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  1. Darlington, SC Hourly Weather | AccuWeather

    Wind E 6 mph Air Quality Fair Wind Gusts 7 mph Humidity 83% Indoor Humidity 53% (Ideal Humidity) Dew Point 50° F AccuLumen Brightness Index™ 0 (Dark) Cloud Cover 46% Visibility 10 mi Cloud ...

  2. Humidity - Wikipedia

    Global distribution of relative humidity at the surface averaged over the years 1981–2010 from the CHELSA-BIOCLIM+ data set. Humidity is the concentration of water vapor present

  3. What is humidity? Why measure & what your levels mean | Airthings

    Humidity is a measure of the amount of water vapor in the air. Relative humidity measures the amount of water in the air in relation to the maximum amount of water vapor (moisture).

  4. What Is Humidity and How Does Humidity Affect Temperature?

    Jul 3, 2024 · Humidity is a key factor in weather forecasts, indoor comfort and even health. There are various ways to measure humidity, each providing different insights into the amount of moisture in …

  5. What is humidity and why does it make us feel so uncomfortable?

    Jun 11, 2025 · What is humidity? Humidity is a measurement of the amount of water vapour in the air. Warmer air can hold more water vapour than cooler air, if there is plenty of water available.

  6. Relative Humidity: What It Is, How to Calculate It, and Chart Guide

    Aug 26, 2025 · In this guide, we’ll explain what relative humidity really means, how to calculate it (yes, you can!), and how to read it using a helpful chart. Plus, we’ll show you how to build a simple tool …

  7. Humidity | Atmospheric Effects, Measurement & Control | Britannica

    Nov 19, 2025 · Humidity, the amount of water vapour in the air. It is the most variable characteristic of the atmosphere and constitutes a major factor in climate and weather.

  8. All About Humidity - Education

    Oct 19, 2023 · Humidity is the amount of water vapor in a given volume of air. Knowing exactly how much water is in the air in specific regions is essential for accurate weather forecasts.

  9. What is a humidity? – The Institute for Environmental Research and ...

    Jun 16, 2025 · Humidity, in its essence, describes the amount of water vapor present in the air. It’s a measure of air’s moisture content and significantly influences our comfort levels, weather patterns, …

  10. Current Observations - National Weather Service

    Check out our current weather graphics: Temperature, Dewpoint, Relative Humidity, Winds, Barometric Pressure Current MESONET observations -- find our how you can participate!