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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the NewsPrism weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
The live forecast above shows current conditions for Llantwit Major, with temperatures typical for the Vale of Glamorgan coast at this time of year. Expect a mix of cloud and clear spells, with light winds.
What is the weather in Llantwit Major today?
The day ahead brings a blend of sunshine and cloud, with a modest breeze off the Bristol Channel. Rain is unlikely before the evening, making it a decent day for a coastal walk.
- Cloud cover will vary through the morning, with brighter spells developing around midday.
- Winds from the south-west at 10–15 mph, picking up slightly later.
- UV levels moderate – sun protection advised if outdoors for long periods.
Will it rain in Llantwit Major this week?
Forecast models suggest a dry start to the week, but a front may bring patchy rain by midweek. Long-range outlook for Llantwit Major shows unsettled conditions returning towards the weekend.
- Tuesday and Wednesday remain mostly dry, though cloud thickens.
- Thursday could see light showers, especially during the afternoon.
- Weekend outlook: breezy with a risk of more persistent rain, but still some dry intervals.
What is the best time to visit Llantwit Major for fine weather?
Late spring (May–June) and early autumn (September) offer the best balance of mild temperatures and lower rainfall. Summer can be pleasant but is often cloudier than inland areas due to sea breezes.
How reliable are Met Office forecasts for Llantwit Major?
The Met Office provides highly reliable short-term forecasts for the area, though local coastal effects can cause sudden changes in cloud and wind. For the most accurate picture, combine Met Office data with live observations from the coast.
Does Llantwit Major experience flooding?
The town is generally low-risk for flooding, but heavy rain combined with high spring tides can cause localised surface water issues, particularly near the River Thaw. Check flood warnings from the Environment Agency during storms.
Sources
For detailed outlooks, see our UK weather hub or the Bristol Weather page, which covers similar coastal conditions. For extended planning, check the 10 Day Weather Forecast UK.