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.

Thursday
12th Nov
9

6

4

1
Friday
13th Nov
8

3

5

0
Saturday
14th Nov
8

2

1

1
Sunday
15th Nov
9

6

2

0
Monday
16th Nov
8

2

3

0

5-day weather forecast updated at 04:03 on Thursday 12th November 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 Thursday 12th November 2026

Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 9°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the north.

9
°C maximum temperature
6
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
31
kph wind from N

Portstewart weather for Friday 13th November 2026

Expect broken 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 20 kph from the south-west.

8
°C maximum temperature
3
°C minimum temperature
broken clouds
5
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
5
°C wind chill
20
kph wind from SW

Portstewart weather for Saturday 14th November 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 8°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a fresh breeze of 31 kph from the south.

8
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
46
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
31
kph wind from S

Portstewart weather for Sunday 15th November 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 9°C and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 88% chance of some rain and a fresh breeze of 31 kph from the south.

9
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
88
% chance of some rain
<5
mm of rainfall expected
5
°C wind chill
31
kph wind from S

Portstewart weather for Monday 16th November 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 58% chance of some rain and a moderate breeze of 20 kph from the north.