S
M
T
W
T
F
S
26
82°
57°
27
87°
67°
28
73°
58°
29
70°
54°
30
65°
46°
1
69°
46°
2
72°
40°
3
79°
59°
4
82°
63°
5
75°
49°
6
62°
43°
7
66°
45°
8
72°
53°
9
78°
58°
10
72°
53°
11
75°
53°
12
78°
58°
13
81°
58°
14
80°
55°
15
77°
54°
16
79°
59°
17
75°
58°
18
73°
59°
19
79°
59°
20
76°
57°
21
80°
52°
22
72°
51°
23
73°
53°
24
71°
55°
25
70°
53°
26
72°
52°
27
74°
53°
28
74°
54°
29
75°
58°
30
77°
63°
31
76°
62°
1
76°
60°
2
77°
57°
3
75°
63°
4
78°
63°
5
77°
64°
6
78°
64°
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 62° to 82°, with overnight lows between 40° and 64°. The average high for May is 75° with an average low of 56°. 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.