S
M
T
W
T
F
S
26
63°
45°
27
79°
43°
28
72°
55°
29
61°
46°
30
55°
41°
1
52°
37°
2
48°
32°
3
61°
32°
4
72°
45°
5
70°
48°
6
57°
41°
7
57°
41°
8
66°
41°
9
70°
52°
10
66°
52°
11
70°
39°
12
72°
41°
13
64°
46°
14
63°
45°
15
68°
39°
16
77°
50°
17
86°
59°
18
90°
66°
19
90°
64°
20
68°
52°
21
66°
50°
22
61°
52°
23
73°
61°
24
72°
59°
25
75°
61°
26
77°
59°
27
72°
63°
28
77°
54°
29
79°
48°
30
73°
54°
31
76°
52°
1
75°
50°
2
76°
50°
3
78°
53°
4
80°
59°
5
82°
62°
6
81°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lafayette
Lafayette's May 2026 forecast shows daily high temperatures ranging from 75° to 82°, with overnight lows between 50° and 65°. The average high for May is 78° 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 Lafayette. See also: June | July | August.
