Castlebar weather live forecast

Today's maximum temperature in Castlebar is expected to be 46°F. Select a day from the live weather forecast for Castlebar, Ireland for more weather parameters.

Saturday
14th Mar
46

37

2

2
Sunday
15th Mar
48

39

1

2
Monday
16th Mar
52

41

1

1
Tuesday
17th Mar
52

43

3

0
Wednesday
18th Mar
54

41

2

2

5-day weather forecast updated at 04:03 on Saturday 14th March 2026 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 14th March 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 46°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 12 mph from the west.

46
°F maximum temperature
37
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
35
% chance of some rain
<2
mm of rainfall expected
41
°F wind chill
12
mph wind from W

Castlebar weather for Sunday 15th March 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 48°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 95% chance of some rain and a fresh breeze of 22 mph from the west.

48
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
95
% chance of some rain
<5
mm of rainfall expected
41
°F wind chill
22
mph wind from W

Castlebar weather for Monday 16th March 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 52°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 93% chance of some rain and a fresh breeze of 18 mph from the south-west.

52
°F maximum temperature
41
°F minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
93
% chance of some rain
<5
mm of rainfall expected
52
°F wind chill
18
mph wind from SW

Castlebar weather for Tuesday 17th March 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 52°F and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 79% chance of some rain and a fresh breeze of 20 mph from the south.

52
°F maximum temperature
43
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
0
UV index (None)
79
% chance of some rain
<5
mm of rainfall expected
52
°F wind chill
20
mph wind from S

Castlebar weather for Wednesday 18th March 2026

Expect broken clouds in Castlebar, Ireland with a maximum temperature of 54°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the south-west.