For what it's worth (I live about 4 miles from Leicester airport) I'd not have wanted to have been flying in around 8am yesterday. Overcast, low cloud, not nice.
One of the previous posters mentioned the EGNX TAF? I'd be wary of relying
solely on that. When you've got marginal weather then you'll often find that conditions south of the Markfield VRP are completely different to those north of it
(I live in Leicester and learned at East Mids)
For flying to Leicester I'd be having a look at the TAFs from East Mids and Coventry, maybe even Wittering too (as well as the METFORMs etc.), building up a picture of the area and making a judgement from there.