S
M
T
W
T
F
S
26
61°
41°
27
64°
41°
28
59°
46°
29
59°
50°
30
63°
49°
1
73°
48°
2
68°
51°
3
68°
54°
4
61°
52°
5
60°
48°
6
58°
45°
7
55°
41°
8
64°
39°
9
64°
43°
10
55°
39°
11
55°
34°
12
63°
34°
13
59°
43°
14
50°
39°
15
57°
41°
16
59°
41°
17
64°
48°
18
59°
46°
19
64°
51°
20
68°
54°
21
73°
52°
22
80°
50°
23
84°
57°
24
75°
54°
25
85°
57°
26
83°
56°
27
67°
54°
28
75°
58°
29
75°
56°
30
72°
56°
31
73°
57°
1
71°
58°
2
69°
52°
3
66°
52°
4
64°
51°
5
66°
50°
6
65°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in West Mersea
West Mersea's May 2026 forecast shows daily high temperatures ranging from 64° to 85°, with overnight lows between 50° and 58°. The average high for May is 72° with an average low of 54°. 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 West Mersea. See also: June | July | August.