This Evening and Tonight: It looks to be clear and frosty for a while tonight, but with widespread and freezing fog developing through the early hours, especially for southern counties.
Tuesday: Fog and freezing fog could take much of the day to lift, but some brightness should develop in the afternoon, particularly in southern counties. Cold where fog lingers.
Outlook for Wednesday to Friday: Wednesday and Thursday look to be overcast, with patchy rain at times. Fog patches may linger for much of the day, keeping it chilly. Conditions may turn less murky Friday.