I was just looking at the GEFS model and I don’t see any sign of any type of wintry weather. So I am sorry to say it’s looking very unlikely we will have a white Christmas.
This latest’s GEFS graph shows the temperatures are expected to be above average with plenty of rain.
The top part of the graph is the temperature at 1,500 metres, 850 hpa, the thick black line is the 30 year average temperature. The bottom of the graph is precipitation.
So for the rest of this year it’s looking fairly mild with plenty of rain and windy conditions at times.