Fire authorities will step up prescribed burning around Sydney this weekend in a bid to reduce the threat from bushfires before temperatures start to climb later in the season.

Emergency service managers gathered in Sydney this week, warning this season's bushfires are likely to begin earlier than usual with forests along the eastern seaboard abnormally dry.

Hazard reduction burning is scheduled to take place over the next week. Credit:Wolter Peeters

Above average daytime temperatures will continue, with the forecast nudging 30 degrees in Sydney on Tuesday and Wednesday.

After a mild couple of days from Friday through the weekend, temperatures will climb to the high 20s in Sydney for Tuesday and Wednesday, the Bureau of Meteorology predicts.