S
M
T
W
T
F
S
29
55°
43°
30
54°
45°
31
55°
52°
1
55°
41°
2
50°
36°
3
52°
41°
4
52°
37°
5
48°
37°
6
54°
36°
7
59°
46°
8
59°
50°
9
54°
39°
10
48°
36°
11
52°
39°
12
52°
39°
13
52°
36°
14
52°
43°
15
59°
48°
16
57°
46°
17
57°
48°
18
55°
43°
19
54°
39°
20
54°
36°
21
55°
45°
22
57°
43°
23
57°
43°
24
63°
39°
25
66°
36°
26
59°
45°
27
59°
44°
28
59°
43°
29
59°
45°
30
62°
48°
1
59°
46°
2
55°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Carrickfergus
Carrickfergus's April 2026 forecast shows daily high temperatures ranging from 55° to 62°, with overnight lows between 43° and 48°. The average high for April is 59° with an average low of 45°. 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 Carrickfergus. See also: May | June | July.