According to the Met Office a period of heavy rain in the morning is expected to be followed by sunny spells in the region.
The Met Office also said it could be ‘another warm and muggy’ night for most residents in the region.
After heavy rain overnight, East Sussex is expected to have a relatively dry day with a ‘less than’ five per cent chance of rain from 11am-11pm.
East Sussex is set to see highs of 22° between 4-5pm as well as lows of 17° at night.
West Sussex is also predicted to have a fairly dry day, according to the Met Office.
The county has a ‘less than’ five per cent chance of rain from 10am-10pm along with highs of 21° between 4pm-5pm.
West Sussex is also due to see lows of 17° and 18° at night.