The weather forecast from the Met Office:

Dry, hot and sunny today with a light to moderate easterly wind. Maximum temperature in the afternoon of 26°C.

A few showers, often heavy, possible overnight into Friday in light to moderate south-easterly winds.

The continued risk of showers at times Friday, occasionally heavy, but with also plenty of sunny spells. Light to moderate southeast wind and a top temperature a much cooler 19°C.

Saturday will then bring some occasional rain or showers for much of the day, with only a few spells of sunshine. Generally moderate to fresh south or southwest winds and with further outbreaks of rain overnight into Sunday.