Professor Stephen Hawking is the guest of honour for the start of the Cambridge Film Festival which opens tonight.
The University of Cambridge Physicist has written and narrated a film about his life. Called "Hawking", it is a personal look at his life.
"Hawking" is made by Vertigo Films.
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Some morning brightness on Boxing Day but cloud increasing, with rain, sleet and snow, spreading in late afternoon. Turning windy.
Starting cold and dry Boxing Day. Wet and windy later.
The Met Office has issued a yellow cold weather alert and there's the risk of snow in places later on Boxing Day.