Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 41°F. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Wednesday
19th Nov
41

37

3

0
Thursday
20th Nov
41

37

4

0
Friday
21st Nov
39

32

0

0
Saturday
22nd Nov
45

39

2

0
Sunday
23rd Nov
45

39

1

0

5-day weather forecast updated at 04:04 on Wednesday 19th November 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 19th November 2025

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 41°F and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 93% chance of some rain and a fresh breeze of 23 mph from the north.

41
°F maximum temperature
37
°F minimum temperature
mostly cloudy with rain
3
hours of sunshine
0
UV index (None)
93
% chance of some rain
<10
mm of rainfall expected
32
°F wind chill
23
mph wind from N

Portstewart weather for Thursday 20th November 2025

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 41°F and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 17 mph from the north.

41
°F maximum temperature
37
°F minimum temperature
sunshine and showers
4
hours of sunshine
0
UV index (None)
80
% chance of some rain
<2
mm of rainfall expected
32
°F wind chill
17
mph wind from N

Portstewart weather for Friday 21st November 2025

Expect overcast with light rain in Portstewart, Northern Ireland with a maximum temperature of 39°F and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a fresh breeze of 18 mph from the south.

39
°F maximum temperature
32
°F minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
67
% chance of some rain
<10
mm of rainfall expected
30
°F wind chill
18
mph wind from S

Portstewart weather for Saturday 22nd November 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 45°F and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a light breeze of 7 mph from the south-west.

45
°F maximum temperature
39
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
52
% chance of some rain
<5
mm of rainfall expected
41
°F wind chill
7
mph wind from SW

Portstewart weather for Sunday 23rd November 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 45°F and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 11 mph from the north-west.