Entertaining scatter on the GEFS post 16th/17th from -15 (nearly) to +11 at 850 level. On balance after the 19th it looks more likely to go back towards average or above average temps, although as some of the members dive between the 2 it's not exactly conclusive or easy to tell.
All a bit far out really, with more interesting weather (possibly) before then. (Ignoring the snow already fallen/falling in parts of Scotland!).
ECM keeps it cold at 850 level to day 9, before some milder upper air spreads to the South at least although away from the far South West I'd imagine it'd remain cold at the surface. Post then it's hard to tell what would happen although normally you'd expect the LP responsible to drift North or North East and gradually introduce milder air for all. The 10 day chart doesn't scream return of the Atlantic though IMO so might be one of those messy nothing results before either a reload or a gradual return to something more mobile.
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