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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 the current conditions in Llandeilo. Expect a typical mix of showers and dry spells today, with temperatures near the seasonal average for this time of year.
What is the outlook for Llandeilo this week?
The week ahead brings unsettled conditions, with low pressure dominating. Rain or showers are likely on most days, especially in the afternoons. Winds will stay light to moderate, and temperatures will hover around 7–11°C, typical for early spring in Carmarthenshire. Check back to our UK weather hub for updates.
How does Llandeilo’s weather compare to nearby towns?
Llandeilo sits in the Tywi valley, which can trap mist and frost in calm mornings, but it often mirrors the weather in Carmarthen and Ammanford. If you compare Llandeilo to Bristol, expect more rain and cooler nights here because of the higher ground and longer distance from the coast.
Will it rain in Llandeilo today?
Check the live forecast above for the most accurate timing. Light rain is often likely in the afternoon, but showers can be brief. Carrying a waterproof jacket is a sensible idea.
What is the best time to visit Llandeilo for fine weather?
Late spring to early autumn (May–September) generally brings drier conditions and warmer days. July and August are the warmest months, with average highs near 19°C, though rain is still possible.
Where can I get the latest Met Office weather for Llandeilo?
The Met Office provides detailed forecasts for Llandeilo on its website. You can also keep up with bbc news regional weather updates for the area. For a quick 10-day forecast, use our page.