Llandarcy Pressure & Humidity
Neath Port Talbot — Barometric Trends
Llandarcy Pressure & Humidity Outlook
Across Llandarcy today, the barometer is near 995 mb, well on the low side, with humidity high enough to give the air a damp edge. That favours a more variable day, with timing and wind making the biggest difference. Conditions can feel a bit stop–start at times, with the broader signal shifting across the period. A gentle rise later on would slightly favour more settled spells.
Across the next several days, pressure looks set to vary between 996 mb up to 1026 mb over the coming days. Pressure trends higher through the coming days, favouring quieter spells at times. Moisture levels fluctuate within a fairly typical range for the time of year.
Current Readings
Pressure
Humidity
Dew Point
Today’s Hourly Humidity
Today’s Hourly Pressure
14-Day Trends
Humidity Chart
Pressure Chart
Forecast context and reference links
To plan confidently, separate what is likely from what is uncertain. Use the supporting guides to understand why the outlook is behaving the way it is for Llandarcy.
- Wales Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- Wales for location browsing and regional navigation.
How to interpret confidence
For how forecast reliability changes with lead time, see Forecast Confidence. For transparency on how WeatherEngland sources and updates data, see Methodology.
Background guides
- UK Weather Patterns
- UK Seasonal Weather
- UK Weather Hazards
- UK Weather Safety
- UK Jet Stream
- UK Microclimates
Glossary support
Start with the Weather Glossary. Useful terms for this page include Isobar, Pressure Gradient, Relative Humidity, Dew Point, Anticyclone, and Depression.
FAQ
What is the air pressure in Llandarcy today?
Atmospheric pressure in Llandarcy is currently around 995 mb. It helps describe the broader set-up, while cloud, fronts and local effects still decide the day-to-day detail. Looking further ahead, pressure edges higher overall, which can favour a steadier background later in the period.
What counts as high or low pressure in the UK?
There is no single cut-off, but as a practical UK guide: the low 1020s (around 1020 mb–1024 mb) often leans more settled, while the low 1000s (around 1000 mb–1004 mb) is more commonly tied to Atlantic lows nearby. The pressure gradient and the direction of travel are usually more telling than the exact number.
How does pressure affect wind in Llandarcy?
It is not the absolute pressure that matters most, but how steeply it changes from place to place. A sharper gradient can bring brisk winds; a weaker gradient tends to keep winds lighter.
Does low pressure always mean rain in Llandarcy?
It can raise the risk of showers or rain, but it does not guarantee it. The detail depends on fronts, moisture supply and how the system moves through the region.
What does humidity mean for comfort in Llandarcy?
Humidity describes how close the air is to being saturated. Higher humidity can feel clammy and can support haze or low cloud in calmer conditions; lower humidity often feels crisper and helps things dry more quickly. Humidity also runs high on average, which can make low cloud or hazier spells more likely when winds are light, especially overnight.