S
M
T
W
T
F
S
29
41°
-8°
30
32°
11°
31
26°
10°
1
32°
0°
2
36°
22°
3
43°
26°
4
31°
18°
5
39°
7°
6
22°
0°
7
35°
-9°
8
31°
26°
9
29°
22°
10
38°
17°
11
50°
16°
12
41°
35°
13
41°
28°
14
46°
28°
15
50°
27°
16
49°
28°
17
40°
23°
18
23°
12°
19
29°
8°
20
49°
6°
21
53°
23°
22
68°
35°
23
52°
37°
24
48°
26°
25
58°
32°
26
55°
36°
27
50°
33°
28
44°
26°
29
40°
26°
30
44°
25°
1
47°
30°
2
56°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sioux Lookout
Sioux Lookout's April 2026 forecast shows daily high temperatures ranging from 40° to 58°, with overnight lows between 25° and 36°. The average high for April is 49° 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 Sioux Lookout. See also: May | June | July.
