S
M
T
W
T
F
S
27
77°
57°
28
76°
56°
29
75°
55°
30
74°
54°
1
74°
54°
2
73°
55°
3
75°
54°
4
73°
53°
5
72°
53°
6
72°
52°
7
73°
54°
8
73°
54°
9
72°
53°
10
71°
52°
11
72°
53°
12
66°
44°
13
64°
47°
14
62°
49°
15
59°
47°
16
61°
49°
17
60°
50°
18
67°
45°
19
63°
39°
20
56°
41°
21
55°
45°
22
56°
42°
23
55°
43°
24
58°
49°
25
62°
49°
26
62°
45°
27
64°
35°
28
62°
33°
29
50°
37°
30
52°
38°
31
52°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Amherst
Amherst's October 2026 forecast shows daily high temperatures ranging from 50° to 77°, with overnight lows between 33° and 57°. The average high for October is 65° with an average low of 48°. 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 Amherst. See also: November | December | January.