S
M
T
W
T
F
S
26
66°
39°
27
70°
41°
28
59°
45°
29
68°
43°
30
72°
48°
1
63°
46°
2
63°
43°
3
61°
50°
4
64°
52°
5
61°
48°
6
59°
48°
7
63°
46°
8
66°
48°
9
68°
46°
10
59°
39°
11
55°
34°
12
61°
36°
13
57°
45°
14
N/A
15
57°
38°
16
54°
44°
17
58°
44°
18
55°
50°
19
60°
51°
20
65°
50°
21
68°
52°
22
69°
51°
23
69°
53°
24
69°
51°
25
68°
50°
26
67°
51°
27
60°
47°
28
61°
45°
29
60°
45°
30
61°
48°
31
61°
50°
1
65°
51°
2
67°
52°
3
68°
52°
4
67°
51°
5
66°
52°
6
64°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Crewkerne
Crewkerne's May 2026 forecast shows daily high temperatures ranging from 54° to 69°, with overnight lows between 38° and 53°. The average high for May is 63° with an average low of 49°. 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 Crewkerne. See also: June | July | August.