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
73°
52°
3
68°
57°
4
59°
54°
5
61°
50°
6
58°
48°
7
62°
48°
8
70°
52°
9
71°
51°
10
63°
45°
11
57°
41°
12
52°
42°
13
60°
45°
14
59°
44°
15
59°
46°
16
61°
47°
17
62°
47°
18
61°
48°
19
61°
45°
20
63°
42°
21
65°
45°
22
62°
44°
23
63°
45°
24
65°
48°
25
68°
48°
26
69°
48°
27
70°
49°
28
67°
46°
29
67°
43°
30
69°
47°
31
70°
49°
1
70°
50°
2
71°
50°
3
69°
49°
4
65°
50°
5
68°
49°
6
70°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Erith
Erith's May 2026 forecast shows daily high temperatures ranging from 52° to 71°, with overnight lows between 41° and 52°. The average high for May is 65° 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 Erith. See also: June | July | August.