S
M
T
W
T
F
S
27
70°
57°
28
78°
55°
29
91°
49°
30
86°
54°
1
93°
57°
2
91°
57°
3
101°
61°
4
99°
62°
5
99°
60°
6
98°
59°
7
97°
59°
8
93°
60°
9
87°
59°
10
88°
60°
11
91°
60°
12
90°
57°
13
87°
58°
14
78°
51°
15
73°
52°
16
80°
54°
17
82°
55°
18
82°
56°
19
81°
55°
20
80°
54°
21
76°
54°
22
71°
53°
23
74°
53°
24
75°
52°
25
76°
53°
26
76°
52°
27
75°
52°
28
75°
51°
29
67°
48°
30
74°
50°
31
73°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Dublin
Dublin's October 2026 forecast shows daily high temperatures ranging from 67° to 101°, with overnight lows between 48° and 62°. The average high for October is 83° with an average low of 55°. 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.