London August Bank Holiday 2026 weather forecast: will Notting Hill Carnival be a washout? is one of our hand-picked Events finds for London. Thunderstorms are forecast for the capital on Friday and Saturday. Here’s how the weather will impact events like All Points East and Nottin.
Why London? London is a vast, layered world city where royal history, endless neighborhoods, green parks and global food sit side by side. The city is known for royal landmarks, free world-class museums, West End theatre and markets.
Good to know: May–September for parks and long evenings; December is festive but cold and dark early. The Tube and buses cover everything with a contactless tap; central areas reward walking.