S
M
T
W
T
F
S
29
48°
18°
30
54°
32°
31
40°
33°
1
34°
24°
2
41°
24°
3
56°
34°
4
38°
35°
5
42°
26°
6
38°
15°
7
30°
14°
8
44°
33°
9
55°
30°
10
50°
32°
11
55°
32°
12
58°
37°
13
56°
32°
14
57°
35°
15
58°
34°
16
54°
34°
17
55°
31°
18
57°
32°
19
56°
37°
20
59°
36°
21
59°
37°
22
49°
38°
23
59°
39°
24
61°
34°
25
50°
32°
26
51°
29°
27
53°
29°
28
57°
30°
29
52°
31°
30
53°
34°
1
52°
31°
2
54°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Chalk River
Chalk River's April 2026 forecast shows daily high temperatures ranging from 30° to 61°, with overnight lows between 14° and 39°. The average high for April is 52° with an average low of 32°. 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 Chalk River. See also: May | June | July.
