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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Media Grid UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Pen y Fan’s summit temperature is currently 4–6°C below the valley level, with wind chill making it feel 2–4°C colder. The live forecast above shows a 60–70% chance of cloud cover above 600m, reducing visibility to 200–400m in mist.
What is the current visibility and wind speed on Pen y Fan?
Visibility on the summit is typically 1–3km in clear conditions, but the live forecast indicates a drop to 200–400m above 700m due to low cloud. Wind speeds are 25–35mph, gusting to 45mph, which is strong enough to affect balance on exposed ridges. Check the 10-day forecast for wind trends before hiking.
How does the weather change with altitude on Pen y Fan?
Temperature drops roughly 1°C per 100m ascent, so from the car park at 300m to the summit at 886m, expect a 5–6°C difference. Cloud base is currently 600–700m, meaning the upper third of the walk is likely in mist. The UK weather hub provides altitude-adjusted data for all Brecon Beacons peaks.
Is Pen y Fan safe to hike in today’s conditions?
Only for experienced walkers with full navigation kit. The 200–400m visibility and 45mph gusts make route-finding difficult above 700m. Check the Bristol Weather for broader regional conditions before setting out.
Where can I see a live camera view of Pen y Fan?
The Met Office and Brecon Beacons National Park operate webcams at the Storey Arms and Pont ar Daf car parks. These show real-time cloud cover and visibility, but summit conditions can differ significantly from valley views.
What is the 14-day outlook for Pen y Fan?
Long-range models suggest unsettled conditions with 50–60% chance of rain on 8 of the next 14 days. Summit temperatures will range 1–6°C, with winds easing to 15–25mph by mid-week. Use the 10-day forecast for the most reliable window.