S
M
T
W
T
F
S
29
25°
18°
30
27°
16°
31
32°
6°
1
40°
14°
2
32°
28°
3
40°
33°
4
43°
26°
5
36°
25°
6
46°
36°
7
44°
24°
8
34°
18°
9
35°
18°
10
39°
20°
11
47°
29°
12
46°
27°
13
44°
31°
14
51°
31°
15
53°
33°
16
46°
39°
17
56°
34°
18
59°
35°
19
59°
35°
20
57°
34°
21
48°
29°
22
46°
26°
23
48°
27°
24
49°
33°
25
48°
27°
26
49°
35°
27
50°
32°
28
56°
36°
29
60°
37°
30
61°
38°
1
62°
39°
2
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Calgary
Calgary's April 2026 forecast shows daily high temperatures ranging from 34° to 62°, with overnight lows between 18° and 39°. The average high for April is 49° with an average low of 31°. 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 Calgary. See also: May | June | July.