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Wales weather live forecast
Today's maximum temperature in Wales is expected to be 20°C. Select a day from the live weather forecast for Wales (Cardiff), UK for more weather parameters.
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Thursday
18th Sep -
Friday
19th Sep -
Saturday
20th Sep -
Sunday
21st Sep -
Monday
22nd Sep
5-day weather forecast updated at 04:00 on Thursday 18th September 2025 GMT
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Recommended for Wales
The 5-day weather forecast for Wales (Cardiff) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.
Top Wales destinations
Below are temperatures expected today at popular countries, regions and places in Wales. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.
All Wales regions
All Wales destinations
- Aberaeron
- Abergavenny
- Aberystwyth
- Bangor
- Barmouth
- Betws-y-Coed
- Brecon
- Builth Wells
- Caernarfon
- Camarthen
- Cardiff
- Chepstow
- Colwyn Bay
- Cowbridge
- Fishguard
- Gower Peninsula
- Haverfordwest
- Hay-on-Wye
- Holyhead
- Lake Vyrnwy
- Llangollen
- Machynlleth
- Monmouth
- Pembroke
- Porthcawl
- Porthmadog
- Pwllheli
- Rhayader
- Rhyl
- St Davids
- Swansea
- Tenby
- Welshpool
- Wrexham
Wales weather forecast by day
Below are the detailed weather forecasts for Wales for the next 5 days. The forecasts shown are for Cardiff and may not represent the whole of Wales. Browse more destinations in Wales to view more weather forecasts.
Wales weather for Thursday 18th September 2025
Expect mostly cloudy with light rain in Wales with a maximum temperature of 20°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a moderate breeze of 21 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with light rain
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from SW
Wales weather for Friday 19th September 2025
Expect broken clouds in Wales with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.
- °C maximum temperature
- °C minimum temperature
- broken clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- no heat & humidity
- kph wind from S
Wales weather for Saturday 20th September 2025
Expect mostly cloudy with light rain in Wales with a maximum temperature of 19°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and a light breeze of 12 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with light rain
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- kph wind from SW
Wales weather for Sunday 21st September 2025
Expect sunshine and showers in Wales with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 55% chance of some rain and a light breeze of 12 kph from the south-west.
- °C maximum temperature
- °C minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from SW
Wales weather for Monday 22nd September 2025
Expect sunshine and showers in Wales with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 31% chance of some rain and a moderate breeze of 22 kph from the north-east.
- °C maximum temperature
- °C minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (Moderate)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from NE
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Metric (°C / mm) | Imperial (°F / inches)
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