Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 8°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Wednesday
24th Dec
8

3

4

0
Thursday
25th Dec
5

2

3

0
Friday
26th Dec
5

1

4

0
Saturday
27th Dec
6

2

3

0
Sunday
28th Dec
5

1

1

0

5-day weather forecast updated at 04:04 on Wednesday 24th December 2025 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 24th December 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 8°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

8
°C maximum temperature
3
°C minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
6
°C wind chill
14
kph wind from SE

Portstewart weather for Thursday 25th December 2025

Expect scattered clouds in Portstewart, Northern Ireland with a maximum temperature of 5°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-east.

5
°C maximum temperature
2
°C minimum temperature
scattered clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
1
°C wind chill
15
kph wind from SE

Portstewart weather for Friday 26th December 2025

Expect scattered clouds in Portstewart, Northern Ireland with a maximum temperature of 5°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

5
°C maximum temperature
1
°C minimum temperature
scattered clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
12
kph wind from E

Portstewart weather for Saturday 27th December 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 6°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the east.

6
°C maximum temperature
2
°C minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
2
°C wind chill
25
kph wind from E

Portstewart weather for Sunday 28th December 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 5°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-east.