Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 11°C. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

  • Monday
    15th Dec
    Cloudy with some rain (30-40 mm of rainfall expected)
  • Tuesday
    16th Dec
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Wednesday
    17th Dec
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Thursday
    18th Dec
    Overcast with light rain (10-20 mm of rainfall expected)
  • Friday
    19th Dec
    Sunshine and showers (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Monday 15th December 2025 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 Monday 15th December 2025

Expect cloudy with some rain in Cardiff, Wales with a maximum temperature of 11°C and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 21 kph from the south.

  • 11°C maximum temperature11
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 99% chance of some rain99
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 21 kph from the South21
    kph wind from S

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Cardiff weather for Tuesday 16th December 2025

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 9°C and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 9% chance of some rain and a light breeze of 7 kph from the north-west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 9% chance of some rain9
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 8°C wind chill8
    °C wind chill
  • Light breeze of 7 kph from the North-West7
    kph wind from NW

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Cardiff weather for Wednesday 17th December 2025

Expect cloudy with some rain in Cardiff, Wales with a maximum temperature of 10°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 22 kph from the south.

  • 10°C maximum temperature10
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 78% chance of some rain78
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the South22
    kph wind from S

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Cardiff weather for Thursday 18th December 2025

Expect overcast with light rain in Cardiff, Wales with a maximum temperature of 11°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a fresh breeze of 36 kph from the south.

  • 11°C maximum temperature11
    °C maximum temperature
  • 7°C minimum temperature7
    °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)
  • 84% chance of some rain84
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 36 kph from the South36
    kph wind from S

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Cardiff weather for Friday 19th December 2025

Expect sunshine and showers in Cardiff, Wales with a maximum temperature of 9°C and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 27% chance of some rain and a moderate breeze of 22 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 3 hours of bright sunshine3
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 27% chance of some rain27
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 22 kph from the West22
    kph wind from W

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  • Travel before 8th October 2026 (inclusive)

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

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