Help I had a simple automation to turn the heating on if the forecast for the next day is < x deg

I think this should solve the problem in general.

which would that be?

didnt you test Help I had a simple automation to turn the heating on if the forecast for the next day is < x deg - #4 by basbrus

which does exactly what you ask for?

That’s a workaround(which I am very graceful for) but not a solution.