National Weather Service United States Department of Commerce

Showers and Thunderstorms Persist of Florida; Unsettled Pattern Returns to Hawaii

A cold front lingering over Florida will continue to bring showers and thunderstorms to the state over the next couple of days. Heavy rainfall and flash flooding are possible along the east coast of Florida. A Kona Low is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands Tuesday through the weekend. Read More >

       

 

Weather Calculations / Conversions


Convert degrees Celsius to degrees Fahrenheit:
Enter degrees celsius:

    


Convert degrees Fahrenheit to degrees Celsius:
Enter degrees fahrenheit:

    


Calculate relative humidity from temperature/dewpoint (deg C):
Enter temperature in degrees C:     Enter dewpoint in degrees C:

    


Calculate relative humidity from temperature/dewpoint (deg F):
Enter temperature in degrees F:     Enter dewpoint in degrees F:

    


Calculate heat index from temperature and humidity:
Enter temperature in degrees F:     Enter humidity in percent:

   :


Calculate heat index from temperature and dewpoint (deg F):
Enter temperature in degrees F:     Enter dewpoint in degrees F:

   :


Calculate heat index from temperature and dewpoint (deg C):
Enter temperature in degrees C:     Enter dewpoint in degrees C:

   :


Calculate wind chill from temperature (deg F) and wind (mph):
Enter temperature in degrees F:     Enter wind speed in mph:

   :


Calculate wind chill from temperature (deg C) and wind (kt):
Enter temperature in degrees C:     Enter wind speed in knots:

   :


Convert pressure from inches to millibars:
Enter pressure in inches: