S
M
T
W
T
F
S
29
48°
37°
30
46°
37°
31
46°
37°
1
50°
39°
2
54°
36°
3
61°
32°
4
66°
46°
5
75°
43°
6
72°
48°
7
73°
45°
8
73°
46°
9
77°
46°
10
73°
46°
11
73°
46°
12
59°
46°
13
50°
45°
14
55°
43°
15
61°
48°
16
68°
43°
17
70°
43°
18
72°
45°
19
70°
50°
20
64°
41°
21
63°
45°
22
63°
45°
23
68°
41°
24
73°
41°
25
77°
44°
26
75°
46°
27
75°
47°
28
68°
44°
29
61°
45°
30
65°
43°
1
63°
44°
2
63°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Onex
Onex's April 2026 forecast shows daily high temperatures ranging from 61° to 77°, with overnight lows between 41° and 47°. The average high for April is 69° 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 April weather will actually feel in Onex. See also: May | June | July.
