Barometer watches are increasingly accurate and lightweight. They are technically simple devices that measure changes in air pressure. These changes in air pressure over time can then be used to show current weather and help predict oncoming weather conditions. This could warn you of potentially dangerous storms approaching. Generally, calm and sunny conditions are indicated by higher pressures, and bad weather such as rain, winds and snow, by lower air pressures. Having information about barometric pressure changes could help you make safe and responsible decisions when hiking, running or sailing perhaps. Barometer watches are increasingly worn for leisure activities and not just for extreme adventurers. All of our barometer watches are available with free UK delivery.