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.

Friday
14th Nov
8

7

4

1
Saturday
15th Nov
9

7

3

0
Sunday
16th Nov
8

4

5

0
Monday
17th Nov
7

3

1

0
Tuesday
18th Nov
6

3

2

0

5-day weather forecast updated at 04:03 on Friday 14th 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 Friday 14th November 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 8°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 40 kph from the east.

8
°C maximum temperature
7
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
40
kph wind from E

Portstewart weather for Saturday 15th November 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 9°C and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 39 kph from the east.

9
°C maximum temperature
7
°C minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
5
°C wind chill
39
kph wind from E

Portstewart weather for Sunday 16th November 2025

Expect scattered clouds in Portstewart, Northern Ireland with a maximum temperature of 8°C and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north.

8
°C maximum temperature
4
°C minimum temperature
scattered clouds
5
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
4
°C wind chill
26
kph wind from N

Portstewart weather for Monday 17th November 2025

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 7°C and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north.

7
°C maximum temperature
3
°C minimum temperature
broken clouds
1
hour of sunshine
0
UV index (None)
0
mm of rainfall expected
3
°C wind chill
26
kph wind from N

Portstewart weather for Tuesday 18th November 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 6°C and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 14 kph from the north-west.