The way to obtain that information is by telneting to the node
and use the command tmReadTemp.
Here is an example:
> telnet a.b.c.d
Login: CISCO
Password:XXXXXX
To discontinue logging in, type control-d or wait 60 seconds.
After logging in, type 'enablec' to enable abort key (control-c).
tmReadTemp
tmReadTemp
value = 28 = 0x1c