S
M
T
W
T
F
S
26
64°
36°
27
70°
32°
28
66°
34°
29
60°
37°
30
52°
43°
1
58°
42°
2
54°
36°
3
54°
35°
4
63°
46°
5
74°
55°
6
67°
50°
7
56°
42°
8
54°
34°
9
58°
38°
10
57°
46°
11
63°
42°
12
62°
44°
13
59°
46°
14
60°
45°
15
63°
44°
16
62°
43°
17
62°
41°
18
63°
49°
19
63°
49°
20
65°
48°
21
69°
50°
22
68°
46°
23
61°
45°
24
63°
48°
25
64°
45°
26
65°
46°
27
65°
46°
28
63°
49°
29
66°
52°
30
70°
51°
31
67°
48°
1
66°
45°
2
65°
45°
3
66°
46°
4
65°
47°
5
65°
47°
6
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dublin
Dublin's May 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 34° and 55°. The average high for May is 63° with an average low of 45°. 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 Dublin. See also: June | July | August.
