S
M
T
W
T
F
S
27
69°
32°
28
72°
31°
29
77°
33°
30
79°
34°
1
81°
40°
2
82°
37°
3
84°
35°
4
84°
36°
5
84°
38°
6
85°
38°
7
86°
38°
8
87°
39°
9
78°
39°
10
56°
34°
11
54°
27°
12
57°
22°
13
63°
31°
14
63°
29°
15
65°
30°
16
67°
33°
17
65°
33°
18
65°
29°
19
64°
32°
20
68°
31°
21
66°
27°
22
66°
34°
23
65°
34°
24
64°
34°
25
64°
33°
26
63°
34°
27
63°
33°
28
62°
33°
29
61°
32°
30
61°
32°
31
51°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Altamont
Altamont's October 2026 forecast shows daily high temperatures ranging from 51° to 87°, with overnight lows between 22° and 39°. The average high for October is 64° with an average low of 32°. 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 Altamont. See also: November | December | January.