Relative humidity in simple terms
Warm air can hold more water vapor than cool air. A relative humidity of 80% does not mean the air is 80% water; it means the air is holding about 80% of the water vapor it could hold at that temperature.
Humidity and comfort
High humidity can make warm conditions feel heavier because sweat evaporates more slowly. Low humidity can feel dry, especially when air is cool or indoor heating is running.
Humidity does not guarantee rain
Rain depends on atmospheric lifting, cooling, clouds, and other processes. High humidity may provide moisture, but it does not by itself tell you that rain will occur.
What this means for your day
Use humidity with temperature, wind, clouds, and precipitation probability. It is a comfort clue, not a standalone rain forecast.
Frequently asked questions
Why does humidity change?
Weather information updates as new observations and forecast model runs become available. Small changes are normal, especially farther into the future.
Where can I see this information?
Use Weather Chase's current conditions, hourly forecast, daily forecast, and map tools to compare the latest information for a location.