Homes have been flooded and roads are still closed due to rising river levels.
The Environment Agency (EA) has predicted the River Thames will continue to rise for the next 24 hours.
A total of 12 homes in Horton have been flooded and properties of vulnerable residents in Wraysbury were evacuated.
More than 3,000 sandbags have been given out and the Royal Borough's streetcare and operations team is working 24 hours a day.
There is a flood warning in place for properties closest to the river in Old Windsor from Friday Island to Magna Carta Island.
A flood alert was issued this morning for Datchet to Shepperton Green including Old Windsor, Wraysbury, Horton, Staines, Egham, Laleham and Chertsey.
Road closures include:
The Met Office states that the weather will be settled until the weekend when more unsettled weather will feature running into next week.
Visit the EA website for flooding information.
Contact the Royal Borough's customer service centre on 01628 683800 or out of hours on 01753 853517 if you have concerns.
See photographs of the floods in Berkshire here.
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