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
62°
46°
5
56°
42°
6
50°
39°
7
54°
45°
8
58°
48°
9
60°
50°
10
64°
51°
11
63°
49°
12
62°
48°
13
62°
48°
14
61°
46°
15
60°
47°
16
61°
48°
17
61°
43°
18
60°
42°
19
61°
46°
20
60°
43°
21
60°
42°
22
61°
43°
23
61°
44°
24
64°
48°
25
64°
49°
26
65°
49°
27
64°
47°
28
62°
44°
29
62°
43°
30
63°
46°
31
68°
48°
1
68°
48°
2
67°
50°
3
68°
47°
4
64°
48°
5
66°
49°
6
69°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Barbican
Barbican's May 2026 forecast shows daily high temperatures ranging from 50° to 69°, with overnight lows between 39° and 52°. 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 Barbican. See also: June | July | August.