Castletownbere weather live forecast

Today's maximum temperature in Castletownbere is expected to be 17°C. Select a day from the live weather forecast for Castletownbere, Ireland for more weather parameters.

Tuesday
1st Sep
17

15

1

2
Wednesday
2nd Sep
18

17

1

3
Thursday
3rd Sep
19

17

0

1
Friday
4th Sep
18

14

7

4
Saturday
5th Sep
18

13

0

4

5-day weather forecast updated at 04:03 on Tuesday 1st September 2026 GMT

More about Castletownbere

Castletownbere by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Ireland

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

The 5-day weather forecast for Ireland (Castletownbere) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Castletownbere weather forecast by day

Below are the detailed weather forecasts for Castletownbere for the next 5 days.

Castletownbere weather for Tuesday 1st September 2026

Expect mostly cloudy with rain in Castletownbere, Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 24 kph from the south-west.

17
°C maximum temperature
15
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
69
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Castletownbere weather for Wednesday 2nd September 2026

Expect cloudy with some rain in Castletownbere, Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 27 kph from the south-west.

18
°C maximum temperature
17
°C minimum temperature
cloudy with some rain
1
hour of sunshine
3
UV index (Moderate)
68
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
27
kph wind from SW

Castletownbere weather for Thursday 3rd September 2026

Expect cloudy with some rain in Castletownbere, Ireland with a maximum temperature of 19°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 31 kph from the south-west.

19
°C maximum temperature
17
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
85
% chance of some rain
<10
mm of rainfall expected
19
°C wind chill
31
kph wind from SW

Castletownbere weather for Friday 4th September 2026

Expect sunshine and showers in Castletownbere, Ireland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 38% chance of some rain and a moderate breeze of 25 kph from the west.

18
°C maximum temperature
14
°C minimum temperature
sunshine and showers
7
hours of sunshine
4
UV index (Moderate)
38
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
25
kph wind from W

Castletownbere weather for Saturday 5th September 2026

Expect mostly cloudy with rain in Castletownbere, Ireland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 51% chance of some rain and a fresh breeze of 29 kph from the south-east.