S
M
T
W
T
F
S
26
55°
38°
27
55°
40°
28
56°
37°
29
54°
41°
30
54°
41°
1
55°
40°
2
54°
38°
3
54°
38°
4
53°
39°
5
54°
38°
6
54°
38°
7
55°
39°
8
54°
43°
9
57°
43°
10
55°
44°
11
56°
42°
12
57°
40°
13
56°
42°
14
56°
43°
15
61°
42°
16
62°
45°
17
62°
46°
18
63°
46°
19
63°
45°
20
60°
46°
21
58°
45°
22
61°
46°
23
61°
45°
24
60°
45°
25
64°
45°
26
65°
48°
27
65°
42°
28
61°
47°
29
60°
47°
30
62°
44°
31
61°
47°
1
63°
47°
2
65°
43°
3
61°
44°
4
61°
45°
5
62°
42°
6
61°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Kirkcowan
Kirkcowan's May 2026 forecast shows daily high temperatures ranging from 53° to 65°, with overnight lows between 37° and 48°. The average high for May is 59° 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 Kirkcowan. See also: June | July | August.