S
M
T
W
T
F
S
29
66°
46°
30
85°
60°
31
83°
55°
1
55°
44°
2
76°
47°
3
77°
46°
4
72°
42°
5
56°
36°
6
56°
41°
7
47°
35°
8
75°
40°
9
79°
52°
10
68°
45°
11
68°
62°
12
73°
66°
13
84°
67°
14
86°
68°
15
74°
59°
16
79°
59°
17
81°
56°
18
61°
37°
19
58°
40°
20
68°
52°
21
74°
55°
22
76°
58°
23
76°
52°
24
68°
46°
25
61°
45°
26
62°
41°
27
62°
47°
28
63°
47°
29
68°
48°
30
62°
45°
1
65°
52°
2
65°
54°
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 58° to 86°, with overnight lows between 37° and 68°. The average high for April is 70° with an average low of 53°. 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.
