S
M
T
W
T
F
S
29
24°
20°
30
30°
14°
31
35°
8°
1
40°
16°
2
32°
28°
3
48°
18°
4
47°
25°
5
34°
27°
6
40°
26°
7
43°
26°
8
42°
25°
9
46°
28°
10
57°
23°
11
56°
23°
12
42°
32°
13
61°
31°
14
58°
29°
15
34°
18°
16
28°
12°
17
45°
11°
18
56°
21°
19
71°
24°
20
71°
39°
21
64°
39°
22
46°
29°
23
40°
23°
24
41°
20°
25
40°
22°
26
45°
22°
27
49°
27°
28
54°
30°
29
53°
33°
30
56°
33°
1
57°
32°
2
51°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sylvan Lake
Sylvan Lake's April 2026 forecast shows daily high temperatures ranging from 40° to 71°, with overnight lows between 20° and 39°. The average high for April is 51° with an average low of 29°. 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 Sylvan Lake. See also: May | June | July.
