S
M
T
W
T
F
S
26
65°
32°
27
73°
34°
28
69°
37°
29
67°
46°
30
53°
40°
1
49°
27°
2
50°
25°
3
52°
27°
4
52°
24°
5
70°
36°
6
52°
38°
7
51°
40°
8
52°
31°
9
64°
30°
10
64°
43°
11
56°
34°
12
54°
30°
13
58°
29°
14
50°
45°
15
67°
45°
16
73°
51°
17
66°
44°
18
54°
50°
19
67°
61°
20
68°
36°
21
57°
34°
22
61°
40°
23
61°
43°
24
63°
47°
25
62°
48°
26
65°
49°
27
69°
51°
28
69°
50°
29
68°
50°
30
67°
51°
31
68°
58°
1
64°
47°
2
65°
49°
3
66°
50°
4
63°
51°
5
64°
52°
6
71°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lac-Saint-Charles
Lac-Saint-Charles's May 2026 forecast shows daily high temperatures ranging from 54° to 71°, with overnight lows between 34° and 61°. The average high for May is 65° 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 Lac-Saint-Charles. See also: June | July | August.
