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Northern Ireland weather live forecast
Today's maximum temperature in Northern Ireland is expected to be 64°F. Select a day from the live weather forecast for Northern Ireland (Belfast), UK for more weather parameters.
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Thursday
18th Sep -
Friday
19th Sep -
Saturday
20th Sep -
Sunday
21st Sep -
Monday
22nd Sep
5-day weather forecast updated at 04:00 on Thursday 18th September 2025 GMT
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Recommended for Northern Ireland
The 5-day weather forecast for Northern Ireland (Belfast) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
Top Northern Ireland destinations
Below are temperatures expected today at popular countries, regions and places in Northern Ireland. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.
All Northern Ireland destinations
- Antrim
- Armagh
- Ballycastle
- Ballymena
- Ballymoney
- Bangor
- Belfast
- Carrickfergus
- Coleraine
- Downpatrick
- Dungannon
- Enniskillen
- Hillsborough
- Kilkeel
- Larne
- Londonderry
- Magherafelt
- Newcastle
- Newry
- Omagh
- Portrush
- Portstewart
- Strabane
Northern Ireland weather forecast by day
Below are the detailed weather forecasts for Northern Ireland for the next 5 days. The forecasts shown are for Belfast and may not represent the whole of Northern Ireland. Browse more destinations in Northern Ireland to view more weather forecasts.
Northern Ireland weather for Thursday 18th September 2025
Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 64°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 73% chance of some rain and a moderate breeze of 14 mph from the south-west.
- °F maximum temperature
- °F minimum temperature
- mostly cloudy with light rain
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- °F wind chill
- mph wind from SW
Northern Ireland weather for Friday 19th September 2025
Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 64°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 24% chance of some rain and a gentle breeze of 11 mph from the south-west.
- °F maximum temperature
- °F minimum temperature
- mostly cloudy with light rain
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- °F wind chill
- mph wind from SW
Northern Ireland weather for Saturday 20th September 2025
Expect mostly cloudy with rain in Northern Ireland with a maximum temperature of 55°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a fresh breeze of 19 mph from the north.
- °F maximum temperature
- °F minimum temperature
- mostly cloudy with rain
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- mph wind from N
Northern Ireland weather for Sunday 21st September 2025
Expect broken clouds in Northern Ireland with a maximum temperature of 55°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 19 mph from the north.
- °F maximum temperature
- °F minimum temperature
- broken clouds
- hours of sunshine
- UV index (Low)
- mm of rainfall expected
- °F wind chill
- mph wind from N
Northern Ireland weather for Monday 22nd September 2025
Expect scattered clouds in Northern Ireland with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the north.
- °F maximum temperature
- °F minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- no heat & humidity
- mph wind from N
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