The Met Office says that sunny spells will continue across the county for the rest of today leaving a mainly clear night.
However, temperatures are only likely to drop to around 16/17degC.
Tomorrow (Thursday August 16) morning will be cloudy and it’s expected only to warm up a degree or two.
During the afternoon heavy rain will sweep across the county.
It is expected to hit West Sussex by around lunchtime with the east a few hours later as the wind is due to drop.
Pollen count and UV levels will be low.
Sunrise - 5.47am; sunset - 8.22pm.