Portrush weather live forecast

Today's maximum temperature in Portrush is expected to be 57°F. Select a day from the live weather forecast for Portrush, Northern Ireland, UK for more weather parameters.

Tuesday
16th Sep
57

54

5

2
Wednesday
17th Sep
61

54

0

3
Thursday
18th Sep
63

54

2

2
Friday
19th Sep
61

52

1

2
Saturday
20th Sep
55

48

5

3

5-day weather forecast updated at 04:04 on Tuesday 16th September 2025 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 16th September 2025

Expect mostly cloudy with rain in Portrush, Northern Ireland with a maximum temperature of 57°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 19 mph from the west.

57
°F maximum temperature
54
°F minimum temperature
mostly cloudy with rain
5
hours of sunshine
2
UV index (Low)
46
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
19
mph wind from W

Portrush weather for Wednesday 17th September 2025

Expect cloudy with some rain in Portrush, Northern Ireland with a maximum temperature of 61°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 29% chance of some rain and a fresh breeze of 22 mph from the south-west.

61
°F maximum temperature
54
°F minimum temperature
cloudy with some rain
0
hours of sunshine
3
UV index (Moderate)
29
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
22
mph wind from SW

Portrush weather for Thursday 18th September 2025

Expect mostly cloudy with light rain in Portrush, Northern Ireland with a maximum temperature of 63°F, 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 fresh breeze of 21 mph from the south-west.

63
°F maximum temperature
54
°F 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
63
°F wind chill
21
mph wind from SW

Portrush weather for Friday 19th September 2025

Expect cloudy with some rain in Portrush, Northern Ireland with a maximum temperature of 61°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 9 mph from the south-west.

61
°F maximum temperature
52
°F minimum temperature
cloudy with some rain
1
hour of sunshine
2
UV index (Low)
39
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
9
mph wind from SW

Portrush weather for Saturday 20th September 2025

Expect sunshine and showers in Portrush, Northern Ireland with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 8 mph from the north-east.