S
M
T
W
T
F
S
26
N/A
27
58°
47°
28
54°
38°
29
57°
41°
30
62°
42°
1
61°
48°
2
58°
44°
3
54°
42°
4
56°
43°
5
56°
42°
6
55°
40°
7
56°
41°
8
55°
40°
9
52°
44°
10
53°
43°
11
53°
45°
12
55°
42°
13
54°
44°
14
53°
45°
15
57°
46°
16
58°
45°
17
56°
41°
18
57°
47°
19
59°
48°
20
60°
47°
21
59°
47°
22
60°
48°
23
61°
46°
24
60°
47°
25
60°
47°
26
57°
46°
27
57°
45°
28
60°
46°
29
57°
44°
30
61°
48°
31
62°
48°
1
62°
49°
2
63°
49°
3
62°
48°
4
61°
49°
5
62°
49°
6
59°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Longniddry
Longniddry's May 2026 forecast shows daily high temperatures ranging from 52° to 63°, with overnight lows between 38° and 49°. The average high for May is 58° with an average low of 45°. 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 Longniddry. See also: June | July | August.