S
M
T
W
T
F
S
29
56°
21°
30
71°
41°
31
79°
58°
1
76°
51°
2
52°
42°
3
62°
41°
4
75°
46°
5
56°
43°
6
53°
36°
7
50°
31°
8
51°
23°
9
59°
26°
10
71°
36°
11
61°
41°
12
64°
30°
13
79°
48°
14
85°
52°
15
87°
57°
16
88°
59°
17
77°
56°
18
73°
53°
19
53°
34°
20
46°
30°
21
53°
38°
22
60°
39°
23
70°
45°
24
64°
43°
25
49°
42°
26
56°
40°
27
59°
43°
28
55°
46°
29
58°
42°
30
60°
45°
1
58°
41°
2
56°
42°
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 49° to 70°, with overnight lows between 38° and 46°. The average high for April is 58° 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.
