In the latest weather forecast for the city, the Met Office says heavy rainfall could lead to some disruption, primarily to travel.
The forecast says “spray and flooding on roads probably making journey times longer, with a small chance of road closures” are possible.
It also says “bus and train services may be affected with journey times taking longer”.
The Met Office also warns that “flooding of a few homes and businesses is possible”.
A forecaster said: “An area of rain, heavy in places, is expected to move northeastwards across parts of southern and eastern England, with thunder in a few places.
“15-25mm of rain is likely quite widely with some spots seeing around 40mm in a few hours. The rain should ease later in the day, before mostly clearing after dusk.”