England

Southbourne Pressure & Humidity

West Sussex — Barometric Trends

Southbourne Pressure & Humidity Outlook

Today in Southbourne, the barometer sits near 996 mb, firmly 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. Conditions can feel a bit stop–start at times, with the broader signal shifting across the period. A gentle rise later on would slightly favour more settled spells.

Looking ahead, pressure is expected to range between 998 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

996 mb

Humidity

82%

Dew Point

11.1°C

Today’s Hourly Humidity

Today’s Hourly Pressure

14-Day Trends

Thu
4 Jun
81% hum
998 mb
Fri
5 Jun
70% hum
1013 mb
Sat
6 Jun
84% hum
1004 mb
Sun
7 Jun
77% hum
1021 mb
Mon
8 Jun
78% hum
1016 mb
Tue
9 Jun
72% hum
1019 mb
Wed
10 Jun
78% hum
1010 mb
Thu
11 Jun
72% hum
1018 mb
Fri
12 Jun
79% hum
1015 mb
Sat
13 Jun
77% hum
1015 mb
Sun
14 Jun
78% hum
1016 mb
Mon
15 Jun
72% hum
1021 mb
Tue
16 Jun
66% hum
1020 mb
Wed
17 Jun
73% hum
1024 mb

Humidity Chart

Pressure Chart

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

Pressure in Southbourne is close to 996 mb right now. It gives a sense of the overall pattern, though the local detail still comes down to cloud cover and wind. 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 Southbourne?

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 Southbourne?

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 Southbourne?

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.