Eastbourne and Hastings start off cloudy but the sun will come out this afternoon.
Brighton will start with cloud but brighten up from 11am onwards.
Horsham is cloudy all day, with a chance of sun from 5pm-7pm.
Worthing will see sunny intervals and a gentle breeze.
Chichester has on/off sunny spells all day.
Temperature highs will reach 20 and drop to 13 tonight.