Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 64°F. 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 Wednesday 3rd September 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 Wednesday 3rd September 2025

Expect isolated thunderstorms in Cardiff, Wales with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 81% chance of some rain and a moderate breeze of 17 mph from the west.

  • 64°F maximum temperature64
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 81% chance of some rain81
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 17 mph from the West17
    mph wind from W

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Cardiff weather for Thursday 4th September 2025

Expect sunshine and showers in Cardiff, Wales with a maximum temperature of 63°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 13 mph from the west.

  • 63°F maximum temperature63
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 76% chance of some rain76
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 13 mph from the West13
    mph wind from W

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Cardiff weather for Friday 5th September 2025

Expect broken clouds in Cardiff, Wales with a maximum temperature of 66°F, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the west.

  • 66°F maximum temperature66
    °F maximum temperature
  • 52°F minimum temperature52
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 66°F wind chill66
    °F wind chill
  • Gentle breeze of 9 mph from the West9
    mph wind from W

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Cardiff weather for Saturday 6th September 2025

Expect broken clouds in Cardiff, Wales with a maximum temperature of 72°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the south-east.

  • 72°F maximum temperature72
    °F maximum temperature
  • 54°F minimum temperature54
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 72°F wind chill72
    °F wind chill
  • Gentle breeze of 12 mph from the South-East12
    mph wind from SE

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Cardiff weather for Sunday 7th September 2025

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 70°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a moderate breeze of 12 mph from the south.

  • 70°F maximum temperature70
    °F maximum temperature
  • 57°F minimum temperature57
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 71% chance of some rain71
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Moderate breeze of 12 mph from the South12
    mph wind from S

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