S
M
T
W
T
F
S
26
63°
46°
27
70°
48°
28
61°
48°
29
59°
48°
30
66°
52°
1
73°
48°
2
71°
54°
3
63°
48°
4
62°
47°
5
61°
45°
6
56°
40°
7
57°
43°
8
59°
45°
9
62°
47°
10
62°
48°
11
61°
48°
12
60°
46°
13
61°
47°
14
59°
40°
15
61°
47°
16
63°
48°
17
64°
47°
18
64°
47°
19
63°
46°
20
61°
44°
21
62°
44°
22
60°
43°
23
61°
44°
24
63°
44°
25
62°
42°
26
60°
43°
27
62°
48°
28
65°
49°
29
67°
50°
30
66°
44°
31
60°
43°
1
60°
43°
2
61°
44°
3
60°
45°
4
61°
44°
5
61°
44°
6
62°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Westerham
Westerham's May 2026 forecast shows daily high temperatures ranging from 56° to 73°, with overnight lows between 40° and 54°. The average high for May is 62° 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 Westerham. See also: June | July | August.