S
M
T
W
T
F
S
29
53°
41°
30
50°
42°
31
54°
47°
1
53°
38°
2
48°
32°
3
50°
38°
4
49°
36°
5
46°
37°
6
52°
34°
7
63°
43°
8
55°
50°
9
51°
40°
10
48°
36°
11
51°
43°
12
52°
36°
13
50°
37°
14
53°
49°
15
57°
47°
16
56°
47°
17
56°
44°
18
53°
41°
19
52°
42°
20
54°
44°
21
55°
42°
22
54°
41°
23
53°
42°
24
51°
42°
25
56°
43°
26
54°
42°
27
54°
45°
28
56°
43°
29
56°
44°
30
53°
44°
1
54°
43°
2
53°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Portrush
Portrush's April 2026 forecast shows daily high temperatures ranging from 50° to 57°, with overnight lows between 36° and 49°. The average high for April is 54° with an average low of 43°. 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 Portrush. See also: May | June | July.
