Yes, it is possible to get a Latvian translation free if you are happy with a rough and ready translation, which just gives you the basic meaning of the text.
There are a number of resources available to you.
Latvian Machine Translations
If the quality of your Latvian translation is not that important to you, then a machine translation may be a good idea. However, bear in mind that machine translators for the Latvian language vary a lot in quality.
Free web translation widgets
If you are looking for a simple free translation of a Latvian website, then your best bet might be to get a website translation widget.