Castlebar weather live forecast

Today's maximum temperature in Castlebar is expected to be 8°C. Select a day from the live weather forecast for Castlebar, Ireland for more weather parameters.

Saturday
14th Mar
8

3

2

2
Sunday
15th Mar
9

4

1

2
Monday
16th Mar
11

5

1

1
Tuesday
17th Mar
11

6

3

0
Wednesday
18th Mar
12

5

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 8°C, 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 19 kph from the west.

8
°C maximum temperature
3
°C 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
5
°C wind chill
19
kph wind from W

Castlebar weather for Sunday 15th March 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 9°C, 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 36 kph from the west.

9
°C maximum temperature
4
°C 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
5
°C wind chill
36
kph wind from W

Castlebar weather for Monday 16th March 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 11°C, 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 29 kph from the south-west.

11
°C maximum temperature
5
°C 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
11
°C wind chill
29
kph wind from SW

Castlebar weather for Tuesday 17th March 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 11°C 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 32 kph from the south.

11
°C maximum temperature
6
°C 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
11
°C wind chill
32
kph wind from S

Castlebar weather for Wednesday 18th March 2026

Expect broken clouds in Castlebar, Ireland with a maximum temperature of 12°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.