S
M
T
W
T
F
S
26
67°
46°
27
62°
46°
28
53°
42°
29
65°
36°
30
63°
37°
1
64°
32°
2
70°
30°
3
80°
49°
4
87°
46°
5
56°
46°
6
62°
42°
7
77°
42°
8
78°
47°
9
82°
39°
10
74°
46°
11
85°
43°
12
85°
51°
13
83°
42°
14
83°
59°
15
95°
54°
16
91°
62°
17
88°
58°
18
60°
50°
19
64°
43°
20
65°
50°
21
58°
51°
22
65°
49°
23
75°
54°
24
77°
54°
25
81°
57°
26
80°
59°
27
81°
58°
28
81°
60°
29
80°
60°
30
81°
61°
31
78°
57°
1
79°
56°
2
79°
59°
3
74°
55°
4
75°
58°
5
80°
61°
6
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fairbury
Fairbury's May 2026 forecast shows daily high temperatures ranging from 58° to 83°, with overnight lows between 43° and 62°. The average high for May is 76° with an average low of 56°. 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 Fairbury. See also: June | July | August.
