S
M
T
W
T
F
S
26
59°
30°
27
67°
31°
28
68°
35°
29
68°
45°
30
52°
42°
1
47°
34°
2
51°
32°
3
53°
31°
4
55°
29°
5
72°
45°
6
54°
43°
7
56°
42°
8
54°
38°
9
63°
37°
10
62°
46°
11
56°
36°
12
50°
33°
13
58°
32°
14
51°
43°
15
64°
41°
16
74°
45°
17
64°
47°
18
57°
40°
19
53°
43°
20
76°
43°
21
53°
38°
22
63°
31°
23
65°
34°
24
72°
36°
25
58°
50°
26
77°
48°
27
54°
41°
28
52°
38°
29
52°
38°
30
62°
40°
31
N/A
1
64°
40°
2
67°
40°
3
78°
49°
4
79°
54°
5
73°
52°
6
70°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Clayton Lake
Clayton Lake's May 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 40° and 54°. The average high for May is 72° 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 Clayton Lake. See also: June | July | August.