Portrush weather live forecast

Today's maximum temperature in Portrush is expected to be 13°C. Select a day from the live weather forecast for Portrush, Northern Ireland, UK for more weather parameters.

Wednesday
20th May
13

10

5

UV5
Thursday
21st May
16

11

2

UV3
Friday
22nd May
20

12

1

UV4
Saturday
23rd May
20

12

4

UV4
Sunday
24th May
21

10

4

UV5

5-day weather forecast updated at 04:03 on Wednesday 20th May 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 20th May 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 13°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the west.

13
°C maximum temperature
10
°C minimum temperature
broken clouds
5
hours of sunshine
UV5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
26
kph wind from W

Portrush weather for Thursday 21st May 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 25 kph from the south.

16
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
UV3
UV index (Moderate)
74
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
25
kph wind from S

Portrush weather for Friday 22nd May 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a moderate breeze of 22 kph from the south.

20
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
UV4
UV index (Moderate)
69
% chance of some rain
<5
mm of rainfall expected
20
°C wind chill
22
kph wind from S

Portrush weather for Saturday 23rd May 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

20
°C maximum temperature
12
°C minimum temperature
broken clouds
4
hours of sunshine
UV4
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
17
kph wind from SW

Portrush weather for Sunday 24th May 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.