The jet stream took a big dip south this week allowing Arctic air to envelop the eastern United States and eastern Canada.
Temperatures dropped to freezing all the way to the Gulf of Mexico.
Meteorologists say the early icy blast was more typical of January than mid-November.
New record lows were set in Ontario where CFB Borden fell to -24°C and Toronto Pearson Airport dropped to -14°C.
The coldest low of the season was set in Greater Moncton today at -10°C and just a couple degrees shy of the record.
The Southeast New Brunswick forecast calls for a roller coaster ride this weekend followed by more seasonable temperatures next week.