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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the Headlines UK weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for today’s conditions in Penrhyn Bay before heading out. The coastal location means weather can shift quickly, so the BBC feed gives you the most reliable snapshot for planning walks or beach time.
What makes Penrhyn Bay’s weather different?
Sitting on the north Wales coast, Penrhyn Bay gets a mild maritime climate. The Irish Sea moderates temperatures, keeping winters cooler than inland spots and summers slightly fresher. Sea breezes pick up most afternoons, so expect a noticeable drop in temperature near the shore. If you’re checking weather Colwyn Bay 14 days ahead, Penrhyn Bay follows a similar pattern — both sit on the same stretch of coastline.
Rain tends to arrive from the west, pushed by Atlantic systems. The bay’s position behind the Great Orme headland offers some shelter from south-westerly winds, but northerly winds can bring cloud and drizzle straight off the sea.
How to use the Penrhyn Bay forecast
The live forecast above updates throughout the day. Check it before setting off for the beach or a coastal walk — wind speed and tide times matter as much as temperature here. For a longer view, the 10-day UK forecast shows broader trends, but local conditions can differ by a few degrees and more cloud than inland areas like Liverpool.
Does Penrhyn Bay get much rain?
Yes, typical for north Wales — around 800–900mm annually. Autumn and winter are wettest, but showers can arrive any month. The live forecast above shows whether rain is likely today.
Is Penrhyn Bay windier than inland towns?
Generally yes. Coastal exposure means stronger winds, especially from the north and west. The Great Orme offers some shelter, but expect breezier conditions than places further inland.
Can I swim at Penrhyn Bay in summer?
Yes — the beach is popular for swimming and paddleboarding. Water temperatures peak around 16–17°C in August. Check wind direction and tides before you go; the live forecast helps with both.