Many Sydneysiders would have noticed it was a bit on the cold side this morning, as the city chilled through its coldest night in over half a year. The city dipped to just 9.2 degrees this morning, the coldest it has been since October. This would have felt even chillier to those out for some morning exercise, with brisk winds making it feel more like seven degrees. Parts of Sydney's west would have woken to their first frost of the year, as some suburbs dipped close to freezing. Camden dropped to just one degree, and Richmond two degrees, both their coldest mornings since September. Over the next three days, nights should not be as cold as winds pick up and the air mass warms. Days will be characterized by generally clear skies and temperatures in the the low 20's, although the wind will add some chill to the mornings. This is likely to continue Sydney's trend of late season warmth, which should see its 25th consecutive day above 20 degrees today, the second longest stretch this late in the season on record. With the city tipped to reach at least 20 degrees until Friday, it is very likely the city will see its longest stretch this late in the season in 154 years of records. The run should finally come to an end on Saturday as a cold front brings a much cooler air mass. The city should only reach 19 degrees each day during the weekend, the coldest pair of days since October. Further cold nights are also likely from Sunday morning until at least mid-next week, with the mercury likely to dip even lower than seen this morning on at least one of these days. Winter is finally on its way.