Both Lacrosse and Oregon Scientific make wireless models with RS232
interfaces. I think both qualify as "consumer level".
There were two recent (past 6-8wks) threads on this general topic. One was
"433MHz receiver to RS232" in uk.tech.home-automation, the other was "433MHz
Weather Stations" in comp.home.automation.
I think you'll spend more time and effort than it's worth. I would look at
models that include RS232. A Google search on "wireless weather station"
will turn up several with RS232.
Which is better wired or wireless. There seems to be a lot of wireless
stations available now, but distances are not great. I am not sure on
the exact location I would install the station, but it could be up to
Does a rooftop make a good location for a station?
10. Weather Station