Wet Bulb Temperature Calculator

Solve a pressure-aware psychrometric wet-bulb estimate locally from temperature, humidity, and pressure.

Dry-bulb temperature (°C)

Relative humidity (%)

Station pressure (hPa)

Display

—Estimated wet-bulb

—Dew point

—Vapor pressure

—Wet-bulb depression

Pressure-aware psychrometric estimate found by solving the ventilated wet-bulb relation. Instrument design and ventilation can cause measured wet-bulb values to differ.

Weather calculations run locally in your browser. These tools transform observations with stated formulas; they do not replace official forecasts, alerts, measurements, or professional field instruments.

How to use this Wet Bulb Temperature Calculator

Estimate psychrometric wet-bulb temperature from dry-bulb temperature, relative humidity, and station pressure. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.