S
M
T
W
T
F
S
26
30°
22°
27
41°
18°
28
51°
27°
29
53°
36°
30
62°
41°
1
60°
32°
2
58°
36°
3
59°
38°
4
65°
42°
5
56°
40°
6
55°
36°
7
56°
36°
8
56°
37°
9
58°
39°
10
59°
42°
11
60°
40°
12
53°
32°
13
63°
35°
14
66°
36°
15
67°
41°
16
65°
38°
17
54°
36°
18
55°
32°
19
56°
35°
20
61°
41°
21
66°
43°
22
66°
44°
23
65°
42°
24
59°
43°
25
68°
41°
26
63°
43°
27
64°
44°
28
64°
45°
29
61°
42°
30
63°
39°
31
61°
41°
1
64°
42°
2
62°
41°
3
69°
46°
4
71°
48°
5
71°
44°
6
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Fort McMurray
Fort McMurray's May 2026 forecast shows daily high temperatures ranging from 51° to 71°, with overnight lows between 27° and 48°. The average high for May is 61° with an average low of 40°. 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 Fort McMurray. See also: June | July | August.
