Scattered severe thunderstorms capable of damaging wind gusts and hail are forecast across the Northeast U.S. and North Dakota Thursday. Heavy to excessive rainfall is possible over eastern New Mexico into western Texas and over the western Florida peninsula Thursday. Read More >
National Weather Service Hanford, CA
Meteorological Calculator
Thanks to Ron Murphy, NWS Birmingham, AL for writing the JavaScript.
Temperature Conversion |
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Enter a number then click on the the conversion button. | ||||
Fahrenheit (o F) |
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Celsius (o C) |
Wind Speed Calculations |
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Enter a speed into any blank to convert to all other wind speeds. | ||||||
mph knots m/sec km/hr |
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Wind Chill Calculation |
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Enter the temperature in degrees Fahrenheit and wind speed in mph, then click on the Calculate WC to compute the windchill index. | ||||||
Temp (o F) |
Wind (mph) |
Index |
Relative Humidity Calculation |
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Enter the air temperature and the dew point in degrees Fahrenheit, then click on the Calculate RH to compute the relative humidity. | ||||||
Temp (o F) |
Dew Point |
Heat Index Calculations |
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Enter the temperature in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), or the Dew Point (Tdp). Then click on the Calculate HI to compute the heat index (HI). | ||||||||
Temp (o F) | RH | HI |
Tdp |
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Temp (o F) | Tdp | HI | RH |