The first launch of a big batch of satellites equipped with shades to reduce their brightness is set for Saturday.
This Falcon 9 rocket launched in November 2019, carrying 60 Starlink satellites.
"Standing down from today's mission due to weather," the company tweeted Wednesday, about 10 minutes before the scheduled launch time. .
The mission will come on the heels of a June 30 Falcon 9 rocket launch, which lofted a new GPS satellite for the US military