S
M
T
W
T
F
S
26
59°
42°
27
61°
43°
28
54°
40°
29
60°
44°
30
59°
45°
1
61°
45°
2
61°
44°
3
60°
45°
4
58°
44°
5
58°
44°
6
60°
43°
7
59°
45°
8
61°
43°
9
62°
43°
10
62°
46°
11
61°
42°
12
61°
41°
13
62°
44°
14
61°
43°
15
63°
47°
16
59°
46°
17
63°
48°
18
64°
48°
19
63°
47°
20
63°
49°
21
62°
48°
22
59°
48°
23
59°
47°
24
60°
46°
25
59°
47°
26
60°
45°
27
60°
44°
28
65°
48°
29
62°
45°
30
62°
44°
31
63°
46°
1
62°
43°
2
64°
46°
3
67°
48°
4
68°
49°
5
68°
47°
6
67°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hemel Hempstead
Hemel Hempstead's May 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 40° and 49°. The average high for May is 61° with an average low of 45°. 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 Hemel Hempstead. See also: June | July | August.
