Expert Answer: Migraine and Weather April 11th, 2011 - Posted by Dr Whyte

Question: How does the weather impact migraines?

The migraine brain is very sensitive in that any time the brain becomes excitable, this can trigger a migraine. There are many types of known triggers, such as red wine, missing a meal, getting a poor night’s sleep, and weather changes. In fact, migraine attacks triggered by weather changes have been reported in up to 75% of sufferers. Some migraine sufferers say they can predict with reasonable certainty when certain weather patterns occur because these will seem to trigger an attack.

To read more
http://migraine.com/blog/migraine-and-weather/

I can definately testifiy to this. My head gets worse with the changing of the barometric pressure. When it is raining my head is worse and when it is humid in the summer months, my head is worse.