Remember, remember the 5th of November... except that's a Tuesday, and holding a fireworks night on a Saturday is clearly a much better idea. The fireworks night in question is organised by the Winchester Round Table. Please buy your tickets from https://winchesterbonfire.co.uk/
Parking in Winchester is usually pretty tricky, so if you can, you're probably best using public transport or lift-sharing.
: Winchester Cathedral, Winchester
: The Cathedral is a short walk from the High Street.