The Washington Post

International Space Station viewable Friday, Saturday and Sunday nights

International Space Station (ISS) seen from NASA space shuttle Endeavour after the station and shuttle began their post-undocking relative separation May 29, 2011 in space. (NASA/GETTY IMAGES)

The best viewing conditions may well be tonight with low humidity and clear skies, although Saturday and Sunday should also provide decent views.

All three nights the ISS will first show up in the western skies before crossing more to the south. Here are the times to look up around the immediate D.C. metro region:

Friday: Rise 9:49 p.m., Closest approach 9:54, Set 9:59

Saturday: Rise: 10:28 p.m., Closest approach 10:32, Set 10:37

Sunday: Rise: 9:30 p.m., Closest approach 9:35, Set 9:40

(Use NASA’s applet to find out rise and set times for your specific location)

Jason is the Washington Post’s weather editor and Capital Weather Gang's chief meteorologist. He earned a master's degree in atmospheric science, and spent 10 years as a climate change science analyst for the U.S. government. He holds the Digital Seal of Approval from the National Weather Association.


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