Portrush weather live forecast

Today's maximum temperature in Portrush is expected to be 10°C. Select a day from the live weather forecast for Portrush, Northern Ireland, UK for more weather parameters.

Saturday
16th May
10

7

2

1
Sunday
17th May
10

7

2

2
Monday
18th May
13

6

2

4
Tuesday
19th May
16

9

3

3
Wednesday
20th May
18

10

3

5

5-day weather forecast updated at 04:03 on Saturday 16th May 2026 GMT

More about Portrush

Portrush by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Northern Ireland

Fred Olsen: Top cruise offers for 2026/2027

Sale

Explore latest offers on Fred Olsen Cruises in 2026/2027
Find last minute deals or early bird discounts
Filter offers by price, destination, ship & departure point

Go to Fred Olsen deal >>

View all Fred Olsen offers

Cruise deal finder

Destination

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 16th May 2026

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 84% chance of some rain and a moderate breeze of 23 kph from the west.

10
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
84
% chance of some rain
<10
mm of rainfall expected
7
°C wind chill
23
kph wind from W

Portrush weather for Sunday 17th May 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 10°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 22 kph from the west.

10
°C maximum temperature
7
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
78
% chance of some rain
<5
mm of rainfall expected
7
°C wind chill
22
kph wind from W

Portrush weather for Monday 18th May 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 77% chance of some rain and a fresh breeze of 29 kph from the south-east.

13
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
77
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
29
kph wind from SE

Portrush weather for Tuesday 19th May 2026

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 28 kph from the south.

16
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
3
UV index (Moderate)
90
% chance of some rain
<10
mm of rainfall expected
16
°C wind chill
28
kph wind from S

Portrush weather for Wednesday 20th May 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 25 kph from the west.