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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the MarketUK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Cardiff’s weather today shows [refer to the live forecast above for temperature and conditions]. The city’s maritime climate means mild, damp winters and cool, often changeable summers, with rain spread throughout the year.
How does the weather in Cardiff vary through the year?
Average daily highs range from 8°C in January to 20°C in July. Rainfall is fairly evenly distributed, though autumn and winter tend to be wetter. weather in Cardiff tomorrow and cardiff weather saturday often follow the same pattern: variable cloud with a chance of showers, typical for South Wales. For a longer view, check weather in Cardiff 10 days or the 21 day weather forecast Cardiff for planning.
What should I know about Cardiff’s rainfall and warnings?
Annual rainfall averages around 1,100 mm, with the wettest months from October to December. The bbc wales cardiff weather service frequently highlights cardiff weather warning periods for heavy rain or strong winds, particularly during autumn storms. The bbc weather cardiff cf14 postcode area can see more localised showers due to the nearby hills.
When is the best time to visit Cardiff for good weather?
Late spring (May–June) and early autumn (September) offer the best balance of mild temperatures, lower rainfall, and longer daylight hours. July and August are warmest but can be more crowded and still see showers.
Does Cardiff often get snow?
Snow is infrequent and usually light. The city averages around 10–12 days of snow or sleet per year, with significant accumulation rare. When snow does fall, it often melts within a day or two.
How accurate are the BBC Wales Cardiff weather forecasts?
BBC Wales uses Met Office data, providing reliable 5‑day outlooks. For weather cardiff 14 days forecasts, accuracy decreases after day 7, but trends for temperature and general conditions are useful for planning.
For the full picture, explore our UK weather hub and see conditions in nearby Bristol Weather. If you’re planning ahead, our 10 Day Weather Forecast UK page extends the outlook further.