S
M
T
W
T
F
S
26
64°
39°
27
68°
41°
28
59°
41°
29
63°
39°
30
66°
46°
1
73°
45°
2
70°
46°
3
64°
50°
4
61°
42°
5
60°
42°
6
55°
40°
7
59°
42°
8
59°
44°
9
61°
45°
10
59°
42°
11
60°
45°
12
58°
46°
13
58°
45°
14
59°
43°
15
58°
44°
16
57°
46°
17
58°
43°
18
58°
43°
19
59°
47°
20
58°
43°
21
57°
42°
22
58°
43°
23
59°
46°
24
60°
48°
25
60°
49°
26
61°
49°
27
61°
47°
28
60°
44°
29
61°
43°
30
60°
45°
31
66°
48°
1
64°
47°
2
65°
50°
3
66°
48°
4
62°
49°
5
63°
48°
6
66°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Milton Keynes
Milton Keynes's May 2026 forecast shows daily high temperatures ranging from 55° to 66°, with overnight lows between 40° and 52°. The average high for May is 60° 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 Milton Keynes. See also: June | July | August.
