S
M
T
W
T
F
S
29
37°
19°
30
36°
26°
31
26°
17°
1
24°
6°
2
34°
-2°
3
36°
28°
4
37°
32°
5
37°
14°
6
22°
-3°
7
24°
14°
8
38°
32°
9
45°
17°
10
35°
27°
11
42°
25°
12
43°
24°
13
44°
28°
14
45°
27°
15
44°
25°
16
42°
27°
17
44°
33°
18
49°
31°
19
50°
32°
20
48°
32°
21
45°
30°
22
48°
30°
23
50°
35°
24
52°
30°
25
41°
27°
26
43°
24°
27
47°
26°
28
48°
27°
29
43°
28°
30
48°
31°
1
49°
27°
2
46°
28°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lac-Simon
Lac-Simon's April 2026 forecast shows daily high temperatures ranging from 22° to 52°, with overnight lows between -3° and 35°. The average high for April is 43° with an average low of 26°. 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 Lac-Simon. See also: May | June | July.