S
M
T
W
T
F
S
28
78°
59°
29
88°
56°
30
80°
61°
1
74°
60°
2
83°
54°
3
87°
61°
4
88°
63°
5
84°
64°
6
82°
63°
7
63°
50°
8
64°
46°
9
64°
42°
10
65°
45°
11
66°
50°
12
68°
48°
13
68°
52°
14
69°
54°
15
61°
54°
16
66°
54°
17
73°
54°
18
73°
59°
19
60°
42°
20
65°
37°
21
54°
45°
22
49°
43°
23
53°
35°
24
54°
32°
25
55°
31°
26
59°
41°
27
58°
44°
28
59°
46°
29
56°
46°
30
56°
38°
31
54°
38°
1
50°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Northbrook
Northbrook's October 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for October is ° with an average low of °. 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 Northbrook. See also: November | December | January.
