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Portstewart weather live forecast
Today's maximum temperature in Portstewart is expected to be 11°C. Select a day from the live weather forecast for Portstewart, Northern Ireland, UK for more weather parameters.
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Friday
24th Oct -
Saturday
25th Oct -
Sunday
26th Oct -
Monday
27th Oct -
Tuesday
28th Oct
5-day weather forecast updated at 04:03 on Thursday 23rd October 2025 GMT
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Recommended for Northern Ireland
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 24th October 2025
Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a strong breeze of 43 kph from the north.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with rain
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from N
Portstewart weather for Saturday 25th October 2025
Expect broken clouds in Portstewart, Northern Ireland with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 43 kph from the north.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hour of sunshine
- UV index (Low)
- mm of rainfall expected
- °C wind chill
- kph wind from N
Portstewart weather for Sunday 26th October 2025
Expect mostly cloudy with rain in Portstewart, Northern Ireland with a maximum temperature of 11°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 83% chance of some rain and a fresh breeze of 37 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with rain
- hours of sunshine
- UV index (None)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from NW
Portstewart weather for Monday 27th October 2025
Expect mostly cloudy with light rain in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 67% chance of some rain and a fresh breeze of 37 kph from the north-west.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with light rain
- hour of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from NW
Portstewart weather for Tuesday 28th October 2025
Expect sunshine and showers in Portstewart, Northern Ireland with a maximum temperature of 11°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a fresh breeze of 30 kph from the west.
- °C maximum temperature
- °C minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- kph wind from W
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Metric (°C / mm) | Imperial (°F / inches)
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