The concourse at London Bridge mainline station was closed on Thursday after glass panels were dislodged from the roof as a result of high winds.
Some glass panels in the roof were dislodged and fell onto the concourse on Thursday afternoon.
There was no access to, or exit from, London Bridge mainline station, though passengers could change trains at the through platforms.
The concourse was closed for much of Thursday afternoon and evening.
Underground services from London Bridge continued as as normal.
"The extreme weather has caused severe disruption on the rail network today," says Robin Gisby from Network Rail.
"There have been more than 1,000 separate incidents of debris and other obstructions landing on the railway.
"We are doing all we can, but our advice to passengers is not to travel on the rail network in England and Wales unless absolutely necessary."
The severe weather also led to the suspension of Eurostar services from Waterloo International.
The London Eye was also closed on Thursday.