Caerdydd Rain Forecast
Cardiff — Precipitation & Rainfall
Caerdydd Rain Outlook
In Caerdydd today, precipitation is the key feature, with a showery day with little in the way of dry spells expected.
Looking further ahead, the wet-weather pattern for Caerdydd continues with frequent showers and little opportunity for prolonged dry periods. There is some uncertainty in exactly which days will see the heaviest rainfall.
Current & Today
Now
Today
Today’s Hourly Rain Chance
14-Day Precipitation
Rain Charts
Forecast context and reference links
Across Wales, local effects can shift outcomes even when the national pattern is similar. Coastal exposure, terrain, and airflow direction often explain the difference between a near-miss and a wet day.
- Wales Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- Wales for location browsing and regional navigation.
How to interpret confidence
For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.
Background guides
- UK Weather Patterns
- UK Seasonal Weather
- UK Weather Hazards
- UK Weather Safety
- UK Jet Stream
- UK Microclimates
Glossary support
Start with the Weather Glossary. Useful terms for this page include Cold Front, Warm Front, Occluded Front, Relative Humidity, Dew Point, and Orographic Uplift.
FAQ
Will it rain in Caerdydd today?
Rain risk in Caerdydd today is around 86%. Timing can vary locally, especially with showers and passing fronts.
What is the chance of rain in Caerdydd over the next 14 days?
The 14-day rain outlook for Caerdydd shows day-by-day rain chances and an overall wet/dry signal. Use the first few days for detail and the later period for broader risk.
What does ‘chance of rain’ mean for Caerdydd?
It’s the likelihood of measurable precipitation at some point — it does not mean it will rain continuously or everywhere in the area.
When is rain timing most reliable in Caerdydd?
Timing is usually most reliable in the next 24–72 hours. Beyond that, use the outlook to understand overall risk rather than exact hours.
Does the rain forecast for Caerdydd include showers and drizzle?
Yes — the precipitation outlook covers all measurable precipitation types. Light drizzle can be harder to pin down precisely than organised rain bands.