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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Daily Press UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows the current conditions for Ystradgynlais, based on data from the Met Office and BBC Weather. This gives a reliable snapshot of what to expect in this Powys town over the next few hours, helping you plan your day.
What is the typical weather pattern for Ystradgynlais?
Ystradgynlais sits in the Upper Swansea Valley, which means it often experiences cooler temperatures and higher rainfall than nearby coastal areas. The surrounding hills can create localised conditions, with mist and low cloud common in the early mornings, particularly in autumn and winter. The live forecast above will reflect these local variations.
How can I check the Met Office weather for Ystradgynlais?
For detailed, long-range predictions, the met office weather ystradgynlais page provides hourly breakdowns and severe weather warnings. Combining the live forecast above with the Met Office’s data gives you a balanced view, whether you need it for walking, commuting, or general planning.
Is Ystradgynlais often colder than Swansea?
Yes, due to its inland valley position, Ystradgynlais is typically 2–3°C cooler than Swansea, especially overnight. Frost is more common here in winter, so check the live forecast above before heading out early.
Does BBC News cover local weather for Ystradgynlais?
BBC News regional broadcasts include weather for the Swansea Valley area, but for hyperlocal detail the live forecast above is more precise. For breaking weather-related news, you can also follow bbc news online.
Where can I find a 10-day forecast for Ystradgynlais?
Our 10 Day Weather Forecast UK page covers Ystradgynlais and other locations. For today’s specifics, the live forecast above is the most immediate source.
Sources
For broader conditions across the UK, visit our UK weather hub or check forecasts for Birmingham and Glasgow.