Weather Calc3.0 - App Store
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Publisher Description
If you’re a pilot, you often need to make lots of weather related calculations. Now there’s an easy solution, as close as your iPhone.
Weather Calc performs the following weather relation calculations:
Altimeter Setting - compute the altimeter setting based on elevation and station pressure
Cricket Temperature - just for fun! This lets you estimate the temperature based on the chirp rate of a cricket
Heat Index - compute the heat index based on the temperature and relative humidity
Pressure - convert between hPa, atmospheres, psi, and inches and mm of mercury (Hg)
Relative Humidity - compute the wet bulb and dewpoint based on the temperature, pressure, and relative humidity
Speed Of Sound - displays the speed of sound in various units, given the temperature
Standard Atmosphere - compute the temperature, pressure, density, viscosity, speed of sound, and more
Station Pressure - compute the station pressure based on the elevation and altimeter setting.
Temperature - convert between degrees Fahrenheit, Celsius, Kelvin, and Rankine
Virtual Temperature - compute the virtual temperature based on the temperature, dewpoint, and pressure
Vapor Pressure - com[ute the saturated and actual vapor pressure, as well as relative humidity
Wet Bulb - compute the dewpoint and relative humidity based on the temperature, pressure, and wet bulb reading
Wind Chill - compute the wind chill based on the temperature and wind speed
Wind Speed - convert between knots, kilometers/hour, meters/second, miles/hour, feet/second
Buy your copy now, and let Weather Calc take the drugery out of weather related calculations.
Version History Bug fixes and performance improvements 3.0 07/28/2025 Updates for new iOS version 2.0 06/05/2022 Added conversions for speed of sound, and temperature vs cricket chirp rate.
Several bug fixes. 1.3 07/26/2016 Updated for iOS 7 1.2 06/12/2014 Now available for the iPad also
Updated for iOS6 and iPhone 5 1.1 01/09/2013 Corrected an error with calculations of vapor pressure. 1.0.1 10/31/2009 1.0.0 02/25/2009
About Weather Calc
The company that develops Weather Calc is Black Cat Systems. The latest version released by its developer is 3.0.
To install Weather Calc on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-13 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Weather Calc as malware if the download link is broken.
How to install Weather Calc on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Weather Calc is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Weather Calc is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 3.0
posted on 2026-10-13
Version History Bug fixes and performance improvements 3.0 07/28/2025 Updates for new iOS version 2.0 06/05/2022 Added conversions for speed of sound, and temperature vs cricket chirp rate.
Several bug fixes. 1.3 07/26/2016 Updated for iOS 7 1.2 06/12/2014 Now available for the iPad also
Updated for iOS6 and iPhone 5 1.1 01/09/2013 Corrected an error with calculations of vapor pressure. 1.0.1 10/31/2009 1.0.0 02/25/2009
version 3.0
posted on 2025-07-28
Bug fixes and performance improvements
version 3.0
posted on 2025-07-28
Jul 28, 2025
Version 3.0
Bug fixes and performance improvements
version 2.0
posted on 2022-06-05
Jun 5, 2022 Version 2.0
Updates for new iOS version
version 1.3
posted on 2016-07-26
Jul 26, 2016 Version 1.3
Added conversions for speed of sound, and temperature vs cricket chirp rate.
Several bug fixes.
version 1.3
posted on 2009-02-25
Disclaimer
Official App Store Link
We do not host Weather Calc on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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