S
M
T
W
T
F
S
27
61°
42°
28
66°
44°
29
60°
40°
30
67°
33°
1
62°
31°
2
52°
37°
3
54°
30°
4
53°
35°
5
54°
30°
6
53°
27°
7
50°
29°
8
51°
28°
9
50°
25°
10
60°
39°
11
63°
40°
12
61°
27°
13
51°
27°
14
Hist. Avg.
51°
30°
15
Hist. Avg.
51°
30°
16
Hist. Avg.
50°
29°
17
Hist. Avg.
50°
29°
18
Hist. Avg.
49°
28°
19
Hist. Avg.
49°
28°
20
Hist. Avg.
48°
28°
21
Hist. Avg.
48°
27°
22
Hist. Avg.
47°
27°
23
Hist. Avg.
46°
26°
24
Hist. Avg.
46°
26°
25
Hist. Avg.
45°
26°
26
Hist. Avg.
45°
25°
27
Hist. Avg.
44°
25°
28
Hist. Avg.
44°
24°
29
Hist. Avg.
43°
24°
30
Hist. Avg.
42°
24°
31
Hist. Avg.
42°
23°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Killarney
Killarney's October 2026 forecast shows daily high temperatures ranging from 50° to 67°, with overnight lows between 25° and 44°. The average high for October is 57° 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.
