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.

Tuesday
18th Nov
8

4

1

0
Wednesday
19th Nov
4

3

2

0
Thursday
20th Nov
6

1

4

0
Friday
21st Nov
4

-1

0

0
Saturday
22nd Nov
8

4

4

0

5-day weather forecast updated at 04:04 on Tuesday 18th 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 Tuesday 18th November 2025

Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 93% chance of some rain and a fresh breeze of 35 kph from the north.

8
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
0
UV index (None)
93
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
35
kph wind from N

Portstewart weather for Wednesday 19th November 2025

Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 4°C and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a fresh breeze of 36 kph from the north.

4
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
0
UV index (None)
99
% chance of some rain
<10
mm of rainfall expected
-1
°C wind chill
36
kph wind from N

Portstewart weather for Thursday 20th November 2025

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 6°C and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a moderate breeze of 28 kph from the north.

6
°C maximum temperature
1
°C minimum temperature
sunshine and showers
4
hours of sunshine
0
UV index (None)
60
% chance of some rain
<5
mm of rainfall expected
1
°C wind chill
28
kph wind from N

Portstewart weather for Friday 21st November 2025

Expect overcast with light rain in Portstewart, Northern Ireland with a maximum temperature of 4°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a fresh breeze of 29 kph from the south.

4
°C maximum temperature
-1
°C minimum temperature
overcast with light rain
0
hours of sunshine
0
UV index (None)
76
% chance of some rain
<10
mm of rainfall expected
-1
°C wind chill
29
kph wind from S

Portstewart weather for Saturday 22nd November 2025

Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 8°C and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a moderate breeze of 24 kph from the south-west.