S
M
T
W
T
F
S
27
72°
51°
28
72°
51°
29
73°
43°
30
71°
43°
1
65°
44°
2
66°
45°
3
69°
48°
4
71°
48°
5
65°
48°
6
67°
48°
7
69°
49°
8
70°
46°
9
71°
45°
10
68°
42°
11
63°
43°
12
63°
44°
13
59°
44°
14
59°
42°
15
62°
44°
16
65°
45°
17
66°
42°
18
67°
37°
19
61°
39°
20
57°
33°
21
58°
35°
22
55°
42°
23
59°
41°
24
63°
37°
25
59°
34°
26
55°
33°
27
54°
40°
28
55°
36°
29
61°
31°
30
61°
30°
31
50°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Southborough
Southborough's October 2026 forecast shows daily high temperatures ranging from 50° to 73°, with overnight lows between 30° and 51°. The average high for October is 63° with an average low of 42°. 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 Southborough. See also: November | December | January.
