S
M
T
W
T
F
S
26
58°
41°
27
55°
40°
28
55°
39°
29
56°
38°
30
58°
44°
1
60°
45°
2
60°
44°
3
57°
41°
4
57°
44°
5
58°
42°
6
58°
42°
7
59°
45°
8
64°
46°
9
63°
46°
10
59°
45°
11
59°
46°
12
63°
47°
13
64°
47°
14
63°
44°
15
59°
42°
16
59°
42°
17
61°
47°
18
66°
48°
19
64°
46°
20
63°
48°
21
63°
48°
22
64°
47°
23
65°
49°
24
65°
48°
25
67°
48°
26
65°
47°
27
66°
50°
28
66°
49°
29
67°
49°
30
67°
48°
31
66°
46°
1
67°
47°
2
66°
50°
3
67°
48°
4
65°
45°
5
65°
47°
6
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Clapham Common
Clapham Common's May 2026 forecast shows daily high temperatures ranging from 55° to 67°, with overnight lows between 38° and 50°. 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 Clapham Common. See also: June | July | August.