Home › Weather › Penarth Weather
Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Public Journal weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
For Penarth, the live forecast above shows today’s conditions along the Glamorgan coast, with the key detail being the wind direction off the Bristol Channel, which often feels cooler than inland readings from Cardiff.
What is the weather in Penarth like today compared to Cardiff?
Penarth sits on the coast, just south-west of Cardiff Bay, so its weather is heavily influenced by sea breezes. The live forecast above will typically show a slightly lower daytime high than Bristol Weather or central Cardiff, especially in spring and summer when a stiff onshore wind can drop the feel-like temperature by two or three degrees. Overnight, the sea often keeps Penarth milder than inland Vale of Glamorgan spots.
What should I expect for the weekend and next week?
Check the live forecast above for the immediate outlook. For a broader view, the 10 Day Weather Forecast UK page gives a reliable pattern, though Penarth’s coastal position means the met office weather penarth detail is best for localised cloud and rain bands moving up the Channel. If you need a longer look, the bbc weather penarth 14 days and 21 day weather forecast penarth are useful for trend-spotting, but accuracy drops after day seven.
Is Penarth weather usually better or worse than Cardiff?
Penarth is often a degree cooler in summer due to the sea breeze, but it can be milder in winter. Rain patterns are very similar to bbc weather cardiff, though Penarth may catch the first of any showers moving in from the west.
What is the weather in Penarth tomorrow?
For a precise answer, refer to the live forecast above. As a rule, if the wind is from the south-west, expect cloud and a chance of drizzle; a northerly wind brings clearer skies but a sharper chill along the esplanade.
How reliable are long-range forecasts for Penarth?
The accuweather penarth and bbc weather penarth 7 days forecasts are reliable for general trends, but the coastal microclimate means day-to-day details (like fog or sea mist) are best checked 24-48 hours ahead.