England

Rustington Pressure & Humidity

West Sussex — Barometric Trends

Rustington Pressure & Humidity Outlook

Today in Rustington, the barometer sits near 997 mb, firmly on the low side, with plenty of moisture in the air, giving it a damp feel early on. That raises the chance of a more changeable spell at times, even with quieter windows in between. The range looks fairly wide across the outlook, so the support for settled weather may come and go. Later on, the balance can tip a touch more settled at times.

Over the coming days, pressure is likely to sit between 998 mb and 1024 mb in the days 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

997 mb

Humidity

82%

Dew Point

11.5°C

Today’s Hourly Humidity

Today’s Hourly Pressure

14-Day Trends

Thu
4 Jun
82% hum
998 mb
Fri
5 Jun
72% hum
1013 mb
Sat
6 Jun
84% hum
1005 mb
Sun
7 Jun
77% hum
1022 mb
Mon
8 Jun
79% hum
1016 mb
Tue
9 Jun
72% hum
1019 mb
Wed
10 Jun
78% hum
1010 mb
Thu
11 Jun
73% hum
1018 mb
Fri
12 Jun
82% hum
1016 mb
Sat
13 Jun
78% hum
1016 mb
Sun
14 Jun
81% hum
1016 mb
Mon
15 Jun
75% hum
1021 mb
Tue
16 Jun
70% hum
1020 mb
Wed
17 Jun
71% hum
1024 mb

Humidity Chart

Pressure Chart

This page focuses on practical interpretation for Rustington. 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 Rustington today?

In Rustington today, pressure is around 997 mb. Think of it as the background state of the atmosphere; the timing of cloud and rain still depends on the next weather system. 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 mb1024 mb) often leans more settled, while the low 1000s (around 1000 mb1004 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 Rustington?

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 Rustington?

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 Rustington?

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 is generally typical, with day-to-day comfort shaped more by wind and cloud than by a persistent moisture signal.