S
M
T
W
T
F
S
29
46°
31°
30
65°
27°
31
48°
37°
1
44°
30°
2
47°
29°
3
72°
38°
4
47°
35°
5
48°
34°
6
45°
30°
7
33°
16°
8
42°
30°
9
56°
33°
10
42°
29°
11
49°
27°
12
54°
43°
13
56°
47°
14
48°
27°
15
41°
30°
16
45°
33°
17
52°
37°
18
50°
37°
19
53°
33°
20
54°
32°
21
56°
37°
22
48°
39°
23
57°
40°
24
58°
36°
25
49°
34°
26
49°
31°
27
50°
32°
28
54°
33°
29
50°
33°
30
50°
35°
1
51°
33°
2
51°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Northbrook
Northbrook's April 2026 forecast shows daily high temperatures ranging from 33° to 58°, with overnight lows between 16° and 47°. The average high for April is 50° with an average low of 33°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Northbrook. See also: May | June | July.
