S
M
T
W
T
F
S
27
71°
55°
28
74°
51°
29
70°
45°
30
70°
47°
1
69°
54°
2
76°
43°
3
77°
42°
4
66°
41°
5
62°
42°
6
64°
45°
7
64°
50°
8
68°
50°
9
70°
51°
10
72°
52°
11
74°
43°
12
73°
40°
13
70°
42°
14
59°
43°
15
58°
43°
16
58°
44°
17
59°
45°
18
59°
41°
19
61°
43°
20
62°
46°
21
67°
48°
22
66°
49°
23
67°
45°
24
69°
41°
25
62°
40°
26
59°
36°
27
56°
36°
28
54°
34°
29
54°
40°
30
Hist. Avg.
59°
39°
31
Hist. Avg.
59°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Dublin
Dublin's October 2026 forecast shows daily high temperatures ranging from 54° to 77°, with overnight lows between 34° and 55°. The average high for October is 65° with an average low of 44°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Dublin. See also: November | December | January.