S
M
T
W
T
F
S
26
54°
24°
27
40°
32°
28
44°
27°
29
37°
29°
30
43°
23°
1
49°
20°
2
57°
20°
3
59°
31°
4
50°
27°
5
38°
24°
6
36°
27°
7
38°
27°
8
53°
22°
9
44°
29°
10
38°
29°
11
53°
31°
12
45°
38°
13
59°
36°
14
68°
35°
15
69°
44°
16
45°
31°
17
54°
24°
18
45°
34°
19
36°
27°
20
53°
22°
21
66°
31°
22
70°
40°
23
50°
43°
24
63°
42°
25
80°
44°
26
76°
43°
27
69°
42°
28
81°
44°
29
90°
52°
30
83°
61°
31
84°
49°
1
81°
46°
2
83°
52°
3
82°
55°
4
78°
57°
5
73°
50°
6
76°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sioux Lookout
Sioux Lookout's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Sioux Lookout. See also: June | July | August.
