S
M
T
W
T
F
S
29
82°
36°
30
87°
33°
31
57°
36°
1
40°
34°
2
49°
37°
3
47°
35°
4
55°
30°
5
68°
22°
6
50°
33°
7
59°
30°
8
63°
33°
9
57°
29°
10
60°
47°
11
71°
58°
12
87°
50°
13
84°
49°
14
75°
44°
15
69°
41°
16
75°
39°
17
66°
42°
18
72°
45°
19
68°
39°
20
64°
37°
21
65°
39°
22
62°
35°
23
59°
40°
24
60°
41°
25
59°
40°
26
58°
42°
27
57°
44°
28
65°
44°
29
69°
43°
30
66°
42°
1
59°
37°
2
58°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Belfast
Belfast's April 2026 forecast shows daily high temperatures ranging from 57° to 87°, with overnight lows between 29° and 58°. The average high for April is 66° with an average low of 42°. 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 Belfast. See also: May | June | July.
