S
M
T
W
T
F
S
26
67°
43°
27
58°
44°
28
53°
34°
29
46°
28°
30
40°
25°
1
45°
26°
2
58°
23°
3
67°
40°
4
60°
37°
5
42°
33°
6
39°
32°
7
49°
28°
8
62°
25°
9
51°
30°
10
44°
24°
11
56°
22°
12
67°
35°
13
58°
33°
14
69°
28°
15
81°
50°
16
75°
39°
17
55°
35°
18
69°
45°
19
49°
32°
20
55°
32°
21
64°
38°
22
61°
45°
23
63°
47°
24
68°
47°
25
72°
50°
26
76°
49°
27
72°
49°
28
71°
48°
29
72°
49°
30
71°
49°
31
70°
50°
1
73°
51°
2
68°
50°
3
64°
48°
4
65°
49°
5
71°
52°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Powell
Powell's May 2026 forecast shows daily high temperatures ranging from 49° to 76°, with overnight lows between 32° and 53°. The average high for May is 67° with an average low of 47°. 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 Powell. See also: June | July | August.