Brisbane is on track to record its coldest days of the year this weekend, with overnight minimums expected to drop to just 6 degrees, according to the Bureau of Meteorology.

It comes after parts of Queensland dropped below freezing on Friday morning, with the southern Queensland town of Roma hitting a low of -1.7 degrees at 6.20am.

Frozen dairy farm fields created a stunning sight near Warwick in Queensland's Southern Downs on June 18. (File Image)

Brisbane reached a minimum of 11 degrees just after 7am on Friday while the Ipswich suburb of Amberley hit a morning low of 3.2 and Gatton, west of Brisbane, dropped to 4 degrees.

Roma, 400 kilometres north-west of Toowoomba, was the coldest Queensland town. Applethorpe, near the state border, dropped to -1.4 and Oakey, in the Toowoomba region, dipped to -1.6 degrees.