Heathrow is operating a revised flight timetable due to poor visibility on the runways today. Approximately 10% of flights are expected to be cancelled. Those after 4pm are most likely to be affected. Click here for updates.
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Dry but breezy tonight, cloud and some bright spells on Sunday.
Dry but breezy this evening and overnight with cloud and sunny spells tomorrow.
Mostly dry with sunny spells and a fresh south-westerly breeze.