S
M
T
W
T
F
S
29
47°
30°
30
67°
27°
31
53°
42°
1
42°
32°
2
47°
31°
3
74°
38°
4
50°
35°
5
46°
34°
6
42°
28°
7
33°
20°
8
42°
15°
9
62°
31°
10
47°
35°
11
50°
29°
12
42°
41°
13
67°
47°
14
61°
48°
15
61°
51°
16
64°
47°
17
62°
44°
18
65°
48°
19
54°
35°
20
47°
33°
21
50°
41°
22
58°
46°
23
56°
44°
24
57°
41°
25
55°
39°
26
49°
37°
27
48°
35°
28
50°
35°
29
51°
36°
30
50°
35°
1
51°
35°
2
50°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Oshawa
Oshawa's April 2026 forecast shows daily high temperatures ranging from 42° to 67°, with overnight lows between 33° and 51°. The average high for April is 55° with an average low of 41°. 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 Oshawa. See also: May | June | July.
