Find weblogic version from admin console

 Using the Oracle WebLogic Server Administration Console

• Use the left hand menu to navigate to Environment and Servers. Then, click the [Monitoring] tab. You should see a screen similar to the one below:

From SSH/ Putty console you can see also:

Go to MW home which is oracle home for your weblogic/ Fusion Middlewire

$cd $ORACLE_HOME/oui/bin

$pwd

$ pwd
/u01/fmw/app/oracle/product/12.1.0.2/oui/bin

$ sh viewInventory.sh | grep Distribution

   Distribution: WebLogic Server for FMW 12.2.1.4.0
   Distribution: OPatch 13.9.4.2.4
   Distribution: OPatch 13.9.4.2.5