S
M
T
W
T
F
S
27
68°
46°
28
72°
49°
29
73°
50°
30
74°
50°
1
73°
49°
2
72°
50°
3
73°
50°
4
72°
49°
5
71°
50°
6
72°
50°
7
71°
49°
8
69°
49°
9
69°
45°
10
69°
47°
11
64°
47°
12
62°
46°
13
61°
43°
14
60°
42°
15
58°
46°
16
63°
43°
17
63°
45°
18
66°
43°
19
65°
42°
20
66°
45°
21
67°
42°
22
67°
43°
23
65°
38°
24
64°
37°
25
59°
43°
26
57°
43°
27
65°
39°
28
62°
33°
29
57°
33°
30
51°
30°
31
51°
30°
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 51° to 74°, with overnight lows between 30° and 50°. The average high for October is 65° with an average low of 44°. 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.