S
M
T
W
T
F
S
26
65°
37°
27
73°
38°
28
74°
42°
29
74°
52°
30
53°
38°
1
54°
33°
2
50°
35°
3
56°
32°
4
61°
37°
5
73°
41°
6
51°
42°
7
55°
40°
8
56°
40°
9
65°
40°
10
62°
44°
11
55°
42°
12
57°
37°
13
54°
42°
14
55°
46°
15
62°
46°
16
71°
52°
17
64°
37°
18
67°
53°
19
79°
62°
20
69°
38°
21
56°
37°
22
59°
40°
23
65°
42°
24
62°
46°
25
64°
46°
26
65°
49°
27
69°
48°
28
68°
43°
29
62°
47°
30
62°
48°
31
66°
48°
1
62°
46°
2
61°
44°
3
62°
41°
4
63°
42°
5
64°
50°
6
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lac-Lasalle
Lac-Lasalle's May 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 37° and 62°. The average high for May is 65° with an average low of 46°. 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 Lac-Lasalle. See also: June | July | August.
