S
M
T
W
T
F
S
29
49°
23°
30
61°
29°
31
41°
33°
1
38°
28°
2
42°
26°
3
69°
36°
4
39°
31°
5
50°
32°
6
40°
24°
7
31°
18°
8
44°
15°
9
65°
28°
10
47°
35°
11
48°
29°
12
47°
42°
13
63°
44°
14
55°
43°
15
62°
50°
16
63°
43°
17
67°
43°
18
63°
49°
19
59°
34°
20
51°
34°
21
57°
40°
22
61°
42°
23
61°
44°
24
62°
34°
25
50°
30°
26
56°
38°
27
51°
35°
28
53°
36°
29
52°
33°
30
52°
31°
1
54°
30°
2
51°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Arnprior
Arnprior's April 2026 forecast shows daily high temperatures ranging from 47° to 67°, with overnight lows between 29° and 50°. The average high for April is 56° with an average low of 38°. 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 Arnprior. See also: May | June | July.
