S
M
T
W
T
F
S
29
52°
41°
30
50°
41°
31
54°
48°
1
54°
32°
2
48°
30°
3
50°
39°
4
50°
39°
5
46°
34°
6
54°
32°
7
68°
43°
8
54°
48°
9
52°
41°
10
50°
41°
11
52°
37°
12
50°
41°
13
52°
34°
14
54°
37°
15
57°
50°
16
57°
46°
17
57°
50°
18
53°
40°
19
53°
36°
20
53°
40°
21
56°
38°
22
58°
38°
23
61°
38°
24
59°
39°
25
58°
41°
26
55°
40°
27
54°
42°
28
56°
46°
29
56°
43°
30
58°
44°
1
57°
43°
2
52°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Kilmarnock
Kilmarnock's April 2026 forecast shows daily high temperatures ranging from 52° to 61°, with overnight lows between 36° and 46°. The average high for April is 56° with an average low of 40°. 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 Kilmarnock. See also: May | June | July.
