Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 8°C. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

  • Saturday
    17th Jan
    Broken clouds
  • Sunday
    18th Jan
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Monday
    19th Jan
    Overcast with light rain (2-5 mm of rainfall expected)
  • Tuesday
    20th Jan
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Wednesday
    21st Jan
    Mostly cloudy with rain (10-20 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Saturday 17th January 2026 GMT

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

Cardiff weather forecast by day

Below are the detailed weather forecasts for Cardiff for the next 5 days.

Cardiff weather for Saturday 17th January 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 8°C and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

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Cardiff weather for Sunday 18th January 2026

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 8°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a light breeze of 10 kph from the north-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °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)
  • 69% chance of some rain69
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 10 kph from the North-East10
    kph wind from NE

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Cardiff weather for Monday 19th January 2026

Expect overcast with light rain in Cardiff, Wales with a maximum temperature of 8°C and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and little or no wind of 6 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 53% chance of some rain53
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 8°C wind chill8
    °C wind chill
  • Little or no wind of 6 kph from the South-East6
    kph wind from SE

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Cardiff weather for Tuesday 20th January 2026

Expect cloudy with some rain in Cardiff, Wales with a maximum temperature of 8°C and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 19 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 48% chance of some rain48
    % 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 South-East19
    kph wind from SE

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Cardiff weather for Wednesday 21st January 2026

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 9°C and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 19 kph from the south-east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 5°C minimum temperature5
    °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)
  • 57% chance of some rain57
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Gentle breeze of 19 kph from the South-East19
    kph wind from SE

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  • Book hotels in the UK for £35 or less (London from £49)
  • Prices based on lowest saver room rates. T&Cs apply
  • Travel before 20th March 2026 (inclusive)

Expires at 23:59 on Friday 20th Mar 2026 · View all Travelodge offers

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

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