S
M
T
W
T
F
S
26
66°
36°
27
68°
45°
28
57°
45°
29
63°
46°
30
68°
46°
1
75°
50°
2
72°
50°
3
63°
52°
4
57°
41°
5
61°
36°
6
54°
43°
7
59°
41°
8
64°
36°
9
68°
41°
10
55°
34°
11
54°
30°
12
59°
34°
13
54°
41°
14
54°
39°
15
54°
43°
16
59°
37°
17
59°
45°
18
58°
49°
19
63°
51°
20
65°
51°
21
68°
55°
22
72°
54°
23
71°
52°
24
66°
51°
25
65°
52°
26
65°
51°
27
65°
50°
28
65°
49°
29
64°
50°
30
62°
45°
31
63°
46°
1
61°
45°
2
62°
45°
3
65°
49°
4
66°
51°
5
67°
51°
6
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Heacham
Heacham's May 2026 forecast shows daily high temperatures ranging from 58° to 72°, with overnight lows between 45° and 55°. The average high for May is 65° with an average low of 50°. 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 Heacham. See also: June | July | August.