Wales

Mamhilad Pressure & Humidity

Monmouthshire — Barometric Trends

Mamhilad Pressure & Humidity Outlook

Across Mamhilad today, the barometer is near 995 mb, well on the low side, with plenty of moisture in the air, giving it a damp feel early on. That keeps the background more unsettled, with conditions more likely to shift as systems move through. With a wide spread in values, the background feel can swing between steadier and more mixed spells. Later on, the balance can tip a touch more settled at times.

Looking ahead, pressure is expected to range between 995 mb up to 1024 mb during the period ahead. 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

995 mb

Humidity

94%

Dew Point

10.2°C

Today’s Hourly Humidity

Today’s Hourly Pressure

14-Day Trends

Thu
4 Jun
84% hum
995 mb
Fri
5 Jun
75% hum
1012 mb
Sat
6 Jun
90% hum
1001 mb
Sun
7 Jun
88% hum
1019 mb
Mon
8 Jun
82% hum
1016 mb
Tue
9 Jun
78% hum
1019 mb
Wed
10 Jun
83% hum
1006 mb
Thu
11 Jun
75% hum
1018 mb
Fri
12 Jun
82% hum
1013 mb
Sat
13 Jun
80% hum
1014 mb
Sun
14 Jun
82% hum
1014 mb
Mon
15 Jun
84% hum
1019 mb
Tue
16 Jun
84% hum
1021 mb
Wed
17 Jun
80% hum
1024 mb

Humidity Chart

Pressure Chart

Across Wales, local effects can shift outcomes even when the national pattern is similar. Coastal exposure, terrain, and airflow direction often explain the difference between a near-miss and a wet day.

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 Mamhilad today?

Atmospheric pressure in Mamhilad is currently around 995 mb. Think of it as the background state of the atmosphere; the timing of cloud and rain still depends on the next weather system. Humidity sits near 94%, which can make the air feel damp and increase the chance of haze or low cloud in lighter winds. Later in the outlook, pressure trends a little higher, which can bring quieter interludes at times.

What counts as high or low pressure in the UK?

In UK terms, pressure in the low 1020s (around 1020 mb1024 mb) often supports a steadier background, while the low 1000s (around 1000 mb1004 mb) more often sits closer to passing low-pressure systems. What matters most is the wider pattern and whether pressure is rising or falling.

How does pressure affect wind in Mamhilad?

Pressure influences wind through the regional gradient. When the pattern tightens, winds can pick up; when it relaxes, winds usually ease.

Does low pressure always mean rain in Mamhilad?

Not necessarily. Low pressure favours rising motion and cloud development, but rainfall depends on available moisture, frontal features and the track of the system. Some low-pressure days are simply cloudy and breezy with only patchy showers.

What does humidity mean for comfort in Mamhilad?

It is the amount of water vapour in the air relative to its capacity at that temperature. When humidity is high, evaporation slows and the air can feel damp; when it is lower, comfort and visibility often improve. Humidity sits in a fairly typical range overall, so comfort and visibility can depend more on wind, temperature and cloud cover day to day.