A Descriptive Guide on Herndon Weather Report Today
The over all weather update for Herndon now is "Broken Clouds."
Will Herndon be Windy Today?
The wind in Herndon will be flowing at a speed of 11.3 miles per hour.
The wind direction is 300 degrees.
Please note that Wind speed is the resultant of air moving from high pressure region to the low pressure region.
What is the humidity in Herndon Today?
People in Herndon will be experiencing today a humidity value of 62
In this Weather Report for Herndon how to interpret the value of Humidity ?
Humidity Measurement is the amount of water vapor in the air.
Human Sweat does not evoporate so quickly when the humidity is more.
How about the Atmospheric Pressure in Herndon today?
Today's atmospheric pressure in Herndon is 1000 hPa - Hecto Pascal.
How to interpret the values for Atmospheric pressure?
Atmospheric pressure is the pressure exerted by the weight of air in the atmosphere at the point of measurement.
As the elevation increases the atmospheric pressure decreases. Temperature and Humidity also affect the atmospheric pressure.
In this weather report for Herndon Atmospheric pressure is mentioned as HPA - Hecto Pascal.
What is the Heat Index for Herndon today?
For Herndon the Heat Index today is .
Heat Index is the measuerment of how hot it feels when both relative humidity and temperature are taken into account.
Heat Index Value and Warning Level
| Greater Than 80 | Caution |
| Greater Than 90 | Extreme Caution |
| Greater Than 102 | Danger |
| Greater Than 125 | Extreme Danger |
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