What temperature readings is Voyager 1 currently reporting?

Answer 1

I not sure. I figure it getting cold now. The link is what I looked at about 1 month ago and it is still to be updated.
http://voyager.jpl.nasa.gov/
Heading for the Heliosheath/Heliopause
NASA's twin Voyager spacecraft are beaming back new information about the final frontier of our solar system, including evidence of "potholes" in the turbulent zone near the edge. New findings are being presented this week at the American Geophysical Union conference in Baltimore. May 23
Page was last updated November 27, 2006

Also you can read this;
http://www.nasa.gov/vision/universe/solarsystem/voyager_2006agu.html

Answer 2

I don't know if they are still recording temperature with Voyager 1. I suspect it is in the neighborhood of 3 degrees Kelvin.