S
M
T
W
T
F
S
26
59°
43°
27
59°
41°
28
61°
43°
29
68°
37°
30
70°
46°
1
59°
50°
2
57°
47°
3
57°
45°
4
55°
42°
5
53°
38°
6
54°
38°
7
54°
42°
8
55°
43°
9
57°
44°
10
58°
45°
11
58°
47°
12
59°
48°
13
52°
42°
14
53°
43°
15
54°
47°
16
57°
46°
17
55°
46°
18
56°
45°
19
55°
46°
20
55°
46°
21
56°
45°
22
56°
45°
23
55°
44°
24
55°
43°
25
56°
42°
26
55°
42°
27
56°
47°
28
57°
48°
29
58°
45°
30
56°
43°
31
55°
43°
1
55°
44°
2
56°
44°
3
55°
45°
4
56°
44°
5
56°
44°
6
57°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kilwinning
Kilwinning's May 2026 forecast shows daily high temperatures ranging from 52° to 70°, with overnight lows between 38° and 50°. The average high for May is 56° with an average low of 44°. 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 Kilwinning. See also: June | July | August.
