S
M
T
W
T
F
S
26
63°
46°
27
70°
48°
28
61°
48°
29
59°
48°
30
66°
52°
1
75°
50°
2
71°
57°
3
70°
53°
4
65°
47°
5
64°
47°
6
60°
47°
7
61°
45°
8
59°
47°
9
63°
48°
10
61°
46°
11
60°
48°
12
63°
48°
13
61°
46°
14
62°
47°
15
63°
47°
16
60°
46°
17
61°
43°
18
62°
41°
19
61°
45°
20
61°
42°
21
62°
41°
22
61°
41°
23
62°
43°
24
63°
47°
25
63°
48°
26
64°
48°
27
65°
46°
28
63°
44°
29
63°
43°
30
64°
45°
31
69°
48°
1
69°
47°
2
70°
49°
3
70°
47°
4
65°
48°
5
67°
49°
6
69°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Thamesmead
Thamesmead's May 2026 forecast shows daily high temperatures ranging from 59° to 71°, with overnight lows between 41° and 57°. The average high for May is 64° with an average low of 47°. 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 Thamesmead. See also: June | July | August.