Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 20°C. Select a day from the live weather forecast for Cardiff, Wales, UK for more weather parameters.

5-day weather forecast updated at 04:00 on Sunday 28th June 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 Sunday 28th June 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 20°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Moderate breeze of 23 kph from the West23
    kph wind from W

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Cardiff weather for Monday 29th June 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the West15
    kph wind from W

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Cardiff weather for Tuesday 30th June 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Moderate breeze of 23 kph from the West23
    kph wind from W

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Cardiff weather for Wednesday 1st July 2026

Expect broken clouds in Cardiff, Wales with a maximum temperature of 21°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Gentle breeze of 17 kph from the West17
    kph wind from W

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Cardiff weather for Thursday 2nd July 2026

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 23°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 23% chance of some rain and a moderate breeze of 28 kph from the west.

  • 23°C maximum temperature23
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 23% chance of some rain23
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Moderate breeze of 28 kph from the West28
    kph wind from W

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