Cardiff weather live forecast

Tomorrow's maximum temperature in Cardiff is expected to be 12°C.

  • Friday
    18th Apr
    Cloudy with some rain (10-20 mm of rainfall expected)
  • Saturday
    19th Apr
    Mostly cloudy with rain (10-20 mm of rainfall expected)
  • Sunday
    20th Apr
    Broken clouds
  • Monday
    21st Apr
    Sunshine and showers (2-5 mm of rainfall expected)
  • Tuesday
    22nd Apr
    Mostly cloudy with rain (5-10 mm of rainfall expected)

5-day weather forecast updated at 04:00 on Friday 18th April 2025 GMT

More about Cardiff

Cardiff by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Wales

Warner Hotels: up to 30% summer stays

  • Save up to 30% on summer stays with Warner Hotels
  • Discover stays in the Lakeside, Somerset & beyond
  • Travel before 30th September 2025 (inclusive)
Go to Warner Hotels deal >>

Expires at 23:59 on Tuesday 20th May 2025 · View all Warner Hotels offers

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 Friday 18th April 2025

Expect cloudy with some rain in Cardiff, Wales with a maximum temperature of 12°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 98% chance of some rain and a moderate breeze of 23 kph from the south-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 9°C minimum temperature9
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 98% chance of some rain98
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the South-East23
    kph wind from SE

Back to top

Cardiff weather for Saturday 19th April 2025

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 65% chance of some rain and a gentle breeze of 19 kph from the east.

  • 14°C maximum temperature14
    °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
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 65% chance of some rain65
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 19 kph from the East19
    kph wind from E

Back to top

Cardiff weather for Sunday 20th April 2025

Expect broken clouds in Cardiff, Wales with a maximum temperature of 15°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

  • 15°C maximum temperature15
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the North-East15
    kph wind from NE

Back to top

Cardiff weather for Monday 21st April 2025

Expect sunshine and showers in Cardiff, Wales with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 65% chance of some rain and a moderate breeze of 24 kph from the west.

  • 14°C maximum temperature14
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 65% chance of some rain65
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Moderate breeze of 24 kph from the West24
    kph wind from W

Back to top

Cardiff weather for Tuesday 22nd April 2025

Expect mostly cloudy with rain in Cardiff, Wales with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 17 kph from the south-west.

  • 13°C maximum temperature13
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 60% chance of some rain60
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Gentle breeze of 17 kph from the South-West17
    kph wind from SW

Back to top

Marriott discount code: Kids stay & eat for free

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12
Show discount codeShow discount code ******ZJ6
Redeem Marriott discount code >>

View all Marriott offers

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

Back to top

More about Wales

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^