Its look of the draw! I don't think there are any regional weather forcasts any more. They centralised all the forcasting and lost the local predictions many years ago.
Bring some thermals as it'll be cold going over the tops!
I've got for up that way, nice all morning and possible showers in the afto... Not bad considering it's meant to shower in April. : Suppose worst comes to worst we could all rent for the day, a proper 'adventure' bike like a GS to cope with our harsh unforgiving climate. ;D