According to the Met Office, the grey skies London is experiencing are due to a weather system known as ‘anticyclonic gloom’.

Britain is once again stuck in a period of 'anticyclonic gloom' weather this week after conditions became grey and gloomy but settled following three storms in a fortnight. Dull and dry conditions ...

You are not alone. Northern Ireland has been shrouded in cloud, with patches of drizzle, mist, and fog for more than a week now, as a feature known as anticyclonic gloom keeps hold of our weather ...

"The weather is forecast to be predominantly cold and sunny early in the week, but with more uncertainty over sunshine amounts later in the week, because an import of relatively moist air can result ...