The chance of rain remains below 5 per cent throughout the day, with light winds reaching up to 6mph by the evening. The chance of rain remains below 5 per cent, with wind speeds reaching up to 7mph in the afternoon. The chance of rain remains below 5 per cent, with wind speeds reaching up to 8mph in the afternoon. Monday, August 10, will start clear, with temperatures rising from 11C to 29C by 5pm. The warning states: "While some places will miss them, thunderstorms are likely to develop increasingly widely as we go through Tuesday.