Castlebar weather live forecast

Today's maximum temperature in Castlebar is expected to be 54°F. Select a day from the live weather forecast for Castlebar, Ireland for more weather parameters.

Saturday
13th Dec
54

46

0

0
Sunday
14th Dec
55

46

0

0
Monday
15th Dec
48

39

3

0
Tuesday
16th Dec
46

37

4

0
Wednesday
17th Dec
52

43

4

0

5-day weather forecast updated at 04:05 on Friday 12th 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 Saturday 13th December 2025

Expect cloudy with some rain in Castlebar, Ireland with a maximum temperature of 54°F and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a strong breeze of 27 mph from the south-west.

54
°F maximum temperature
46
°F minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
99
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
27
mph wind from SW

Castlebar weather for Sunday 14th December 2025

Expect mostly cloudy with rain in Castlebar, Ireland with a maximum temperature of 55°F and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a fresh breeze of 21 mph from the south-west.

55
°F maximum temperature
46
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
91
% chance of some rain
<10
mm of rainfall expected
55
°F wind chill
21
mph wind from SW

Castlebar weather for Monday 15th December 2025

Expect broken clouds in Castlebar, Ireland with a maximum temperature of 48°F and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

48
°F maximum temperature
39
°F minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
45
°F wind chill
9
mph wind from SW

Castlebar weather for Tuesday 16th December 2025

Expect broken clouds in Castlebar, Ireland with a maximum temperature of 46°F and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the south-west.

46
°F maximum temperature
37
°F minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
39
°F wind chill
16
mph wind from SW

Castlebar weather for Wednesday 17th December 2025

Expect sunshine and showers in Castlebar, Ireland with a maximum temperature of 52°F and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a strong breeze of 24 mph from the south-west.