Thanks, I just got this reply direct from Dave(P2A)
“Sim Weather works for X-Plane and FSX and P3D, but not FS2020 because Microsoft/Asobo doesn’t publish weather such that FSUIPC can pass it along. At some point in the future, maybe they will.”
I will look in to Rex Weather - do you know if it is stable with FS or one of these plugins that cause CTD’s etc?
They really should mention this weather issue on the download page as I would not have bothered installing then because I mostly do VFR GA flights at sunrise or sunset but I can only fly at late evenings presently so its always dark/wet/windy when i get the chance 