S
M
T
W
T
F
S
26
71°
46°
27
64°
42°
28
60°
38°
29
61°
43°
30
70°
47°
1
65°
43°
2
62°
40°
3
62°
41°
4
64°
41°
5
67°
48°
6
72°
50°
7
73°
46°
8
67°
48°
9
65°
50°
10
68°
50°
11
73°
52°
12
75°
53°
13
75°
54°
14
74°
53°
15
69°
44°
16
69°
45°
17
70°
46°
18
68°
48°
19
72°
45°
20
68°
47°
21
70°
52°
22
74°
53°
23
74°
55°
24
75°
49°
25
75°
48°
26
70°
48°
27
72°
49°
28
71°
49°
29
74°
50°
30
75°
48°
31
73°
48°
1
72°
57°
2
75°
55°
3
78°
52°
4
76°
53°
5
80°
57°
6
81°
59°
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 60° to 81°, with overnight lows between 38° and 59°. The average high for May is 71° with an average low of 49°. 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.