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  1. Barometer - Wikipedia

    Many measurements of air pressure are used within surface weather analysis to help find surface troughs, pressure systems and frontal boundaries. Barometers and pressure altimeters (the …

  2. Barometric Pressure Forecast and History

    This web app graphs the barometric pressure forecast and history of any location, along with relevant current weather data such as temperature, humidity and wind.

  3. Barometer | Definition, Types, Units, & Facts | Britannica

    Dec 15, 2025 · A barometer is a device used to measure atmospheric pressure. Because atmospheric pressure changes with distance above or below sea level, a barometer can also …

  4. Amazon.com: Barometers - Barometers / Thermometers

    Discover Barometers on Amazon.com at a great price. Our Weather Instruments category offers a great selection of Barometers and more. Free Shipping on Prime eligible orders.

  5. How Is Barometric Pressure Measured and Why? - HowStuffWorks

    Feb 27, 2024 · What Is a Barometer? A barometer is a scientific instrument designed to measure barometric pressure. Barometers as we know them date back to 1643 when the Italian …

  6. BAROMETER Definition & Meaning - Merriam-Webster

    The meaning of BAROMETER is an instrument for determining the pressure of the atmosphere and hence for assisting in forecasting weather and for determining altitude.

  7. What Is A Barometer, How It Works, Where To Place It

    Jun 27, 2025 · A barometer is defined as a meteorological instrument used to measure air pressure in the atmosphere. It forms a crucial part of any weather station and is primarily used …

  8. Learn How to Read a Barometer - ThoughtCo

    May 6, 2025 · A barometer measures air pressure and can help predict changes in the weather. Rising barometer readings mean fair weather, while falling readings often indicate rain or …

  9. Barometers – The Weather Store

    A barometer is a popular weather instrument that measures atmospheric air pressure. Generally, when the pressure is high or rising, you can expect clear cool weather.

  10. Barometer - National Geographic Society

    Oct 24, 2023 · A barometer is a scientific instrument used to measure atmospheric pressure, also called barometric pressure. The atmosphere is the layers of air wrapped around Earth.