S
M
T
W
T
F
S
27
69°
51°
28
64°
57°
29
68°
57°
30
74°
54°
1
77°
61°
2
72°
50°
3
64°
43°
4
69°
46°
5
61°
44°
6
58°
39°
7
71°
46°
8
66°
49°
9
65°
44°
10
69°
43°
11
63°
55°
12
66°
53°
13
79°
63°
14
65°
50°
15
58°
49°
16
70°
43°
17
47°
36°
18
60°
37°
19
64°
40°
20
64°
39°
21
63°
34°
22
63°
34°
23
59°
40°
24
65°
38°
25
64°
46°
26
65°
37°
27
55°
40°
28
65°
50°
29
71°
55°
30
63°
42°
31
62°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Boston
Boston's October 2026 forecast shows daily high temperatures ranging from 55° to 71°, with overnight lows between 37° and 55°. The average high for October is 64° with an average low of 45°. 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 Boston. See also: November | December | January.
