S
M
T
W
T
F
S
26
69°
48°
27
70°
47°
28
67°
50°
29
70°
50°
30
74°
49°
1
67°
48°
2
68°
46°
3
64°
50°
4
75°
50°
5
66°
46°
6
64°
45°
7
66°
47°
8
72°
48°
9
68°
47°
10
66°
46°
11
66°
46°
12
68°
50°
13
77°
57°
14
79°
58°
15
79°
58°
16
80°
57°
17
78°
57°
18
73°
56°
19
73°
54°
20
78°
58°
21
79°
54°
22
71°
51°
23
71°
53°
24
73°
52°
25
74°
55°
26
76°
60°
27
81°
61°
28
83°
55°
29
82°
55°
30
73°
57°
31
75°
62°
1
83°
55°
2
79°
54°
3
75°
53°
4
75°
55°
5
76°
59°
6
78°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Lothian
Lothian's May 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 45° and 62°. The average high for May is 73° with an average low of 53°. 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 Lothian. See also: June | July | August.