S
M
T
W
T
F
S
27
72°
30°
28
53°
35°
29
69°
32°
30
76°
38°
1
79°
40°
2
79°
39°
3
77°
40°
4
78°
41°
5
74°
40°
6
71°
39°
7
73°
38°
8
69°
37°
9
69°
35°
10
68°
34°
11
62°
31°
12
66°
37°
13
66°
37°
14
65°
36°
15
60°
30°
16
54°
26°
17
53°
31°
18
53°
29°
19
54°
34°
20
53°
29°
21
53°
31°
22
54°
34°
23
53°
33°
24
52°
30°
25
55°
31°
26
56°
31°
27
58°
32°
28
57°
31°
29
53°
28°
30
49°
22°
31
49°
22°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Mammoth Lakes
Mammoth Lakes's October 2026 forecast shows daily high temperatures ranging from 49° to 79°, with overnight lows between 22° and 41°. The average high for October is 62° with an average low of 33°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Mammoth Lakes. See also: November | December | January.
