SpaceX and NASA looking at only 40% chance of good weather for Saturday’s astronaut launch SpaceX and NASA looking at only 40% chance of good weather for Saturday’s astronaut launch May 28, 2020 dzadmin Comments 0 Comment Weather is expected to play a big role in SpaceX’s second attempt to send humans to the International Space Station from U.S. soil for the first time in nine years. The weather forecast is only 40% favorable for a Saturday or Sunday launch.