S
M
T
W
T
F
S
26
51°
38°
27
50°
37°
28
51°
37°
29
51°
41°
30
52°
43°
1
53°
42°
2
52°
38°
3
52°
38°
4
53°
39°
5
52°
40°
6
52°
39°
7
53°
38°
8
53°
39°
9
55°
45°
10
59°
45°
11
58°
46°
12
59°
44°
13
54°
42°
14
55°
45°
15
55°
43°
16
54°
41°
17
54°
41°
18
55°
42°
19
54°
41°
20
54°
41°
21
55°
42°
22
58°
45°
23
57°
41°
24
60°
47°
25
62°
47°
26
60°
42°
27
61°
48°
28
61°
47°
29
63°
48°
30
62°
48°
31
62°
47°
1
62°
47°
2
63°
42°
3
64°
43°
4
63°
48°
5
64°
48°
6
63°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kilmarnock
Kilmarnock's May 2026 forecast shows daily high temperatures ranging from 50° to 64°, with overnight lows between 37° and 48°. The average high for May is 57° 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 May weather will actually feel in Kilmarnock. See also: June | July | August.
