S
M
T
W
T
F
S
26
57°
28°
27
59°
36°
28
58°
38°
29
63°
32°
30
68°
36°
1
73°
40°
2
77°
46°
3
75°
42°
4
74°
44°
5
72°
46°
6
73°
48°
7
68°
46°
8
67°
39°
9
68°
42°
10
75°
51°
11
69°
41°
12
85°
40°
13
65°
45°
14
60°
42°
15
54°
37°
16
51°
35°
17
57°
34°
18
62°
39°
19
65°
42°
20
66°
45°
21
67°
40°
22
72°
38°
23
77°
45°
24
83°
52°
25
85°
48°
26
62°
50°
27
74°
50°
28
85°
56°
29
76°
45°
30
73°
41°
31
72°
41°
1
80°
49°
2
87°
53°
3
83°
49°
4
82°
48°
5
82°
49°
6
77°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in LaCrosse
LaCrosse's May 2026 forecast shows daily high temperatures ranging from 62° to 87°, with overnight lows between 41° and 56°. The average high for May is 79° with an average low of 48°. 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 LaCrosse. See also: June | July | August.
