S
M
T
W
T
F
S
26
54°
42°
27
51°
40°
28
51°
39°
29
53°
42°
30
53°
45°
1
57°
46°
2
57°
44°
3
53°
43°
4
53°
44°
5
54°
42°
6
54°
41°
7
57°
43°
8
57°
46°
9
55°
46°
10
55°
45°
11
56°
47°
12
57°
47°
13
56°
46°
14
55°
44°
15
55°
44°
16
56°
46°
17
55°
45°
18
62°
48°
19
59°
48°
20
59°
46°
21
60°
46°
22
58°
45°
23
58°
48°
24
59°
49°
25
61°
48°
26
63°
50°
27
61°
49°
28
64°
49°
29
59°
48°
30
61°
47°
31
62°
45°
1
61°
43°
2
60°
49°
3
61°
47°
4
61°
45°
5
62°
48°
6
62°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Middlesbrough
Middlesbrough's May 2026 forecast shows daily high temperatures ranging from 51° to 64°, with overnight lows between 39° and 50°. The average high for May is 58° 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 Middlesbrough. See also: June | July | August.