I am looking for an outdoor air temperature sensor that I can access through the local WiFi network without the use of cloud services.
I use a Wemos D1 mini, running ESPEasy, with a waterproof ds18b20 attached to it.
There are probably 100 other ways to do it.
Are you looking for something pre-made? DIY? Price range?
Cheapest off the shelf options are RF433 based sensors which you can then “bridge” the data to HASS using something like RFLink. for a shopping list of options, have a look at the compatibility list for RFLink.
If you do add RFLink, you will be able to receive lots of RF433 data with the same unit.
Do folks know of a decent z-wave outdoor sensor?
What did you end up using? I wish Wyze would make one.