Saint Keyne Pressure & Humidity
Cornwall — Barometric Trends
Saint Keyne Pressure & Humidity Outlook
For Saint Keyne today, pressure is around 1000 mb, slightly on the low side, with plenty of moisture in the air, giving it a damp feel early on. That can keep things a touch more changeable, with cloud and wind shifts shaping how it feels. The range looks fairly wide across the outlook, so the support for settled weather may come and go. The later rise can help conditions calm down in places.
Across the next several days, pressure looks set to vary between 1000 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
For Saint Keyne, the forecast is best read as a combination of short-range detail and broader regime. The first few days carry the highest timing confidence, while later periods describe direction and pattern.
- England Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- England 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 Saint Keyne today?
Pressure in Saint Keyne is close to 1000 mb right now. It gives a sense of the overall pattern, though the local detail still comes down to cloud cover and wind. Humidity is near 100%, so the air is close to saturation — conditions where low cloud or reduced visibility can become more likely if winds ease, especially overnight. As the period goes on, the barometer tends to lift, supporting a more settled background pattern at times.
What counts as high or low pressure in the UK?
As a rough guide, the low 1020s (around 1020 mb–1024 mb) tends to be a more settled signal, while the low 1000s (around 1000 mb–1004 mb) more often points to Atlantic influence. The overall pattern matters more than any single reading.
How does pressure affect wind in Saint Keyne?
Wind strength is driven mainly by the pressure gradient — how quickly pressure changes over distance. Tightly packed isobars usually mean stronger winds; a slack pattern often allows lighter winds, regardless of whether the headline pressure is high or low.
Does low pressure always mean rain in Saint Keyne?
No. Low pressure increases the chance of changeable weather, but the wettest rain bands can miss your area entirely depending on where fronts set up.
What does humidity mean for comfort in Saint Keyne?
It reflects how much moisture the air is holding compared with its maximum. Higher values can favour haze or low cloud, especially when winds are light. Moisture levels are broadly seasonal, with the ‘feel’ of the air changing mainly with temperature and wind strength.