S
M
T
W
T
F
S
26
66°
38°
27
76°
33°
28
74°
37°
29
73°
42°
30
58°
45°
1
65°
39°
2
58°
44°
3
57°
37°
4
72°
46°
5
80°
56°
6
65°
47°
7
63°
42°
8
56°
38°
9
58°
39°
10
60°
44°
11
62°
43°
12
62°
44°
13
63°
45°
14
63°
47°
15
66°
46°
16
65°
45°
17
73°
49°
18
73°
50°
19
72°
50°
20
72°
49°
21
71°
49°
22
70°
47°
23
66°
43°
24
64°
45°
25
66°
44°
26
67°
48°
27
67°
45°
28
68°
45°
29
67°
46°
30
67°
46°
31
68°
54°
1
73°
51°
2
70°
47°
3
70°
52°
4
74°
55°
5
72°
52°
6
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hatfield
Hatfield's May 2026 forecast shows daily high temperatures ranging from 56° to 80°, with overnight lows between 38° and 56°. The average high for May is 68° with an average low of 47°. 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 Hatfield. See also: June | July | August.