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.

Wednesday
5th Aug
14

13

1

2
Thursday
6th Aug
15

13

5

4
Friday
7th Aug
20

13

5

3
Saturday
8th Aug
18

12

0

3
Sunday
9th Aug
17

11

5

4

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

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 14°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 96% chance of some rain and a strong breeze of 40 kph from the north-west.

14
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
2
UV index (Low)
96
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
40
kph wind from NW

Portrush weather for Thursday 6th August 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a fresh breeze of 29 kph from the north-west.

15
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
4
UV index (Moderate)
29
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
29
kph wind from NW

Portrush weather for Friday 7th August 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the south-west.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from SW

Portrush weather for Saturday 8th August 2026

Expect cloudy with some rain in Portrush, Northern Ireland with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 21 kph from the south.

18
°C maximum temperature
12
°C minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
76
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
21
kph wind from S

Portrush weather for Sunday 9th August 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a fresh breeze of 33 kph from the west.