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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Showbiz UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows Blaina’s current conditions, with temperatures typical for this upland valley in Blaenau Gwent. Expect cloudier skies and cooler air than in lower-lying parts of South Wales, so a light jacket is often useful even in summer.
What is the weather like in Blaina today?
Blaina sits in a narrow valley at roughly 300 metres above sea level, which means it can be several degrees cooler and noticeably cloudier than nearby towns like Abertillery or Ebbw Vale. The live forecast above gives the most accurate reading for the next few hours. Rain tends to arrive from the west, and the surrounding hills often trap low cloud, so mist and drizzle are common in the morning before slowly lifting.
How does Blaina’s location affect its weather?
The town’s position in the South Wales Valleys, close to the Brecon Beacons National Park, means it catches more rainfall than the coastal plain. In winter, frost and occasional snow are more frequent here because cold air sinks into the valley. For a detailed outlook, the BBC Weather Blaina page and Met Office Weather Blaina updates provide reliable hour-by-hour information.
Is Blaina prone to fog?
Yes, especially in autumn and winter. The valley traps moisture overnight, and fog can linger until late morning. Check the live forecast above for visibility warnings before driving.
Does Blaina get snow?
It does, more often than lower-lying parts of Wales. The altitude means a few centimetres of snow can settle one to three times each winter, though heavy falls are rare. The Met Office issues warnings when disruption is likely.
Where can I check the latest forecast for Blaina?
Use the live forecast above for real-time conditions. For longer-range planning, the 10 Day Weather Forecast UK page covers Blaina, and the UK weather hub links to regional updates.