+xHave you tried Avia Weather? It has a TAF+METAR widget for Android and I've never known it to get it wrong.
Thanks for the pointer - i've given it a go over the last couple of days and apart from it having too many features (too much is not always a good thing), it has struggled to download the TAFs, particularly today. Also the widget doesn't support "nearest airfield", which is very useful in the South East.
A simple small widget of METAR data is all I need, with a choice in the widget of nearest or named airfield. I used to run two widgets: one with my home airfield and the other the nearest - that gave me all the coverage I needed.
Cheers, Dave