Widespread frost blanketed the the southeast this morning, with much of Victoria seeing temperatures well below average. Clear skies and light winds overnight were the blame for below normal minimums. Most districts around the state saw some patchy frost or fog. In the Malle, Hopetoun was three degrees below average at one degree with frost about the area. In the Western district, Hamilton received its coldest night in three years, reaching a chilly minus one. Around Melbourne temperatures were a bit warmer but still around two to four degrees below average. If it wasn't frost, it was fog that affected many areas. Casterton and Ballarat saw visibilities reach below 50 metres and 100 metres in Kilmore. The fog cleared soon after sunrise with around average maximum temperatures for most of the state. Frost is expected to return tomorrow with cold temperatures sticking over the area and light winds in the morning. Currently, there is a frost warning in effect for the Northern Country, West and South Gippsland and Northeast.