Me again! There are two things I have heard about:
1) The WeatherX earplugs, which act as a buffer against the pressure changes, and
2) the medication acetazolamide, previously called Diamox
Your mileage may vary, of course.
You might also get some ideas from this conversation:
https://migraine.com/living-migraine/unavoidable-weather-trigger
Hope that helps. Weather really is a tricky trigger. -Melissa, team member