S
M
T
W
T
F
S
27
86°
55°
28
88°
55°
29
90°
57°
30
90°
63°
1
90°
70°
2
90°
72°
3
88°
72°
4
79°
72°
5
73°
70°
6
73°
68°
7
81°
68°
8
82°
68°
9
72°
68°
10
86°
72°
11
82°
63°
12
88°
61°
13
88°
59°
14
89°
61°
15
89°
64°
16
88°
61°
17
72°
51°
18
71°
49°
19
78°
56°
20
78°
59°
21
82°
60°
22
81°
58°
23
83°
59°
24
82°
59°
25
84°
58°
26
83°
60°
27
82°
52°
28
77°
52°
29
72°
50°
30
80°
56°
31
72°
54°
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 71° to 89°, with overnight lows between 49° and 64°. The average high for October is 80° with an average low of 57°. 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.
