7 Days Barometric History Weather Station Foretell the Weather. Backtrack the Trends Try your hand at weather forecasting. Professional meteorologists use changes in barometric pressure to predict short term weather changes. Now the 7 Days Barometric History Weather Station gives you the data to do the same. Spot trends with a glance At a glance you can check the barometric pressure history of the past 24 hours or the past 7 days, along with altitude compensation adjustments. The station also displays indoor & outdoor temperatures as well as offering its own weather forecasts on a large easy-to-read LCD display. Its everything you need to spot local weather trends, in one ultra-slim modern device.