Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 12°C. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

  • Monday
    9th Mar
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Tuesday
    10th Mar
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Wednesday
    11th Mar
    Sunshine and showers (2-5 mm of rainfall expected)
  • Thursday
    12th Mar
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Friday
    13th Mar
    Mostly cloudy with light rain (2-5 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Monday 9th March 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 Monday 9th March 2026

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 12°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and a light breeze of 11 kph from the west.

  • 12°C maximum temperature12
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 42% chance of some rain42
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 11 kph from the West11
    kph wind from W

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Cardiff weather for Tuesday 10th March 2026

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 12°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a moderate breeze of 22 kph from the south-west.

  • 12°C maximum temperature12
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 91% chance of some rain91
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Moderate breeze of 22 kph from the South-West22
    kph wind from SW

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Cardiff weather for Wednesday 11th March 2026

Expect sunshine and showers in Cardiff, Wales with a maximum temperature of 13°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 24% chance of some rain and a fresh breeze of 30 kph from the west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 24% chance of some rain24
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Fresh breeze of 30 kph from the West30
    kph wind from W

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Cardiff weather for Thursday 12th March 2026

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 13°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a fresh breeze of 29 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 9°C minimum temperature9
    °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)
  • 87% chance of some rain87
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 29 kph from the South-West29
    kph wind from SW

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Cardiff weather for Friday 13th March 2026

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 9°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 77% chance of some rain and a moderate breeze of 25 kph from the west.

  • 9°C maximum temperature9
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 77% chance of some rain77
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 6°C wind chill6
    °C wind chill
  • Moderate breeze of 25 kph from the West25
    kph wind from W

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

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