S
M
T
W
T
F
S
26
50°
32°
27
50°
30°
28
50°
25°
29
59°
19°
30
63°
36°
1
65°
34°
2
63°
37°
3
58°
33°
4
52°
37°
5
50°
31°
6
60°
36°
7
64°
37°
8
60°
39°
9
54°
38°
10
61°
37°
11
66°
38°
12
68°
40°
13
70°
44°
14
60°
34°
15
53°
30°
16
54°
31°
17
55°
30°
18
55°
30°
19
54°
31°
20
55°
31°
21
59°
36°
22
64°
37°
23
65°
38°
24
63°
38°
25
66°
39°
26
65°
38°
27
66°
39°
28
65°
36°
29
65°
36°
30
62°
34°
31
59°
34°
1
60°
35°
2
63°
38°
3
67°
39°
4
66°
40°
5
64°
40°
6
61°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mammoth Lakes
Mammoth Lakes's May 2026 forecast shows daily high temperatures ranging from 50° to 70°, with overnight lows between 30° and 44°. The average high for May is 61° with an average low of 36°. 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 Mammoth Lakes. See also: June | July | August.
