National Weather Service United States Department of Commerce

Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

 

Meteorological Calculator
About This Page
Not sure how to convert Fahrenheit to Celsius? Would you like to calculate the Heat Index or Wind Chill Factor? You have come to the right place!
 
left corner Meteorological Calculator Right Corner
 
 
 
Temperature Conversion
Enter a number then click on "Compute C" or "Compute F" to see the result.
Fahrenheit
(o F)
Celsius
(o C)

 

 
Wind Chill Index Calculation
Enter in the air temperature (Tair) in degrees Fahrenheit and wind speed (mph), then click "Compute WC" to get the wind chill index (WCI). For more information about the WCI, click here.
Tair mph

 

 
Relative Humidity Calculation
Enter in the air temperature (Tair) and dew point temperature (Tdp) in degrees Fahrenheit (oF) then click on "Compute RH" to get the relative humidity (RH).
Tair Tdp

 

 
 
Heat Index Calculation
Enter in the air temperature (Tair) in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), then click on "Get HI" to compute the heat index (HI). For more information about the HI, click here.
Tair RH Tdp=
OR
Tair Tdp RH=