National Weather Service United States Department of Commerce

Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Dewpoint

by Tim Brice and Todd Hall
 
 
Enter a temperature, dewpoint and actual station pressure
 
Temperature:  wet-bulb temperature
Fahrenheit Celsius Kelvin Fahrenheit
Dewpoint: Celsius
Fahrenheit Celsius Kelvin Kelvin
Enter your actual station pressure (not the altimeter setting):  relative humidity
in of mercury mm of mercury millibars (hPA) %

 

What is the formula for the dewpoint script?