Achill Island weather live forecast

Today's maximum temperature in Achill Island is expected to be 11°C. Select a day from the live weather forecast for Achill Island, Ireland for more weather parameters.

Monday
18th May
11

5

0

2
Tuesday
19th May
11

8

0

3
Wednesday
20th May
13

8

3

5
Thursday
21st May
12

9

0

1
Friday
22nd May
13

9

1

4

5-day weather forecast updated at 04:02 on Monday 18th May 2026 GMT

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The 5-day weather forecast for Ireland (Achill Island) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Achill Island weather forecast by day

Below are the detailed weather forecasts for Achill Island for the next 5 days.

Achill Island weather for Monday 18th May 2026

Expect mostly cloudy with rain in Achill Island, Ireland with a maximum temperature of 11°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 95% chance of some rain and a moderate breeze of 23 kph from the south-east.

11
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
95
% chance of some rain
<20
mm of rainfall expected
11
°C wind chill
23
kph wind from SE

Achill Island weather for Tuesday 19th May 2026

Expect cloudy with some rain in Achill Island, Ireland with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 27 kph from the south-west.

11
°C maximum temperature
8
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
87
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
27
kph wind from SW

Achill Island weather for Wednesday 20th May 2026

Expect mostly cloudy with light rain in Achill Island, Ireland with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a fresh breeze of 29 kph from the south-west.

13
°C maximum temperature
8
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
74
% chance of some rain
<5
mm of rainfall expected
13
°C wind chill
29
kph wind from SW

Achill Island weather for Thursday 21st May 2026

Expect mostly cloudy with rain in Achill Island, Ireland with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a fresh breeze of 33 kph from the south.

12
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
80
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
33
kph wind from S

Achill Island weather for Friday 22nd May 2026

Expect mostly cloudy with light rain in Achill Island, Ireland with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 51% chance of some rain and a gentle breeze of 19 kph from the south-west.