S
M
T
W
T
F
S
26
64°
47°
27
65°
49°
28
64°
48°
29
65°
49°
30
66°
51°
1
66°
49°
2
61°
48°
3
62°
47°
4
56°
39°
5
57°
40°
6
57°
39°
7
58°
39°
8
57°
40°
9
58°
45°
10
59°
44°
11
58°
41°
12
63°
46°
13
65°
46°
14
65°
44°
15
66°
47°
16
65°
47°
17
66°
48°
18
67°
48°
19
66°
47°
20
65°
46°
21
64°
46°
22
61°
44°
23
61°
47°
24
63°
48°
25
63°
49°
26
65°
49°
27
65°
48°
28
66°
48°
29
65°
46°
30
64°
50°
31
64°
46°
1
65°
50°
2
65°
50°
3
66°
44°
4
65°
44°
5
65°
45°
6
66°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in London
London's May 2026 forecast shows daily high temperatures ranging from 56° to 67°, with overnight lows between 39° and 51°. The average high for May is 63° with an average low of 46°. 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 London. See also: June | July | August.
