S
M
T
W
T
F
S
26
63°
50°
27
70°
50°
28
71°
46°
29
71°
46°
30
72°
49°
1
73°
51°
2
76°
45°
3
81°
52°
4
76°
54°
5
74°
50°
6
72°
45°
7
82°
53°
8
91°
56°
9
90°
56°
10
93°
55°
11
94°
60°
12
96°
64°
13
93°
64°
14
89°
59°
15
93°
62°
16
91°
63°
17
90°
62°
18
90°
60°
19
83°
53°
20
78°
58°
21
77°
54°
22
77°
54°
23
78°
55°
24
78°
55°
25
80°
58°
26
86°
60°
27
89°
62°
28
87°
60°
29
88°
62°
30
90°
63°
31
91°
64°
1
91°
64°
2
90°
63°
3
92°
64°
4
88°
65°
5
83°
64°
6
82°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lake Powell
Lake Powell's May 2026 forecast shows daily high temperatures ranging from 72° to 96°, with overnight lows between 45° and 65°. The average high for May is 87° with an average low of 59°. 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 Lake Powell. See also: June | July | August.
