27.04
mon
mon
Day
59°F
S 6 mph
Precip.
79%
79%
Night
45°F
S 3 mph
Precip.
0%
0%
28.04
tue
tue
Day
61°F
W 5 mph
Precip.
0%
0%
Night
48°F
NW 4 mph
Precip.
0%
0%
29.04
wed
wed
Day
57°F
W 8 mph
Precip.
0%
0%
Night
43°F
SW 6 mph
Precip.
0%
0%
30.04
thu
thu
Day
46°F
W 6 mph
Precip.
78%
78%
Night
48°F
S 2 mph
Precip.
100%
100%
01.05
fri
fri
Day
55°F
SE 9 mph
Precip.
88%
88%
Night
43°F
SE 14 mph
Precip.
83%
83%
02.05
sat
sat
Day
48°F
SE 16 mph
Precip.
100%
100%
Night
34°F
E 5 mph
Precip.
40%
40%
03.05
sun
sun
Day
48°F
SE 8 mph
Precip.
100%
100%
Night
39°F
NE 4 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 April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 50.2°F. The highest and lowest sea temperatures during the month were 52.0°F and 48.9°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 58.0°F. The highest and lowest sea temperatures during the month were 60.8°F and 53.2°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: 15:39
April 27, monday
1800
61°F
S
6 mph
6 mph
2100
52°F
S
4 mph
4 mph
April 28, tuesday
0000
45°F
S
3 mph
3 mph
0300
43°F
SW
2 mph
2 mph
0600
43°F
SW
3 mph
3 mph
0900
55°F
SW
4 mph
4 mph
1200
61°F
W
5 mph
5 mph
1500
64°F
W
6 mph
6 mph
