Parts of the Hunter have shivered through their coldest morning so far this year.
The mercury plunged to minus 3.5 degrees at Cessnock just after 6.30, while the temperature dipped to minus 3.1 at Scone Airport just after 7 o'clock.
Elsewhere, it was zero degrees at Tocal just after 7am, 1.7 at Williamtown at 5.37am and minus 1.3 at Coooranbong at 7.15am.
Merriwa recorded the region's lowest temperature this morning, with minus 4.6 degrees at 7.08am.
