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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Civic Insight weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Caerphilly before heading out, as conditions in this south Wales valley town can shift quickly with the surrounding hills and proximity to the Bristol Channel.
What is the weather in Caerphilly like today?
Caerphilly’s weather is shaped by its position in the Rhymney Valley, about 8 miles north of Cardiff. The live forecast above gives you the immediate outlook, but expect cloudier spells than coastal areas, with a chance of drizzle when winds blow in from the south-west. Temperatures here often feel a degree or two cooler than in Cardiff due to the valley shelter.
What should I expect for the week ahead?
For the next few days, the live forecast above shows a typical mix for late autumn: some brighter breaks between bands of rain. If you’re planning outdoor trips to Caerphilly Castle or the surrounding hills, keep an eye on the 10 day weather forecast UK for any frontal systems moving in from the Atlantic. The weather in Caerphilly tomorrow often mirrors today’s pattern, so check the live data again in the morning.
Is the BBC Weather Caerphilly 14-day forecast reliable?
The bbc weather caerphilly 14 days outlook gives a general trend, but accuracy drops after day 7. For planning, combine it with the weather caerphilly 14 days met office data, which uses higher-resolution models for this valley area.
Where can I find a 30-day outlook for Caerphilly?
A 30 day long range weather forecast caerphilly shows broad patterns, not daily detail. Use the live forecast above for the week ahead, and check accuweather caerphilly for its extended trend, but treat any specifics beyond 10 days as indicative.
Does Caerphilly get more rain than nearby towns?
Yes, Caerphilly’s valley location can trap cloud and enhance rainfall compared to Cardiff or Newport. The 21 day weather forecast caerphilly often shows higher precipitation totals than coastal spots, especially in autumn and winter.
For other parts of the UK, see our UK weather hub or check conditions in Bristol Weather and Glasgow Weather.