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
47°
29°
13
69°
38°
14
72°
47°
15
60°
43°
16
63°
50°
17
63°
48°
18
65°
39°
19
44°
30°
20
40°
27°
21
46°
24°
22
61°
34°
23
63°
37°
24
50°
43°
25
51°
34°
26
56°
38°
27
62°
45°
28
56°
44°
29
50°
39°
30
52°
35°
1
47°
36°
2
47°
35°
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 47° to 62°, with overnight lows between 35° and 45°. The average high for April is 53° 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 Oshawa. See also: May | June | July.
