Setup the Ambient temperature sensor Tibbit in visual LTPS Web Configurator or as described in Configuring TPS Agent:
After writing settings and reboot LTPS Tibbits tab with subtab Sensors will appear:
The temperature in Celsius degrees.
To increase the accuracy of measurements, remove tibbit case (it may be variations between several degrees).
The value are updated during AggreGate Client synchronization (3 minutes by default). You can reduce synchronization period or force synchronize to get actual values.