S
M
T
W
T
F
S
26
48°
35°
27
53°
32°
28
54°
29°
29
60°
37°
30
62°
36°
1
62°
36°
2
63°
38°
3
64°
39°
4
65°
38°
5
63°
37°
6
63°
40°
7
65°
39°
8
62°
36°
9
53°
33°
10
63°
39°
11
64°
40°
12
63°
40°
13
58°
38°
14
65°
41°
15
68°
43°
16
67°
42°
17
68°
43°
18
65°
29°
19
57°
32°
20
58°
32°
21
57°
31°
22
58°
36°
23
63°
40°
24
62°
43°
25
61°
44°
26
70°
39°
27
66°
44°
28
69°
39°
29
61°
39°
30
64°
40°
31
70°
42°
1
73°
41°
2
73°
47°
3
75°
44°
4
73°
37°
5
61°
36°
6
69°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Atikokan
Atikokan's May 2026 forecast shows daily high temperatures ranging from 48° to 75°, with overnight lows between 29° and 48°. The average high for May is 63° with an average low of 38°. 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 Atikokan. See also: June | July | August.