S
M
T
W
T
F
S
26
64°
45°
27
66°
48°
28
54°
43°
29
66°
39°
30
72°
43°
1
59°
48°
2
61°
46°
3
61°
48°
4
59°
50°
5
59°
48°
6
57°
45°
7
57°
43°
8
64°
46°
9
66°
43°
10
55°
39°
11
54°
39°
12
57°
41°
13
57°
43°
14
52°
43°
15
55°
41°
16
54°
43°
17
54°
45°
18
54°
45°
19
61°
52°
20
57°
52°
21
70°
54°
22
75°
55°
23
68°
52°
24
81°
50°
25
86°
63°
26
88°
64°
27
86°
61°
28
81°
55°
29
68°
54°
30
70°
52°
31
64°
54°
1
N/A
2
62°
52°
3
64°
51°
4
59°
47°
5
59°
49°
6
59°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Nailsea
Nailsea's May 2026 forecast shows daily high temperatures ranging from 59° to 64°, with overnight lows between 47° and 52°. The average high for May is 61° with an average low of 50°. 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 Nailsea. See also: June | July | August.