Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 46°F. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Wednesday
24th Dec
46

37

4

0
Thursday
25th Dec
41

36

3

0
Friday
26th Dec
41

34

4

0
Saturday
27th Dec
43

36

3

0
Sunday
28th Dec
41

34

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 46°F and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

46
°F maximum temperature
37
°F minimum temperature
broken clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
43
°F wind chill
9
mph wind from SE

Portstewart weather for Thursday 25th December 2025

Expect scattered clouds in Portstewart, Northern Ireland with a maximum temperature of 41°F and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-east.

41
°F maximum temperature
36
°F minimum temperature
scattered clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
34
°F wind chill
9
mph wind from SE

Portstewart weather for Friday 26th December 2025

Expect scattered clouds in Portstewart, Northern Ireland with a maximum temperature of 41°F and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

41
°F maximum temperature
34
°F minimum temperature
scattered clouds
4
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
36
°F wind chill
7
mph wind from E

Portstewart weather for Saturday 27th December 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 43°F and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the east.

43
°F maximum temperature
36
°F minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
36
°F wind chill
16
mph wind from E

Portstewart weather for Sunday 28th December 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 41°F and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-east.