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.

Thursday
19th Feb
8

5

2

1
Friday
20th Feb
10

7

2

1
Saturday
21st Feb
12

9

1

0
Sunday
22nd Feb
10

8

4

1
Monday
23rd Feb
10

8

1

0

5-day weather forecast updated at 04:05 on Thursday 19th February 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 Thursday 19th February 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 8°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a fresh breeze of 29 kph from the west.

8
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
53
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
29
kph wind from W

Castlebar weather for Friday 20th February 2026

Expect mostly cloudy with rain in Castlebar, Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a fresh breeze of 35 kph from the south-west.

10
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
91
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
35
kph wind from SW

Castlebar weather for Saturday 21st February 2026

Expect mostly cloudy with rain in Castlebar, Ireland with a maximum temperature of 12°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a moderate breeze of 25 kph from the south-west.

12
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
88
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
25
kph wind from SW

Castlebar weather for Sunday 22nd February 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 74% chance of some rain and a fresh breeze of 31 kph from the south-west.

10
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
1
UV index (Low)
74
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
31
kph wind from SW

Castlebar weather for Monday 23rd February 2026

Expect mostly cloudy with rain in Castlebar, Ireland with a maximum temperature of 10°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 72% chance of some rain and a moderate breeze of 27 kph from the south-west.