S
M
T
W
T
F
S
29
45°
23°
30
60°
38°
31
41°
31°
1
36°
29°
2
45°
27°
3
59°
37°
4
49°
33°
5
48°
37°
6
38°
27°
7
31°
22°
8
42°
19°
9
65°
31°
10
53°
40°
11
44°
28°
12
51°
25°
13
58°
44°
14
52°
42°
15
53°
42°
16
69°
46°
17
65°
44°
18
73°
42°
19
56°
33°
20
40°
26°
21
47°
21°
22
60°
38°
23
55°
30°
24
54°
31°
25
60°
37°
26
60°
42°
27
68°
48°
28
65°
45°
29
59°
43°
30
60°
40°
1
55°
40°
2
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Saint-Hyacinthe
Saint-Hyacinthe's April 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 30° and 48°. The average high for April is 59° with an average low of 40°. 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 Saint-Hyacinthe. See also: May | June | July.
