S
M
T
W
T
F
S
29
52°
25°
30
72°
41°
31
54°
41°
1
70°
33°
2
37°
36°
3
63°
37°
4
55°
39°
5
50°
39°
6
50°
39°
7
44°
22°
8
50°
26°
9
60°
36°
10
69°
49°
11
60°
35°
12
60°
43°
13
70°
56°
14
64°
42°
15
56°
41°
16
57°
38°
17
57°
43°
18
60°
43°
19
64°
39°
20
58°
36°
21
63°
40°
22
62°
41°
23
54°
42°
24
59°
41°
25
63°
37°
26
54°
35°
27
55°
36°
28
56°
37°
29
56°
36°
30
56°
36°
1
57°
39°
2
58°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Brookline
Brookline's April 2026 forecast shows daily high temperatures ranging from 44° to 70°, with overnight lows between 22° and 56°. The average high for April is 59° with an average low of 39°. 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 Brookline. See also: May | June | July.