Just a quick note to enquicken someone else’s google seaches in the future,

For local weather forecasting based on ambient air pressure, the algorithm you need is the Zambretti algorithm .

The original Hackaday article on this is here:
https://hackaday.com/tag/weather-forecast/

And some useful matlab code to get you started is here:
https://w4krl.com/zambretti-forecaster/

Finally, some tags to help google air pressure wheel forecast ambient air pressure bmp280 bmp180 air pressure forecast etc.