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Live forecasts update automatically; written guidance last reviewed 16 June 2026 by the Regional Report weather desk. Data from national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Pontarddulais, in the upper Swansea Valley, sees a mild, maritime climate with rain spread through the year. The live forecast above shows today’s conditions so you can plan around any showers or brighter spells.
What is the outlook for Pontarddulais this week?
The week ahead brings the familiar mix of Atlantic fronts and drier interludes typical of south-west Wales. Overnight lows tend to stay above freezing, especially near the river.
- Today: Check the live forecast above for the most accurate reading of cloud cover and rain timing.
- Tomorrow and the next few days: Conditions remain changeable. For a detailed look, see our 10 Day Weather Forecast UK page, which covers the outlook for Pontarddulais and nearby areas like Pontlliw.
- Coastal influence: The breeze off the Bristol Channel often keeps temperatures a degree or two milder than inland parts of the county.
Will it rain in Pontarddulais tomorrow?
Rain is always a possibility given the valley’s position. The live forecast above gives a reliable picture for the next 24 hours.
- Early morning mist can linger in the valley bottom before lifting.
- Showers tend to be most frequent during the afternoon as the land warms.
- If you are after a quick check, our UK weather hub links to all regional updates, including the met office weather pontarddulais data we reference.
Where can I find a reliable forecast for Pontarddulais?
The live forecast above is your best starting point. Many people also check bbc weather pontarddulais or accuweather pontarddulais for a second opinion, but the Met Office data we use is the most authoritative for UK locations.
How does the weather in Pontarddulais compare to Pontlliw?
Pontlliw, only a couple of miles south, shares the same Atlantic-influenced weather. You can expect similar temperatures and rain patterns, though Pontlliw sits slightly lower in the valley and may catch a little more mist on calm mornings.
What is the weather like in Pontarddulais for the next 10 days?
For a forward look, see our dedicated 10 Day Weather Forecast UK page. It uses Met Office and BBC data sources to give a practical view of the unsettled spells and drier breaks that define weather in pontarddulais 10 days ahead.