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
62°
45°
20
65°
42°
21
66°
47°
22
73°
56°
23
78°
48°
24
86°
52°
25
91°
65°
26
87°
61°
27
85°
56°
28
75°
65°
29
76°
64°
30
80°
66°
31
85°
64°
1
85°
62°
2
83°
61°
3
82°
62°
4
84°
61°
5
82°
62°
6
86°
63°
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 75° to 86°, with overnight lows between 61° and 66°. The average high for May is 82° with an average low of 63°. 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.
