Northern Ireland weather live forecast

Today's maximum temperature in Northern Ireland is expected to be 9°C. Select a day from the live weather forecast for Northern Ireland (Belfast), UK for more weather parameters.

  • Friday
    19th Dec
    Broken clouds
  • Saturday
    20th Dec
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Sunday
    21st Dec
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Monday
    22nd Dec
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Tuesday
    23rd Dec
    Mostly cloudy with rain (10-20 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Thursday 18th December 2025 GMT

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The 5-day weather forecast for Northern Ireland (Belfast) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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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.

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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 Friday 19th December 2025

Expect broken clouds in 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 26 kph from the south-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Moderate breeze of 26 kph from the South-West26
    kph wind from SW

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Northern Ireland weather for Saturday 20th December 2025

Expect mostly cloudy with light rain in Northern Ireland with a maximum temperature of 10°C and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 28 kph from the south.

  • 10°C maximum temperature10
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 70% chance of some rain70
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 28 kph from the South28
    kph wind from S

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Northern Ireland weather for Sunday 21st December 2025

Expect mostly cloudy with rain in Northern Ireland with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 19 kph from the east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 63% chance of some rain63
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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Northern Ireland weather for Monday 22nd December 2025

Expect mostly cloudy with rain in Northern Ireland with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 13 kph from the east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 59% chance of some rain59
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Northern Ireland weather for Tuesday 23rd December 2025

Expect mostly cloudy with rain in Northern Ireland with a maximum temperature of 8°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 36% chance of some rain and a gentle breeze of 18 kph from the east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 36% chance of some rain36
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Gentle breeze of 18 kph from the East18
    kph wind from E

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Metric (°C / mm)  |  Imperial (°F / inches)

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