S
M
T
W
T
F
S
26
75°
63°
27
77°
61°
28
84°
59°
29
90°
63°
30
93°
66°
1
95°
72°
2
95°
72°
3
97°
70°
4
79°
68°
5
79°
63°
6
88°
61°
7
99°
66°
8
104°
73°
9
106°
75°
10
108°
75°
11
109°
79°
12
107°
78°
13
101°
72°
14
101°
74°
15
102°
75°
16
103°
72°
17
97°
72°
18
100°
69°
19
99°
71°
20
97°
70°
21
99°
70°
22
97°
69°
23
97°
67°
24
98°
67°
25
97°
70°
26
93°
66°
27
91°
65°
28
92°
69°
29
94°
68°
30
94°
67°
31
93°
67°
1
94°
71°
2
98°
74°
3
103°
76°
4
103°
77°
5
105°
76°
6
105°
77°
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 91° to 107°, with overnight lows between 65° and 78°. The average high for May is 98° with an average low of 71°. 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.