Ballycastle weather live forecast

Today's maximum temperature in Ballycastle is expected to be 16°C. Select a day from the live weather forecast for Ballycastle, Northern Ireland, UK for more weather parameters.

Sunday
16th Aug
16

11

0

3
Monday
17th Aug
17

14

0

1
Tuesday
18th Aug
16

12

3

4
Wednesday
19th Aug
16

12

2

3
Thursday
20th Aug
15

11

4

5

5-day weather forecast updated at 04:03 on Sunday 16th August 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 Sunday 16th August 2026

Expect cloudy with some rain in Ballycastle, Northern Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 13 kph from the south.

16
°C maximum temperature
11
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
57
% chance of some rain
<10
mm of rainfall expected
16
°C wind chill
13
kph wind from S

Ballycastle weather for Monday 17th August 2026

Expect mostly cloudy with rain in Ballycastle, Northern Ireland with a maximum temperature of 17°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a moderate breeze of 21 kph from the south-west.

17
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
1
UV index (Low)
98
% chance of some rain
<20
mm of rainfall expected
17
°C wind chill
21
kph wind from SW

Ballycastle weather for Tuesday 18th August 2026

Expect mostly cloudy with light rain in Ballycastle, Northern Ireland with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a fresh breeze of 33 kph from the west.

16
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
4
UV index (Moderate)
45
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
33
kph wind from W

Ballycastle weather for Wednesday 19th August 2026

Expect mostly cloudy with rain in Ballycastle, Northern Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 23 kph from the south-west.

16
°C maximum temperature
12
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
90
% chance of some rain
<10
mm of rainfall expected
16
°C wind chill
23
kph wind from SW

Ballycastle weather for Thursday 20th August 2026

Expect mostly cloudy with light rain in Ballycastle, Northern Ireland with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 53% chance of some rain and a fresh breeze of 31 kph from the north.