Ballycastle weather live forecast

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

Thursday
21st May
18

12

1

UV2
Friday
22nd May
19

13

0

UV4
Saturday
23rd May
18

11

5

UV4
Sunday
24th May
19

12

1

UV4
Monday
25th May
19

11

10

UV6

5-day weather forecast updated at 04:03 on Thursday 21st May 2026 GMT

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

Ballycastle weather forecast by day

Below are the detailed weather forecasts for Ballycastle for the next 5 days.

Ballycastle weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Ballycastle, Northern Ireland with a maximum temperature of 18°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a fresh breeze of 32 kph from the south.

18
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
UV2
UV index (Low)
65
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
32
kph wind from S

Ballycastle weather for Friday 22nd May 2026

Expect mostly cloudy with light rain in Ballycastle, Northern Ireland with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a moderate breeze of 24 kph from the south.

19
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
UV4
UV index (Moderate)
75
% chance of some rain
<5
mm of rainfall expected
19
°C wind chill
24
kph wind from S

Ballycastle weather for Saturday 23rd May 2026

Expect broken clouds in Ballycastle, Northern Ireland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

18
°C maximum temperature
11
°C minimum temperature
broken clouds
5
hours of sunshine
UV4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Ballycastle weather for Sunday 24th May 2026

Expect broken clouds in Ballycastle, Northern Ireland with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south.

19
°C maximum temperature
12
°C minimum temperature
broken clouds
1
hour of sunshine
UV4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from S

Ballycastle weather for Monday 25th May 2026

Expect broken clouds in Ballycastle, Northern Ireland with a maximum temperature of 19°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.