S
M
T
W
T
F
S
26
70°
47°
27
65°
51°
28
61°
49°
29
63°
41°
30
60°
34°
1
55°
33°
2
55°
35°
3
62°
49°
4
73°
56°
5
61°
43°
6
57°
40°
7
54°
38°
8
62°
49°
9
69°
47°
10
65°
49°
11
68°
51°
12
69°
50°
13
69°
49°
14
66°
40°
15
69°
52°
16
66°
49°
17
70°
56°
18
76°
57°
19
75°
57°
20
76°
58°
21
78°
58°
22
76°
57°
23
75°
54°
24
70°
51°
25
70°
57°
26
76°
59°
27
73°
57°
28
71°
56°
29
71°
53°
30
72°
56°
31
76°
58°
1
73°
59°
2
80°
61°
3
78°
55°
4
73°
52°
5
72°
53°
6
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Lafayette
West Lafayette's May 2026 forecast shows daily high temperatures ranging from 54° to 80°, with overnight lows between 33° and 61°. The average high for May is 70° with an average low of 52°. 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 West Lafayette. See also: June | July | August.
