S
M
T
W
T
F
S
26
60°
39°
27
53°
39°
28
56°
38°
29
55°
37°
30
55°
35°
1
56°
34°
2
53°
33°
3
54°
37°
4
54°
36°
5
55°
36°
6
57°
38°
7
57°
40°
8
58°
41°
9
58°
39°
10
57°
40°
11
58°
38°
12
59°
39°
13
60°
40°
14
60°
40°
15
59°
44°
16
59°
47°
17
61°
44°
18
61°
41°
19
64°
51°
20
72°
52°
21
73°
48°
22
63°
44°
23
64°
43°
24
63°
44°
25
70°
51°
26
75°
53°
27
74°
52°
28
75°
45°
29
72°
50°
30
75°
51°
31
67°
53°
1
69°
51°
2
68°
47°
3
69°
46°
4
66°
50°
5
68°
54°
6
74°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lacolle
Lacolle's May 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 33° and 56°. The average high for May is 63° with an average low of 44°. 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 Lacolle. See also: June | July | August.
