Moyle Pressure & Humidity
Derry and Strabane — Barometric Trends
Moyle Pressure & Humidity Outlook
Today in Moyle, the barometer sits near 1004 mb, a little below average, with humidity in a fairly typical range for the time of year. It adds a mildly unsettled edge, so the detail can vary through the day. The range looks fairly wide across the outlook, so the support for settled weather may come and go. A gentle rise later on would slightly favour more settled spells.
Through the period, pressure is projected to run between 998 mb and 1021 mb across the outlook period. Pressure trends higher through the coming days, favouring quieter spells at times. Humidity looks generally high, which can help low cloud to linger in calmer spells.
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
Forecast charts summarise likely conditions, but day-to-day outcomes in the UK often depend on how the larger pressure pattern evolves. Use the context links below to interpret the signal more reliably.
- Northern Ireland Climate for regional patterns and seasonal tendencies.
- UK Climate Overview for a national baseline and how regions compare.
- Northern Ireland 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 Moyle today?
The barometer in Moyle is sitting near 1004 mb at the moment. It helps describe the broader set-up, while cloud, fronts and local effects still decide the day-to-day detail. 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 Moyle?
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 Moyle?
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 Moyle?
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. Humidity is frequently elevated through the period, which can keep the air feeling damp and occasionally reduce visibility in lighter winds.