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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the PressHive weather desk. Data from national met services via Open-Meteo.
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For Llandeilo, the live forecast above shows the day’s conditions; expect a blend of cloud and some bright spells, with a chance of light rain drifting in from the west, typical for this inland Carmarthenshire town.
How will the weather feel in Llandeilo today?
Based on the live forecast above, temperatures will be near the seasonal average, but the breeze off the Carmarthenshire coast, some 15 miles away, will make it feel a little cooler, especially in shaded areas near the River Towy. Any showers should be light and patchy.
What are the key weather details for Llandeilo?
Frequently asked questions about Llandeilo weather
Is Llandeilo likely to see heavy rain?
Heavy rain is not expected in the immediate forecast. The live forecast above indicates only light, occasional showers. The area is sheltered by surrounding hills, which often break up more intense bands of rain.
Does Llandeilo get much fog?
Fog can form overnight in the River Towy valley, particularly in autumn and winter. The forecast above shows clear enough conditions for now, but early morning mist is possible if skies clear overnight.
How reliable is the Met Office forecast for Llandeilo?
The Met Office provides detailed local predictions for Llandeilo, using high-resolution models that account for the valley terrain. The live forecast above draws on these models and is generally reliable for the next 48 hours.
For wider UK conditions, visit our UK weather hub or see the 10 Day Weather Forecast UK. For regional context, check Bristol Weather and Liverpool Weather. Reliable updates are also available via bbc news and the met office weather llandeilo page.