Portrush weather live forecast

Today's maximum temperature in Portrush is expected to be 20°C. Select a day from the live weather forecast for Portrush, Northern Ireland, UK for more weather parameters.

Tuesday
11th Aug
20

13

6

5
Wednesday
12th Aug
22

16

4

4
Thursday
13th Aug
24

16

1

4
Friday
14th Aug
19

13

2

4
Saturday
15th Aug
18

12

2

4

5-day weather forecast updated at 04:03 on Tuesday 11th 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 Tuesday 11th August 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from S

Portrush weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Portrush, Northern Ireland with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a moderate breeze of 21 kph from the south.

22
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
36
% chance of some rain
<2
mm of rainfall expected
22
°C wind chill
21
kph wind from S

Portrush weather for Thursday 13th August 2026

Expect isolated thunderstorms in Portrush, Northern Ireland with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 14 kph from the south.

24
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
4
UV index (Moderate)
77
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
14
kph wind from S

Portrush weather for Friday 14th August 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a gentle breeze of 18 kph from the west.

19
°C maximum temperature
13
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
50
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
18
kph wind from W

Portrush weather for Saturday 15th August 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a gentle breeze of 16 kph from the west.