Cardiff weather live forecast

Today's maximum temperature in Cardiff is expected to be 19°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 Tuesday 2nd September 2025 GMT

More about Cardiff

Cardiff by month

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

Recommended for Wales

Britannia Hotels: Weekly last minute deals

  • Book last minute stays from £54 per night
  • Offer Includes breakfast for 2 people
  • Discover 50 locations all across the UK
Go to Britannia Hotels deal >>

View all Britannia 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 Tuesday 2nd September 2025

Expect mostly cloudy with light rain in Cardiff, Wales with a maximum temperature of 19°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 13 kph from the south-east.

  • 19°C maximum temperature19
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 75% chance of some rain75
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Gentle breeze of 13 kph from the South-East13
    kph wind from SE

Back to top

Cardiff weather for Wednesday 3rd September 2025

Expect isolated thunderstorms in Cardiff, Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 27 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 94% chance of some rain94
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 27 kph from the West27
    kph wind from W

Back to top

Cardiff weather for Thursday 4th September 2025

Expect broken clouds in Cardiff, Wales with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 12°C minimum temperature12
    °C 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
  • 18°C wind chill18
    °C wind chill
  • Moderate breeze of 23 kph from the West23
    kph wind from W

Back to top

Cardiff weather for Friday 5th September 2025

Expect broken clouds in Cardiff, Wales with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 19°C wind chill19
    °C wind chill
  • Gentle breeze of 14 kph from the West14
    kph wind from W

Back to top

Cardiff weather for Saturday 6th September 2025

Expect broken clouds in Cardiff, Wales with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Moderate breeze of 22 kph from the South-East22
    kph wind from SE

Back to top

easyHotel: Best price guranteed deal

  • Book directly on easyHotel for best price gurantee
  • Discover stays across Spain, Switzerland & beyond
  • Become a clubBedzzz member for an EXTRA 10% off
Go to easyHotel deal >>

View all easyHotel 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 ^