S
M
T
W
T
F
S
26
65°
45°
27
64°
43°
28
59°
40°
29
60°
39°
30
61°
38°
1
61°
39°
2
60°
41°
3
62°
46°
4
63°
42°
5
61°
40°
6
60°
40°
7
62°
44°
8
67°
41°
9
63°
42°
10
61°
41°
11
61°
41°
12
63°
47°
13
74°
53°
14
75°
54°
15
76°
54°
16
75°
49°
17
66°
47°
18
70°
52°
19
75°
54°
20
77°
54°
21
76°
50°
22
67°
47°
23
68°
46°
24
67°
46°
25
74°
53°
26
79°
55°
27
80°
57°
28
79°
55°
29
76°
57°
30
71°
49°
31
74°
54°
1
77°
49°
2
72°
48°
3
70°
47°
4
71°
49°
5
73°
53°
6
77°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in McMurray
McMurray's May 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 38° and 59°. The average high for May is 69° with an average low of 48°. 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 McMurray. See also: June | July | August.