Castlebar weather live forecast

Today's maximum temperature in Castlebar is expected to be 18°C. Select a day from the live weather forecast for Castlebar, Ireland for more weather parameters.

Tuesday
28th Apr
18

7

9

3
Wednesday
29th Apr
17

6

14

5
Thursday
30th Apr
15

9

0

3
Friday
1st May
15

10

1

4
Saturday
2nd May
12

9

6

3

5-day weather forecast updated at 04:03 on Tuesday 28th April 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 28th April 2026

Expect scattered clouds in Castlebar, Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

18
°C maximum temperature
7
°C minimum temperature
scattered clouds
9
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from E

Castlebar weather for Wednesday 29th April 2026

Expect clear skies in Castlebar, Ireland with a maximum temperature of 17°C, maximum UV of 5 (Moderate) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the east.

17
°C maximum temperature
6
°C minimum temperature
clear skies
14
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from E

Castlebar weather for Thursday 30th April 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 20 kph from the east.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
3
UV index (Moderate)
65
% chance of some rain
<5
mm of rainfall expected
15
°C wind chill
20
kph wind from E

Castlebar weather for Friday 1st May 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a moderate breeze of 21 kph from the west.

15
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
59
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
21
kph wind from W

Castlebar weather for Saturday 2nd May 2026

Expect mostly cloudy with light rain in Castlebar, Ireland with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 21 kph from the north.