S
M
T
W
T
F
S
27
72°
44°
28
71°
43°
29
64°
46°
30
66°
49°
1
65°
49°
2
68°
52°
3
72°
51°
4
72°
51°
5
71°
50°
6
71°
52°
7
72°
43°
8
69°
40°
9
59°
39°
10
58°
39°
11
59°
42°
12
58°
47°
13
64°
50°
14
68°
47°
15
69°
42°
16
67°
42°
17
65°
37°
18
56°
39°
19
57°
35°
20
54°
44°
21
54°
44°
22
58°
43°
23
63°
38°
24
54°
33°
25
52°
34°
26
50°
42°
27
52°
33°
28
52°
31°
29
51°
30°
30
46°
32°
31
49°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Barrington
Barrington's October 2026 forecast shows daily high temperatures ranging from 46° to 72°, with overnight lows between 30° and 52°. The average high for October is 61° 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 Barrington. See also: November | December | January.
