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
2nd Sep
18

14

2

3
Thursday
3rd Sep
19

14

0

1
Friday
4th Sep
17

12

7

3
Saturday
5th Sep
17

10

3

3
Sunday
6th Sep
20

12

1

3

5-day weather forecast updated at 04:03 on Tuesday 1st September 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 2nd September 2026

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a moderate breeze of 22 kph from the south.

18
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
3
UV index (Moderate)
66
% chance of some rain
<10
mm of rainfall expected
18
°C wind chill
22
kph wind from S

Portrush weather for Thursday 3rd September 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 19°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 24 kph from the south-west.

19
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
74
% chance of some rain
<5
mm of rainfall expected
19
°C wind chill
24
kph wind from SW

Portrush weather for Friday 4th September 2026

Expect sunshine and showers in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 21 kph from the west.

17
°C maximum temperature
12
°C minimum temperature
sunshine and showers
7
hours of sunshine
3
UV index (Moderate)
62
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

Portrush weather for Saturday 5th September 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 24 kph from the south-west.

17
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
41
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Portrush weather for Sunday 6th September 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 28 kph from the south.