Portrush weather live forecast

Today's maximum temperature in Portrush is expected to be 17°C. Select a day from the live weather forecast for Portrush, Northern Ireland, UK for more weather parameters.

Tuesday
22nd Sep
17

13

2

1
Wednesday
23rd Sep
13

11

7

2
Thursday
24th Sep
17

10

0

1
Friday
25th Sep
15

10

2

2
Saturday
26th Sep
17

9

6

2

5-day weather forecast updated at 04:03 on Tuesday 22nd 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 Tuesday 22nd September 2026

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 18 kph from the south.

17
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
93
% chance of some rain
<10
mm of rainfall expected
17
°C wind chill
18
kph wind from S

Portrush weather for Wednesday 23rd September 2026

Expect sunshine and showers in Portrush, Northern Ireland with a maximum temperature of 13°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 25% chance of some rain and a moderate breeze of 21 kph from the north-west.

13
°C maximum temperature
11
°C minimum temperature
sunshine and showers
7
hours of sunshine
2
UV index (Low)
25
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
21
kph wind from NW

Portrush weather for Thursday 24th September 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a fresh breeze of 36 kph from the south.

17
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
1
UV index (Low)
52
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
36
kph wind from S

Portrush weather for Friday 25th September 2026

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 15°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a moderate breeze of 20 kph from the south-west.

15
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
33
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Portrush weather for Saturday 26th September 2026

Expect sunshine and showers in Portrush, Northern Ireland with a maximum temperature of 17°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 25 kph from the south.