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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Story Native weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Pembrokeshire’s weather is shaped by its exposed Atlantic coastline, meaning mild winters, cool summers, and frequent rain – but also some of the sunniest spots in Wales, especially along the Pembrokeshire Coast National Park. The live forecast above gives the immediate picture; below we explain the patterns behind it.
What makes Pembrokeshire’s weather different from inland Wales?
The county sits in a maritime climate, so temperature swings are smaller than in the east. Sea breezes often keep the coast a few degrees cooler in summer and warmer in winter. This also means cloud can build quickly over the hills, while the coastal strip stays clearer – a key detail for anyone checking the BBC Wales weather or a pembrokeshire weather forecast 14 days ahead.
How reliable are long-range forecasts for the area?
Forecast models struggle with the complex coastline and the Irish Sea’s influence. A pembrokeshire weather forecast 21 days gives a trend, not a guarantee. For day-to-day plans, the 10 day weather forecast UK is more dependable, though even that can shift quickly. Always check the live forecast above for the most up-to-date weather in pembrokeshire tomorrow.
Is Pembrokeshire sunnier than other parts of Wales?
Yes – the south-west coast, including Tenby and St David’s, records more sunshine than most of Wales. It benefits from the same Atlantic airflow that keeps Cornwall mild, though rain is still frequent.
Does Pembrokeshire get weather warnings often?
Yes, especially for wind and rain. The Met Office issues yellow warnings several times each winter. A pembrokeshire weather warning can affect travel on the A40 and coastal paths – always check before heading out.
What about a 21-day forecast – can I trust it for holiday plans?
Use it as a broad guide only. The 21 day weather forecast pembrokeshire bbc shows likely patterns, but details beyond 10 days are unreliable. For firm plans, rely on the 5-day outlook and the live forecast above.
For nearby coastal climates, see Cornwall weather and Isle of Wight weather. For a broader perspective, visit the UK weather hub. Remember to check the live forecast above for the most accurate pembrokeshire weather bbc conditions today.