Weather Calculators
Temperature Conversion
Enter a number then click on the appropriate number to see the result.
Fahrenheit (oF)
Celsius (oC)
 
Wind Chill Calculation
Wind Chill/Temperature Index Calculation in degrees Fahrenheit

Enter in the air temperature ( Tair ) in degrees Fahrenheit and wind speed in mile per hour ( mph ), then click on the Calculate WC to compute the windchill ( WC ).
Tairo F mph
For more information about windchill click here.
Wind Chill/Temperature Index Calculation in degrees Celsius

Enter in the air temperature ( Tair ) in degrees Celsius and wind speed in miles per hour, then click on the Calculate WC to compute the windchill ( WC ).
Tair o C mph
For more information about windchill click here.
 
Relative Humidity Calculation
Relative Humidity Calculation using degrees Fahrenheit

Enter in the air temperature ( Tair ) and dew point temperature ( Tdp) in degrees Fahrenheit ( oF ) then click on the Calculate RH to compute the relative humidity ( RH ).
Tair ( o F ) Tdp ( o F ) RH
Tair
Tdp
For the relative humidity equation, go here
Relative Humidity Calculation using degrees Celsius

Enter in the air temperature ( Tair ) and dew point temperature ( Tdp) in degrees Celsius ( oF ) then click on the Calculate RH to compute the relative humidity ( RH ).
Tair ( o C ) Tdp ( o C ) RH
Tair
Tdp
For the relative humidity equation, go here
in Fahrenheit (from realitive humidity)

Enter in the air temperature ( Tair ) in degrees Fahrenheit and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ).
Tair in °F RH Tdp =
in Celsius (from realitive humidity)

Enter in the air temperature ( Tair ) in degrees Celsius and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ). 
Tair in °C RH Tdp =

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