Portrush weather live forecast

Today's maximum temperature in Portrush is expected to be 15°C. Select a day from the live weather forecast for Portrush, Northern Ireland, UK for more weather parameters.

Saturday
29th Aug
15

14

4

2
Sunday
30th Aug
17

13

1

2
Monday
31st Aug
17

12

4

3
Tuesday
1st Sep
19

11

1

2
Wednesday
2nd Sep
19

12

5

2

5-day weather forecast updated at 04:03 on Saturday 29th 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 Saturday 29th August 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 15°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north.

15
°C maximum temperature
14
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from N

Portrush weather for Sunday 30th August 2026

Expect isolated thunderstorms in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 14 kph from the south.

17
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
2
UV index (Low)
95
% chance of some rain
<10
mm of rainfall expected
17
°C wind chill
14
kph wind from S

Portrush weather for Monday 31st August 2026

Expect isolated thunderstorms in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 28 kph from the north-west.

17
°C maximum temperature
12
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
3
UV index (Moderate)
36
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
28
kph wind from NW

Portrush weather for Tuesday 1st September 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 19°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 54% chance of some rain and a fresh breeze of 36 kph from the south-west.

19
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
54
% chance of some rain
<5
mm of rainfall expected
19
°C wind chill
36
kph wind from SW

Portrush weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 19°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a fresh breeze of 35 kph from the west.