Castlebar weather live forecast

Today's maximum temperature in Castlebar is expected to be 13°C. Select a day from the live weather forecast for Castlebar, Ireland for more weather parameters.

Sunday
14th Dec
13

6

0

0
Monday
15th Dec
8

3

2

0
Tuesday
16th Dec
7

2

4

0
Wednesday
17th Dec
12

6

3

0
Thursday
18th Dec
10

6

0

0

5-day weather forecast updated at 04:04 on Sunday 14th December 2025 GMT

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

Castlebar weather forecast by day

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

Castlebar weather for Sunday 14th December 2025

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 13°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 80% chance of some rain and a fresh breeze of 36 kph from the south.

13
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
80
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
36
kph wind from S

Castlebar weather for Monday 15th December 2025

Expect broken clouds in Castlebar, Ireland with a maximum temperature of 8°C and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-west.

8
°C maximum temperature
3
°C minimum temperature
broken clouds
2
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
6
°C wind chill
10
kph wind from SW

Castlebar weather for Tuesday 16th December 2025

Expect broken clouds in Castlebar, Ireland with a maximum temperature of 7°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-west.

7
°C maximum temperature
2
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
3
°C wind chill
30
kph wind from SW

Castlebar weather for Wednesday 17th December 2025

Expect mostly cloudy with rain in Castlebar, Ireland with a maximum temperature of 12°C and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 73% chance of some rain and a fresh breeze of 34 kph from the south-west.

12
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
0
UV index (None)
73
% chance of some rain
<20
mm of rainfall expected
12
°C wind chill
34
kph wind from SW

Castlebar weather for Thursday 18th December 2025

Expect overcast with light rain in Castlebar, Ireland with a maximum temperature of 10°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 27 kph from the south-west.