Portrush weather live forecast

Today's maximum temperature in Portrush is expected to be 14°C. Select a day from the live weather forecast for Portrush, Northern Ireland, UK for more weather parameters.

Tuesday
16th Sep
14

12

5

2
Wednesday
17th Sep
16

12

0

3
Thursday
18th Sep
17

12

2

2
Friday
19th Sep
16

11

1

2
Saturday
20th Sep
13

9

5

3

5-day weather forecast updated at 04:04 on Tuesday 16th 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 Tuesday 16th September 2025

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 30 kph from the west.

14
°C maximum temperature
12
°C minimum temperature
mostly cloudy with rain
5
hours of sunshine
2
UV index (Low)
46
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
30
kph wind from W

Portrush weather for Wednesday 17th September 2025

Expect cloudy with some rain in Portrush, 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 29% chance of some rain and a fresh breeze of 35 kph from the south-west.

16
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
29
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
35
kph wind from SW

Portrush weather for Thursday 18th September 2025

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a fresh breeze of 33 kph from the south-west.

17
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
33
% chance of some rain
<2
mm of rainfall expected
17
°C wind chill
33
kph wind from SW

Portrush weather for Friday 19th September 2025

Expect cloudy with some rain in Portrush, Northern Ireland with a maximum temperature of 16°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 15 kph from the south-west.

16
°C maximum temperature
11
°C minimum temperature
cloudy with some rain
1
hour of sunshine
2
UV index (Low)
39
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
15
kph wind from SW

Portrush weather for Saturday 20th September 2025

Expect sunshine and showers in Portrush, Northern Ireland with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 13 kph from the north-east.