S
M
T
W
T
F
S
27
73°
54°
28
75°
53°
29
75°
50°
30
69°
47°
1
68°
50°
2
69°
52°
3
73°
48°
4
72°
51°
5
71°
51°
6
65°
50°
7
72°
52°
8
71°
49°
9
65°
44°
10
61°
46°
11
66°
42°
12
62°
43°
13
66°
48°
14
69°
48°
15
70°
47°
16
69°
47°
17
69°
44°
18
59°
42°
19
58°
46°
20
61°
46°
21
67°
45°
22
66°
36°
23
54°
34°
24
54°
37°
25
58°
44°
26
66°
39°
27
58°
32°
28
57°
32°
29
59°
36°
30
62°
42°
31
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Somerville
Somerville's October 2026 forecast shows daily high temperatures ranging from 54° to 75°, with overnight lows between 32° and 54°. The average high for October is 66° 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 Somerville. See also: November | December | January.
