Late July, most likely. That's been the start time of the previous seasons.
EDIT
Currently it says 11th July but listed as 4-11? Sooner though I hope!
Season Five aired from April 2016 to July 2016.
8 pm Monday, July 11 Season 4.5 premiere!
The first episode of season 3 will be on July 29th, 2008 at 9:00 PM.
Season 4 will start airing on the SyFy Channel July 9, 2010. This date was confirmed on the SyFy Channel site.
September 28 @ 9:00 PM EST
Eureka is currently at season 4.
No, Eureka returned for a fifth & final 13 episode season that aired from April to July 2012.
While season four of the television season "Eureka" has not started yet, the third season is currently reported to end on September 18, 2009.
Eureka Season 4 Episode 11 will air on July 11th, 2011.
Season 5 of Gossip Girl will start in September.
Damages with Glenn close is there a season 5 & 6 and when does it start?
Eureka, Yes!Yes. It seems, luckily, there will be Season 4!!Check out the interview via the Related Link.