Portrush weather live forecast

Today's maximum temperature in Portrush is expected to be 16°C. Select a day from the live weather forecast for Portrush, Northern Ireland, UK for more weather parameters.

Friday
4th Sep
16

13

6

3
Saturday
5th Sep
16

13

4

2
Sunday
6th Sep
22

15

3

2
Monday
7th Sep
18

11

0

3
Tuesday
8th Sep
15

10

3

3

5-day weather forecast updated at 04:03 on Friday 4th 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 Friday 4th September 2026

Expect sunshine and showers in Portrush, Northern Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a fresh breeze of 35 kph from the west.

16
°C maximum temperature
13
°C minimum temperature
sunshine and showers
6
hours of sunshine
3
UV index (Moderate)
42
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
35
kph wind from W

Portrush weather for Saturday 5th September 2026

Expect broken clouds in Portrush, Northern Ireland with a maximum temperature of 16°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.

16
°C maximum temperature
13
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from W

Portrush weather for Sunday 6th September 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 22°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a fresh breeze of 33 kph from the south.

22
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
41
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
33
kph wind from S

Portrush weather for Monday 7th September 2026

Expect overcast with light 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 0-2 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 19 kph from the south-west.

18
°C maximum temperature
11
°C minimum temperature
overcast with light rain
0
hours of sunshine
3
UV index (Moderate)
63
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
19
kph wind from SW

Portrush weather for Tuesday 8th September 2026

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 84% chance of some rain and a fresh breeze of 34 kph from the north-west.