Eastbourne and Hastings are in for a cloudy day with a small chance sun this afternoon. Temperatures will peak at eight and drop to four overnight.
Brighton and Chichester are going to be cloudy this morning but the sun will come out for the majority of the afternoon. Temperature highs of nine and lows of four.
Horsham and Worthing start off cloudy with the sun coming out from 3pm. Temperatures will rise to nine before falling to four overnight.
Tomorrow is looking much warmer with highs of 14 across Sussex before it turns colder next week.