Castlebar weather live forecast

Today's maximum temperature in Castlebar is expected to be 6°C. Select a day from the live weather forecast for Castlebar, Ireland for more weather parameters.

Tuesday
6th Jan
6

2

2

0
Wednesday
7th Jan
6

4

0

0
Thursday
8th Jan
5

2

0

0
Friday
9th Jan
5

2

3

0
Saturday
10th Jan
7

3

0

0

5-day weather forecast updated at 04:04 on Tuesday 6th January 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 Tuesday 6th January 2026

Expect mostly cloudy with rain in Castlebar, Ireland with a maximum temperature of 6°C and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 26% chance of some rain and a moderate breeze of 20 kph from the north-west.

6
°C maximum temperature
2
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
0
UV index (None)
26
% chance of some rain
<10
mm of rainfall expected
2
°C wind chill
20
kph wind from NW

Castlebar weather for Wednesday 7th January 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 6°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 18 kph from the north-west.

6
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
76
% chance of some rain
<5
mm of rainfall expected
2
°C wind chill
18
kph wind from NW

Castlebar weather for Thursday 8th January 2026

Expect cloudy with sleet or snow in Castlebar, Ireland with a maximum temperature of 5°C and no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 42% chance of some sleet or snow and a light breeze of 11 kph from the west.

5
°C maximum temperature
2
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
0
UV index (None)
42
% chance of some sleet or snow
<2
mm of sleet/snow expected
3
°C wind chill
11
kph wind from W

Castlebar weather for Friday 9th January 2026

Expect sunshine and showers in Castlebar, Ireland with a maximum temperature of 5°C and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 18 kph from the west.

5
°C maximum temperature
2
°C minimum temperature
sunshine and showers
3
hours of sunshine
0
UV index (None)
49
% chance of some rain
<2
mm of rainfall expected
1
°C wind chill
18
kph wind from W

Castlebar weather for Saturday 10th January 2026

Expect cloudy with some rain in Castlebar, Ireland with a maximum temperature of 7°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 22 kph from the south-east.