S
M
T
W
T
F
S
26
61°
34°
27
61°
43°
28
50°
37°
29
59°
36°
30
68°
37°
1
73°
32°
2
64°
46°
3
52°
46°
4
59°
45°
5
52°
37°
6
50°
34°
7
55°
32°
8
N/A
9
52°
42°
10
54°
43°
11
50°
43°
12
59°
44°
13
55°
41°
14
51°
42°
15
52°
39°
16
54°
44°
17
57°
45°
18
56°
44°
19
58°
46°
20
57°
45°
21
58°
48°
22
57°
48°
23
57°
49°
24
60°
49°
25
60°
48°
26
61°
49°
27
62°
48°
28
57°
45°
29
60°
47°
30
62°
51°
31
63°
50°
1
61°
50°
2
61°
49°
3
63°
49°
4
61°
50°
5
61°
50°
6
64°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Hartlepool
Hartlepool's May 2026 forecast shows daily high temperatures ranging from 50° to 64°, with overnight lows between 39° and 51°. 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 Hartlepool. See also: June | July | August.