Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 9°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Wednesday
28th Jan
9

4

7

0
Thursday
29th Jan
7

5

0

0
Friday
30th Jan
8

5

0

0
Saturday
31st Jan
8

5

3

0
Sunday
1st Feb
8

4

1

0

5-day weather forecast updated at 04:04 on Wednesday 28th January 2026 GMT

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The 5-day weather forecast for Northern Ireland (Portstewart) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Portstewart weather forecast by day

Below are the detailed weather forecasts for Portstewart for the next 5 days.

Portstewart weather for Wednesday 28th January 2026

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 9°C and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the south-east.

9
°C maximum temperature
4
°C minimum temperature
broken clouds
7
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
5
°C wind chill
29
kph wind from SE

Portstewart weather for Thursday 29th January 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 7°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 29% chance of some rain and a strong breeze of 40 kph from the south-east.

7
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
29
% chance of some rain
<2
mm of rainfall expected
2
°C wind chill
40
kph wind from SE

Portstewart weather for Friday 30th January 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and a fresh breeze of 37 kph from the south-east.

8
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
69
% chance of some rain
<2
mm of rainfall expected
3
°C wind chill
37
kph wind from SE

Portstewart weather for Saturday 31st January 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 8°C and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a moderate breeze of 25 kph from the south-east.

8
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
0
UV index (None)
41
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
25
kph wind from SE

Portstewart weather for Sunday 1st February 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a fresh breeze of 31 kph from the south.