S
M
T
W
T
F
S
29
51°
29°
30
67°
40°
31
56°
40°
1
71°
40°
2
42°
37°
3
68°
38°
4
62°
38°
5
57°
40°
6
51°
38°
7
46°
35°
8
40°
29°
9
58°
31°
10
64°
49°
11
59°
38°
12
54°
45°
13
68°
59°
14
70°
55°
15
74°
60°
16
69°
56°
17
68°
52°
18
60°
42°
19
52°
45°
20
54°
44°
21
57°
48°
22
60°
51°
23
64°
43°
24
56°
48°
25
57°
47°
26
55°
46°
27
55°
46°
28
56°
45°
29
55°
44°
30
56°
43°
1
57°
51°
2
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Downtown Boston
Downtown Boston's April 2026 forecast shows daily high temperatures ranging from 52° to 74°, with overnight lows between 38° and 60°. The average high for April is 60° with an average low of 48°. 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 Downtown Boston. See also: May | June | July.
