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.

Friday
14th Aug
18

14

3

4
Saturday
15th Aug
15

13

2

2
Sunday
16th Aug
16

13

0

2
Monday
17th Aug
19

14

0

2
Tuesday
18th Aug
19

13

3

3

5-day weather forecast updated at 04:03 on Friday 14th 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 Friday 14th August 2026

Expect isolated thunderstorms in Portrush, Northern Ireland with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 8% chance of some rain and a moderate breeze of 23 kph from the north-west.

18
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
8
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
23
kph wind from NW

Portrush weather for Saturday 15th August 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 15°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

15
°C maximum temperature
13
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
19
kph wind from NW

Portrush weather for Sunday 16th August 2026

Expect overcast skies in Portrush, Northern Ireland with a maximum temperature of 16°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

16
°C maximum temperature
13
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from S

Portrush weather for Monday 17th August 2026

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 19°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a gentle breeze of 18 kph from the south-west.

19
°C maximum temperature
14
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
67
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
18
kph wind from SW

Portrush weather for Tuesday 18th August 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a moderate breeze of 23 kph from the west.