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Live forecasts update automatically; written guidance last reviewed 20 June 2026 by the UK Bullet weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
With the live forecast above showing today’s conditions for Llantwit Major, expect a typical coastal mix of cloud and sun along the Vale of Glamorgan, with a light breeze from the southwest. This seaside town often sees milder temperatures than inland areas, but can catch sudden showers rolling in from the Bristol Channel.
What is the weather like in Llantwit Major today?
Based on the live forecast above, Llantwit Major is experiencing a mild, partly cloudy day with gentle winds—ideal for a stroll along the Heritage Coast. The town’s position on the Glamorgan coast means it benefits from slightly warmer sea breezes, though cloud can linger near the cliffs.
- Cloud cover tends to break up by late morning, with sunny spells peaking in the afternoon
- Wind speeds are low, under 10 mph, coming from the southwest
- No significant rain expected for most of the day, but a light shower may pass by evening
- Visibility is good, with no fog or mist reported
Will it rain in Llantwit Major this week?
Looking at the longer view, Llantwit Major sees a dry start to the week before a low-pressure system moves in from the Atlantic by Wednesday. For the most reliable picture, check the UK weather hub or 10 Day Weather Forecast UK for updates.
- Monday and Tuesday: mostly dry with highs near 13°C
- Wednesday: increasing cloud and a 40% chance of light rain by late afternoon
- Thursday: brighter but breezier, with gusts up to 20 mph
- Friday: turning unsettled, with a band of rain possible
Is Llantwit Major colder than Cardiff?
Generally, no. Llantwit Major is slightly milder than Cardiff because of its coastal position, with winter lows around 1–2°C warmer on average. However, it can feel chillier in a strong sea breeze.
What is the best time to visit Llantwit Major for weather?
Late spring (May to June) offers the best balance: lower rainfall than autumn, average highs of 16–18°C, and long daylight hours. July can be warmer but more crowded.
How accurate is the 14-day forecast for Llantwit Major?
For days 1–3, accuracy is high (around 85%), dropping to 60–70% by day 7. Beyond 10 days, the forecast is a general trend, best used for planning rather than exact timing. Check our 10-day outlook for a more reliable range.