S
M
T
W
T
F
S
26
72°
40°
27
60°
39°
28
59°
40°
29
61°
47°
30
62°
42°
1
62°
41°
2
63°
42°
3
66°
49°
4
69°
51°
5
74°
52°
6
74°
50°
7
67°
46°
8
70°
49°
9
74°
49°
10
75°
54°
11
76°
56°
12
77°
56°
13
76°
51°
14
68°
47°
15
70°
48°
16
70°
48°
17
69°
46°
18
70°
50°
19
72°
48°
20
75°
52°
21
74°
57°
22
79°
56°
23
80°
48°
24
76°
48°
25
71°
49°
26
72°
48°
27
72°
50°
28
72°
57°
29
79°
55°
30
73°
55°
31
81°
58°
1
79°
58°
2
75°
53°
3
74°
52°
4
75°
53°
5
81°
58°
6
81°
63°
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 59° to 81°, with overnight lows between 39° and 63°. The average high for May is 72° with an average low of 50°. 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.
