S
M
T
W
T
F
S
27
58°
56°
28
56°
54°
29
66°
54°
30
70°
56°
1
75°
63°
2
82°
51°
3
70°
42°
4
65°
51°
5
67°
41°
6
61°
35°
7
66°
42°
8
72°
44°
9
69°
43°
10
66°
40°
11
66°
42°
12
69°
44°
13
68°
42°
14
65°
38°
15
59°
36°
16
62°
38°
17
67°
43°
18
67°
42°
19
62°
43°
20
63°
42°
21
67°
40°
22
59°
38°
23
60°
41°
24
65°
40°
25
61°
39°
26
62°
37°
27
57°
39°
28
55°
34°
29
58°
37°
30
58°
37°
31
57°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Acton
Acton's October 2026 forecast shows daily high temperatures ranging from 55° to 82°, with overnight lows between 34° and 63°. The average high for October is 65° with an average low of 41°. 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 Acton. See also: November | December | January.