I really really do not wish to make the sort of smartar*e comments which are so common on certain other pilot forums, but
Did a pre flight, took off by the time I was at 500 feet I saw all the clouds nearing in, next minute I was in the middle of the whole lot. It was as if someone put the duvet over the aircraft.
suggests that a big improvement in preflight (weather) planning is called for.
I reached for the GPS in the rear, turned it on
It should have been ON the whole time, checked for satellite reception before starting the taxi. Do you push start your car, and use the starter motor only when too tired or when parked uphill?