S
M
T
W
T
F
S
26
60°
33°
27
65°
23°
28
63°
33°
29
68°
24°
30
57°
29°
1
64°
31°
2
70°
25°
3
72°
32°
4
72°
30°
5
79°
29°
6
66°
37°
7
69°
27°
8
62°
35°
9
62°
37°
10
54°
28°
11
60°
34°
12
66°
37°
13
62°
36°
14
57°
30°
15
53°
28°
16
53°
29°
17
57°
30°
18
58°
30°
19
56°
33°
20
58°
30°
21
58°
30°
22
60°
35°
23
53°
33°
24
54°
32°
25
55°
33°
26
55°
34°
27
58°
34°
28
55°
35°
29
56°
36°
30
59°
35°
31
59°
41°
1
56°
38°
2
56°
35°
3
58°
41°
4
64°
42°
5
61°
43°
6
59°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Streatham
Streatham's May 2026 forecast shows daily high temperatures ranging from 53° to 66°, with overnight lows between 28° and 43°. The average high for May is 58° with an average low of 34°. 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 Streatham. See also: June | July | August.
