S
M
T
W
T
F
S
29
44°
26°
30
59°
35°
31
40°
32°
1
40°
31°
2
43°
28°
3
59°
38°
4
47°
34°
5
48°
34°
6
40°
26°
7
31°
22°
8
42°
22°
9
62°
34°
10
52°
38°
11
47°
31°
12
48°
28°
13
59°
42°
14
49°
42°
15
49°
41°
16
59°
43°
17
66°
43°
18
73°
40°
19
46°
28°
20
38°
28°
21
46°
36°
22
52°
38°
23
54°
40°
24
58°
44°
25
61°
43°
26
56°
42°
27
56°
42°
28
53°
41°
29
57°
41°
30
59°
42°
1
58°
44°
2
51°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Châteauguay
Châteauguay's April 2026 forecast shows daily high temperatures ranging from 38° to 73°, with overnight lows between 28° and 44°. The average high for April is 55° 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 April weather will actually feel in Châteauguay. See also: May | June | July.
