S
M
T
W
T
F
S
27
72°
54°
28
N/A
29
68°
59°
30
65°
60°
1
65°
48°
2
61°
41°
3
59°
45°
4
58°
41°
5
52°
38°
6
55°
45°
7
54°
43°
8
54°
41°
9
52°
41°
10
53°
40°
11
53°
44°
12
50°
29°
13
48°
39°
14
49°
43°
15
55°
43°
16
57°
44°
17
57°
43°
18
56°
42°
19
57°
40°
20
54°
41°
21
54°
36°
22
45°
34°
23
48°
41°
24
54°
42°
25
55°
37°
26
54°
32°
27
42°
32°
28
47°
40°
29
53°
41°
30
53°
41°
31
52°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Killarney
Killarney's October 2026 forecast shows daily high temperatures ranging from 42° to 68°, with overnight lows between 29° and 60°. The average high for October is 54° with an average low of 41°. 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 Killarney. See also: November | December | January.
