The rainbow made its debut at about 8 a.m. between rain showers.
Many photos were posted to social media from throughout the city, but the most remarkable were those showing the WTC.
Ben Sturner was positioned just right to capture the rainbow starting at the World Trade Center:
#magicalrainbow few more photos I took of the Rainbow originating from World Trade Center the day before 9-11 pic.twitter.com/REtmljuYBz
— Ben Sturner (@leverageagency) September 10, 2015
And this is his photo showing the full skyline:

These other photos were taken from other parts of the city:
#wtc #nyc #rainbow http://t.co/YKTrSTQoOJ pic.twitter.com/qUmbV6meGf
— Zeb Dropkin ☯ (@zeb) September 10, 2015
Here are some other we found:
Double #rainbow graces the skies over #NYC this morning. #doublerainbow pic.twitter.com/k5GZrE3Aj6
— Inga Sarda-Sorensen (@isardasorensen) September 10, 2015
#WTC #rainbow #NYC #Brooklyn pic.twitter.com/uRac6rTrqJ
— MZ PHOENIX (@Mz_BK_Phoenix) September 10, 2015
So this happened this morning #rainbow #rainyday #nyc #bpc @NYHarborPrksNPS pic.twitter.com/gVsqq0QQ5R
— Michelle Franzen (@MichelleFranzen) September 10, 2015
#Rainbow #Empire #LucaMarféPhotography #Photography #NewYork #NewYorkCity #NYC #NY #Manhattan #Now @EmpireStateBldg pic.twitter.com/7rTfZkheX7
— Luca Marfé (@marfeluca) September 10, 2015
Eyewitness News will have special coverage of the 9/11 memorial ceremony on Friday starting at 8:25 a.m. Watch live via the abc7NY app.
If you capture weather or breaking news on your camera or cellphone, send it to us on Twitter or Instagram using the hashtag #abc7NY.