In 2020 currency forecasts are primarily influenced by the perceived relative coronavirus impact on economies and the success of government's response to the pandemic.
In 2020 AUD/THB forecasts are primarily focused on the coronavirus impact on and response by both economies, in particular the drastic impact to tourism for Thailand.
You can read more about other AUD cross-rate forecasts here AUD Trends and Forecasts for 2020.
This is a difficult question and the answer really depends on many factors. The best way to consider an exchange rate's relative value is to look at the rate's history.
The following table looks at the change in the AUD to THB exchange rate to the present day for periods back 10 years:
|18 Sep 2020 : 22.6596||2% ▼||1 Week|
|26 Aug 2020 : 22.6505||1.9% ▼||30 Days|
|27 Jun 2020 : 21.2019||4.8% ▲||90 Days|
|26 Sep 2019 : 20.6880||7.4% ▲||1 Year|
|27 Sep 2015 : 25.3848||12.5% ▼||5 Years|
|28 Sep 2010 : 29.5018||24.7% ▼||10 Years|
AUD/THB 10 year historic rates & change to 25-Sep-2020 : 22.2161