S
M
T
W
T
F
S
26
55°
39°
27
56°
40°
28
57°
41°
29
56°
40°
30
58°
40°
1
59°
43°
2
59°
43°
3
58°
42°
4
59°
39°
5
58°
39°
6
58°
41°
7
57°
40°
8
58°
40°
9
58°
40°
10
59°
41°
11
60°
39°
12
60°
42°
13
58°
44°
14
61°
45°
15
59°
45°
16
60°
46°
17
59°
47°
18
59°
47°
19
61°
46°
20
62°
47°
21
59°
47°
22
58°
46°
23
58°
46°
24
59°
44°
25
58°
42°
26
59°
41°
27
61°
44°
28
63°
46°
29
61°
44°
30
60°
42°
31
61°
42°
1
64°
45°
2
64°
47°
3
63°
48°
4
65°
48°
5
66°
49°
6
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Cartmel
Cartmel's May 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 39° and 49°. The average high for May is 60° 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 Cartmel. See also: June | July | August.