Temperature doesn't become less important, but it's beneficial to raise the temperature as fermentation dies down to reach maximum attenuation and processing of fermentation by-products. In that respect, you're fine.
But you'll probably want to get yourself one of these to ensure that you want have any issues with temperature swings in future batches:
The Fiesty(sic) Goat Brewery est. 2007 & Clusterfuggle Experimental Ales est. 2009
Planned: sLambic II, Flanders Red II
Primary: Berliner Weisse w/ GB 110 & Brett Brux, Berliner Weisse w/ L. brevis, Dark Mild w/ 002, Dark Mild w/ 028, sLambic I
Secondary: Orange Blossom Mead, Flanders Red I
Kegged: Fat Man Porter w/ 1469, Fat Man Porter w/ 005, Centennial Falcon w/ Conan, Centennial Falcon w/ Denny's, Barrel-aged Fat Man Porter, Belgian Dark Strong
Bottled: Flanders Red I