Scotland

Straiton Pressure & Humidity

South Ayrshire — Barometric Trends

Straiton Pressure & Humidity Outlook

Across Straiton today, the barometer is near 990 mb, well on the low side, with humidity staying high, so low cloud can feel a little more stubborn at times. 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. A gentle rise later on would slightly favour more settled spells.

Across the next several days, pressure looks set to vary between 987 mb up to 1022 mb over the coming days. 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

990 mb

Humidity

92%

Dew Point

10.9°C

Today’s Hourly Humidity

Today’s Hourly Pressure

14-Day Trends

Thu
4 Jun
95% hum
987 mb
Fri
5 Jun
81% hum
1006 mb
Sat
6 Jun
91% hum
1002 mb
Sun
7 Jun
91% hum
1013 mb
Mon
8 Jun
96% hum
1003 mb
Tue
9 Jun
85% hum
1008 mb
Wed
10 Jun
95% hum
996 mb
Thu
11 Jun
79% hum
1008 mb
Fri
12 Jun
91% hum
998 mb
Sat
13 Jun
80% hum
1007 mb
Sun
14 Jun
85% hum
1005 mb
Mon
15 Jun
78% hum
1022 mb
Tue
16 Jun
97% hum
1013 mb
Wed
17 Jun
96% hum
1001 mb

Humidity Chart

Pressure Chart

Across Scotland, 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 Straiton today?

Pressure in Straiton is close to 990 mb right now. It helps describe the broader set-up, while cloud, fronts and local effects still decide the day-to-day detail. Humidity is near 92%, so the air is close to saturation — conditions where low cloud or reduced visibility can become more likely if winds ease, especially overnight. 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 Straiton?

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 Straiton?

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 Straiton?

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.