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.

Wednesday
11th Nov
9

3

4

1
Thursday
12th Nov
9

6

4

1
Friday
13th Nov
9

1

3

0
Saturday
14th Nov
8

-1

4

1
Sunday
15th Nov
8

3

0

0

5-day weather forecast updated at 04:03 on Wednesday 11th 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 Wednesday 11th 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 32 kph from the north.

9
°C maximum temperature
3
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
32
kph wind from N

Portstewart weather for Thursday 12th November 2026

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
30
kph wind from N

Portstewart weather for Friday 13th November 2026

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 moderate breeze of 21 kph from the south-west.

9
°C maximum temperature
1
°C minimum temperature
broken clouds
3
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
5
°C wind chill
21
kph wind from SW

Portstewart weather for Saturday 14th November 2026

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 moderate breeze of 21 kph from the south.

8
°C maximum temperature
-1
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
21
kph wind from S

Portstewart weather for Sunday 15th November 2026

Expect overcast with light rain in Portstewart, Northern Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 74% chance of some rain and a fresh breeze of 31 kph from the south.