S
M
T
W
T
F
S
26
71°
48°
27
69°
46°
28
75°
49°
29
72°
53°
30
61°
42°
1
66°
38°
2
57°
39°
3
61°
32°
4
73°
40°
5
74°
42°
6
71°
57°
7
60°
45°
8
68°
33°
9
71°
43°
10
78°
53°
11
62°
38°
12
67°
44°
13
65°
48°
14
63°
42°
15
66°
43°
16
73°
52°
17
77°
55°
18
81°
58°
19
77°
55°
20
76°
55°
21
78°
56°
22
82°
60°
23
76°
54°
24
75°
55°
25
77°
55°
26
77°
54°
27
78°
55°
28
78°
56°
29
77°
56°
30
79°
57°
31
79°
57°
1
78°
56°
2
79°
55°
3
79°
58°
4
78°
58°
5
77°
57°
6
79°
57°
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 62° to 82°, with overnight lows between 38° and 60°. The average high for May is 75° with an average low of 53°. 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.
