The public tribute to Harman will be held in the Grand Hall under the clock at Union Station from 8 to 9 a.m. Saturday, December 17.
Harman was 41. He is survived by his wife, Monica, and young daughter, Avery.
John Landsberg reported that a private memorial service was held at Fox 4 on Wednesday.
Harman had been part of Fox 4's morning news show since April 1999. His quirky humor was featured on the show.
Here's Harman's obituary.