Night time forecast, snow cover, clear skies, no wind. the lack of cloud cover observed will lead to .......?

Night time forecast, snow cover, clear skies, no wind. the lack of cloud cover observed will lead to____________________________ temperatures.


Lower, Higher, No change. Which of the three is it, this is really bugging me.Night time forecast, snow cover, clear skies, no wind. the lack of cloud cover observed will lead to .......?
';colder';