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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the ScopePress weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above for Llanelli’s current temperature range and wind direction; use it to decide whether to head to the coast or stay inland. The data shown updates every hour from the Met Office.
What is the weather in Llanelli today?
The live forecast above gives today’s high and low temperatures, wind speed and chance of rain. Typically a coastal town, Llanelli sees milder winters and cooler summers than inland Wales. The sea breeze often picks up by midday, so the afternoon feels noticeably fresher than the morning.
How does Llanelli’s location affect the forecast?
Llanelli sits on the Loughor estuary, so local conditions can differ from those in Swansea or Cardiff. The Met Office weather Llanelli page often shows a stronger south-westerly wind than the BBC weather Cardiff or BBC weather Swansea pages, because the estuary funnels air. For a detailed wind read, check xc weather Llanelli – it gives gust speeds for sailing and kite-surfing.
Is it going to rain in Llanelli tomorrow?
Look at the “weather in Llanelli tomorrow” section in the live forecast. The Met Office updates the 24-hour rain probability every six hours, so refresh before you travel. Showers are most likely between late morning and early afternoon.
What is the 14-day forecast for Llanelli?
The BBC weather Llanelli 14 day forecast is available via the live panel above. Longer-range forecasts have lower confidence; treat days 10–14 as a trend, not a guarantee. For a 21 day weather Llanelli outlook, use the Met Office’s monthly assessment.
How does Llanelli compare to nearby cities?
Llanelli is often 1–2°C cooler than Swansea due to its open estuary position. Cardiff, further east, tends to be drier. For a direct comparison, see our Bristol Weather page – Bristol shares similar south-westerly winds but sits on a different coast.
For a wider view, visit our UK weather hub or check the 10 Day Weather Forecast UK page for Llanelli and other towns.