Portrush weather live forecast

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

Thursday
18th Sep
16

13

3

2
Friday
19th Sep
16

13

2

2
Saturday
20th Sep
13

9

0

2
Sunday
21st Sep
11

7

4

2
Monday
22nd Sep
11

6

3

2

5-day weather forecast updated at 04:04 on Thursday 18th September 2025 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 Thursday 18th September 2025

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 16°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 40% chance of some rain and a fresh breeze of 29 kph from the south-west.

16
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
40
% chance of some rain
<5
mm of rainfall expected
16
°C wind chill
29
kph wind from SW

Portrush weather for Friday 19th September 2025

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 16°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

16
°C maximum temperature
13
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
16
°C wind chill
20
kph wind from SW

Portrush weather for Saturday 20th September 2025

Expect overcast skies in Portrush, Northern Ireland with a maximum temperature of 13°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 40 kph from the north.

13
°C maximum temperature
9
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
40
kph wind from N

Portrush weather for Sunday 21st September 2025

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the north.

11
°C maximum temperature
7
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
33
kph wind from N

Portrush weather for Monday 22nd September 2025

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 11°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.