S
M
T
W
T
F
S
26
73°
50°
27
69°
43°
28
70°
48°
29
68°
48°
30
56°
39°
1
66°
35°
2
51°
36°
3
57°
30°
4
70°
44°
5
72°
53°
6
64°
51°
7
53°
41°
8
65°
37°
9
66°
49°
10
72°
48°
11
59°
44°
12
68°
42°
13
67°
51°
14
50°
39°
15
65°
33°
16
74°
43°
17
82°
51°
18
85°
53°
19
85°
57°
20
82°
56°
21
68°
61°
22
61°
51°
23
61°
51°
24
73°
54°
25
73°
62°
26
74°
64°
27
73°
62°
28
78°
55°
29
80°
54°
30
68°
48°
31
65°
46°
1
66°
48°
2
69°
51°
3
73°
53°
4
73°
55°
5
72°
56°
6
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in McDowell
McDowell's May 2026 forecast shows daily high temperatures ranging from 65° to 80°, with overnight lows between 46° and 64°. The average high for May is 72° with an average low of 55°. 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 McDowell. See also: June | July | August.