Portrush weather live forecast

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

Wednesday
26th Aug
18

15

3

2
Thursday
27th Aug
18

15

5

3
Friday
28th Aug
18

13

2

2
Saturday
29th Aug
17

12

2

3
Sunday
30th Aug
17

11

6

3

5-day weather forecast updated at 04:03 on Wednesday 26th August 2026 GMT

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

Portrush weather forecast by day

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

Portrush weather for Wednesday 26th August 2026

Expect isolated thunderstorms in Portrush, Northern Ireland with a maximum temperature of 18°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a moderate breeze of 21 kph from the south-east.

18
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
2
UV index (Low)
53
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from SE

Portrush weather for Thursday 27th August 2026

Expect isolated thunderstorms in Portrush, Northern Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 13 kph from the east.

18
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
3
UV index (Moderate)
46
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
13
kph wind from E

Portrush weather for Friday 28th August 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 18°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north-west.

18
°C maximum temperature
13
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
18
°C wind chill
30
kph wind from NW

Portrush weather for Saturday 29th August 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 18 kph from the west.

17
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
62
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
18
kph wind from W

Portrush weather for Sunday 30th August 2026

Expect sunshine and showers in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 22 kph from the west.