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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Current UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Cardiff has a mild maritime climate with cool winters and warm summers, though rain is frequent throughout the year. The live forecast above shows current conditions; for the best chance of dry, settled weather, plan your visit between May and September.
When is the best time to visit Cardiff?
Late spring through early autumn (May to September) offers the most sunshine and warmth, with July and August averaging highs around 20°C. School holidays in Wales typically run from late July to early September, so expect busier attractions. If you prefer fewer crowds and lower accommodation costs, June or early September are excellent alternatives.
What should I pack for a trip to Cardiff?
Layers are essential. A waterproof jacket and comfortable walking shoes will serve you well even in summer, as showers can arrive at any time. In winter (December to February), pack a warm coat, hat and gloves as temperatures often drop to 3°C overnight. For a trip to Cardiff Bay or the city centre, smart-casual clothing works for most restaurants and venues.
Does Cardiff get snow?
Snowfall is rare in Cardiff city centre, though light flurries happen once or twice a winter on higher ground. Significant disruption is unusual, but check the live forecast above and any cardiff weather warning from the Met Office if you’re travelling in January or February.
How do I check the weather in Cardiff tomorrow?
The live forecast above shows conditions for the next few days. For a longer view, use our 10 Day Weather Forecast UK page, which also covers weather in cardiff 10 days and weather cardiff 14 days outlooks.
Is Cardiff often foggy?
Fog is most common in autumn and winter, especially overnight and early morning near the coast. Visibility usually improves by mid-morning. The bbc wales cardiff weather reports and Met Office updates will give specific local conditions for your travel dates.
For a broader view of conditions across the country, visit our UK weather hub. If you’re heading west, you might also check the Bristol Weather page, as conditions there often mirror Cardiff’s. For longer-range planning, our 10 Day Weather Forecast UK includes 21 day weather forecast cardiff projections.