Portstewart weather live forecast

Today's maximum temperature in Portstewart is expected to be 7°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.

Wednesday
11th Feb
7

5

0

0
Thursday
12th Feb
5

3

0

0
Friday
13th Feb
5

-1

7

1
Saturday
14th Feb
5

-3

1

1
Sunday
15th Feb
8

2

5

1

5-day weather forecast updated at 04:03 on Wednesday 11th February 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 February 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 7°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 24 kph from the east.

7
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
90
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
24
kph wind from E

Portstewart weather for Thursday 12th February 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 5°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 78% chance of some rain and a fresh breeze of 34 kph from the north-east.

5
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
78
% chance of some rain
<5
mm of rainfall expected
0
°C wind chill
34
kph wind from NE

Portstewart weather for Friday 13th February 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 5°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a moderate breeze of 27 kph from the north.

5
°C maximum temperature
-1
°C minimum temperature
sunshine and showers
7
hours of sunshine
1
UV index (Low)
24
% chance of some rain
<2
mm of rainfall expected
1
°C wind chill
27
kph wind from N

Portstewart weather for Saturday 14th February 2026

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 5°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a strong breeze of 40 kph from the south.

5
°C maximum temperature
-3
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
71
% chance of some rain
<5
mm of rainfall expected
-1
°C wind chill
40
kph wind from S

Portstewart weather for Sunday 15th February 2026

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 8°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a fresh breeze of 31 kph from the west.