S
M
T
W
T
F
S
27
68°
47°
28
69°
44°
29
61°
43°
30
63°
43°
1
57°
41°
2
60°
41°
3
52°
39°
4
53°
33°
5
50°
36°
6
49°
38°
7
49°
35°
8
48°
34°
9
48°
32°
10
47°
30°
11
46°
29°
12
46°
29°
13
45°
28°
14
46°
35°
15
52°
30°
16
44°
28°
17
43°
30°
18
43°
30°
19
44°
29°
20
44°
30°
21
47°
35°
22
45°
35°
23
51°
31°
24
54°
29°
25
52°
23°
26
43°
27°
27
44°
26°
28
43°
25°
29
44°
26°
30
45°
22°
31
42°
25°
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 69°, with overnight lows between 22° and 47°. The average high for October is 50° with an average low of 33°. 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.
