Northern Ireland

Sprucefield Pressure & Humidity

Lisburn and Castlereagh — Barometric Trends

Sprucefield Pressure & Humidity Outlook

Sprucefield starts the day with the barometer around 1002 mb, just below the seasonal norm, with humidity sitting in a comfortable middle range. That hints at a more mixed backdrop at times, especially if the breeze freshens. With a wide spread in values, the background feel can swing between steadier and more mixed spells. A gentle rise later on would slightly favour more settled spells.

Over the coming days, pressure is likely to sit between 988 mb and 1013 mb in the days ahead. 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

1002 mb

Humidity

76%

Dew Point

4.7°C

Today’s Hourly Humidity

Today’s Hourly Pressure

14-Day Trends

Thu
4 Jun
93% hum
990 mb
Fri
5 Jun
79% hum
1006 mb
Sat
6 Jun
95% hum
1003 mb
Sun
7 Jun
90% hum
1011 mb
Mon
8 Jun
83% hum
1012 mb
Tue
9 Jun
86% hum
1012 mb
Wed
10 Jun
81% hum
1013 mb
Thu
11 Jun
92% hum
996 mb
Fri
12 Jun
88% hum
996 mb
Sat
13 Jun
86% hum
1007 mb
Sun
14 Jun
88% hum
1008 mb
Mon
15 Jun
96% hum
1002 mb
Tue
16 Jun
92% hum
988 mb
Wed
17 Jun
77% hum
1002 mb

Humidity Chart

Pressure Chart

This page focuses on practical interpretation for Sprucefield. When the guidance becomes mixed, it is usually a regime question first, rather than a single hourly detail.

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

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 Sprucefield today?

The barometer in Sprucefield is sitting near 1002 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 mb1024 mb) tends to be a more settled signal, while the low 1000s (around 1000 mb1004 mb) more often points to Atlantic influence. The overall pattern matters more than any single reading.

How does pressure affect wind in Sprucefield?

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 Sprucefield?

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 Sprucefield?

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.