Europe London astronomer shares tips for viewing comet this weekend in ‘once in a lifetime’ opportunity The comet was last seen by Neanderthals 80,000 years ago My London – WeatherRead More About Author See author's posts Post navigation Previous Will we see Northern Lights tonight? How to check if you’ll be able to spot themNext Met Office shares Northern Lights update and whether London will see them tonight Related Stories BBC Weather verdict on London snow returning as new map gives purple alert warning All Regions Europe BBC Weather verdict on London snow returning as new map gives purple alert warning January 17, 2026 London snow warning as blizzard forecast with UK facing up to 51cm All Regions Europe London snow warning as blizzard forecast with UK facing up to 51cm January 17, 2026 New London weather forecast shows exact dates 4 days of sleet will hit All Regions Europe New London weather forecast shows exact dates 4 days of sleet will hit January 15, 2026