S
M
T
W
T
F
S
27
82°
66°
28
83°
66°
29
81°
65°
30
81°
65°
1
82°
64°
2
81°
65°
3
80°
64°
4
85°
63°
5
85°
63°
6
84°
64°
7
82°
63°
8
80°
63°
9
82°
62°
10
83°
61°
11
84°
61°
12
82°
59°
13
83°
59°
14
83°
58°
15
82°
57°
16
84°
59°
17
83°
58°
18
82°
59°
19
84°
58°
20
82°
57°
21
84°
57°
22
83°
56°
23
84°
57°
24
84°
57°
25
83°
56°
26
83°
57°
27
84°
48°
28
82°
49°
29
74°
55°
30
80°
54°
31
78°
47°
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 74° to 85°, with overnight lows between 47° and 66°. The average high for October is 82° with an average low of 59°. 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.
