17.05
sun
sun
Day
46°F
E 11 mph
Precip.
100%
100%
Night
43°F
NE 4 mph
Precip.
100%
100%
18.05
mon
mon
Day
50°F
NW 6 mph
Precip.
100%
100%
Night
52°F
N 5 mph
Precip.
100%
100%
19.05
tue
tue
Day
52°F
NE 14 mph
Precip.
100%
100%
Night
50°F
NE 10 mph
Precip.
88%
88%
20.05
wed
wed
Day
55°F
NE 8 mph
Precip.
76%
76%
Night
54°F
N 6 mph
Precip.
100%
100%
21.05
thu
thu
Day
57°F
N 7 mph
Precip.
75%
75%
Night
52°F
NW 6 mph
Precip.
0%
0%
22.05
fri
fri
Day
63°F
N 7 mph
Precip.
22%
22%
Night
48°F
N 3 mph
Precip.
0%
0%
23.05
sat
sat
Day
66°F
W 3 mph
Precip.
0%
0%
Night
54°F
W 2 mph
Precip.
0%
0%
sea water
temperature
temperature
| Killarney |
monthly
weather
weather
| Killarney |
current
weather
weather
| Killarney |
14 days
forecast
forecast
| Killarney |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 54.0°F. The highest and lowest sea temperatures during the month were 54.9°F and 53.1°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 60.1°F. The highest and lowest sea temperatures during the month were 63.1°F and 57.7°F.
Air temperature in Killarney, °F
Precipitation total in Killarney, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Killarney
Killarney on a weather map
24 Hours Forecast
Killarney
Local time: 22:06
May 18, monday
0000
43°F
NE
4 mph
4 mph
0300
39°F
NE
1 mph
1 mph
0600
41°F
NW
3 mph
3 mph
0900
48°F
NW
4 mph
4 mph
1200
50°F
NW
6 mph
6 mph
1500
48°F
NW
7 mph
7 mph
1800
50°F
NW
9 mph
9 mph
2100
50°F
NW
6 mph
6 mph
