S
M
T
W
T
F
S
26
63°
35°
27
70°
37°
28
69°
48°
29
58°
49°
30
49°
35°
1
49°
34°
2
46°
26°
3
47°
36°
4
55°
44°
5
56°
37°
6
53°
36°
7
51°
35°
8
46°
30°
9
52°
35°
10
55°
36°
11
58°
37°
12
60°
39°
13
55°
38°
14
56°
39°
15
57°
35°
16
57°
36°
17
58°
37°
18
58°
44°
19
63°
44°
20
68°
45°
21
69°
43°
22
63°
38°
23
57°
42°
24
60°
39°
25
60°
38°
26
61°
41°
27
59°
44°
28
61°
47°
29
67°
47°
30
66°
40°
31
64°
39°
1
61°
38°
2
62°
39°
3
63°
40°
4
62°
41°
5
62°
41°
6
64°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lac-Chapleau
Lac-Chapleau's May 2026 forecast shows daily high temperatures ranging from 46° to 69°, with overnight lows between 26° and 47°. The average high for May is 58° with an average low of 39°. 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-Chapleau. See also: June | July | August.
