June | July | August.
