Toorak Winery and Lillypilly Estate Winery are both used to having to contend with all sorts of external factors when it comes to making sure their grapes flourish and grow just how they want them to.

Hot weather is typically one of those, but this year there was also the added scent of smoke in the air after it wafted towards town from the dozens of bushfires burning throughout NSW and Victoria earlier this year.

Thankfully, both Robert Fiumara from Lillypilly and Robert Bruno from Toorak, said the smoke that was seen here in Leeton didn't diminish the quality of their grapes.

"It did mean for us that we didn't take any grapes from the bushfire-affected areas that we normally do," Mr Bruno said.

"There wasn't enough smoke here locally to have an affect, so they were fine that way.

"Gundagai and Tumbarumba were severely affected, so we didn't take any grapes from there this season.

"It's an interesting process when it comes to smoke because you can't taste the smoke in the actual grapes, it doesn't come out until fermentation."

Yields were down for Toorak, but the quality was something Mr Bruno was happy about.

"The quality was really good ... I was a bit concerned with the hot weather we had in the middle of the season, but the grapes recovered okay," he said.

"The wines are looking good."

Mr Fiumara had similiar sentiments and was looking forward to having the finished 2020 vintage product ready for buyers.

"Our yields were down a bit because we've basically had three years of drought," he said.

"Overall though we were happy and fortunate to be in a situation where we had grapes to bring in.

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"People in those bushfire-affected places just lost everything, so we really feel for them."

Across the country, the wine grape harvest for this year experienced a drop of around 20 per cent to what was brought off the vines compared to 2019.

Both of the shire's wineries are now looking towards next season and will again be keeping an eye on their vineyards during winter.

"At the moment frosts are okay, but it's the spring frosts that we sometimes get that could be a bit of an issue, but we will just wait and see," Mr Bruno said.

Residents wanting to do their part to support the wineries can simply pick up a bottle of their favourite drop from the cellar door or from the many outlets they are sold at in town.