Thursday starts dry, cool and bright, but rain risk increases sharply later in the day, with the wettest spell expected during the evening.
Early morning will be chilly, with temperatures around 9C from 5am to 7am. It stays dry, with the chance of rain below 5%. Winds will be very light from the south to south-south-west at around 1mph to 2mph, with visibility ranging from moderate to good.
Through the morning, conditions remain dry with sunshine and sunny intervals. Temperatures rise from 11C at 8am to 15C by 10am and 16C by 11am. Winds turn south-westerly and strengthen slightly, reaching around 5mph by late morning, with gusts up to 19mph.
Around midday and early afternoon, it remains mainly dry but becomes cloudier. Temperatures reach 17C at midday, 18C at 1pm and 19C by 2pm and 3pm. The chance of rain remains below 5%. Winds stay from the south-west at around 7mph to 8mph, with gusts around 23mph to 25mph.
The UV level peaks at 4 from late morning into early afternoon, before easing later in the day.
The evening is the main change. The chance of rain rises from 30% at 5pm to 50% at 6pm, 60% at 7pm, 70% at 8pm and 80% by 9pm. Temperatures ease from 19C at 5pm and 6pm to 18C at 7pm, 17C from 8pm to 9pm, and 16C by 10pm and 11pm.
Winds remain mostly south-south-westerly at around 7mph in the evening, with gusts around 22mph to 23mph. Humidity rises steadily, reaching the high 80s by late evening.
