As fog settles in Wednesday morning, a showery Thursday with snow down to 600m on Bank Peninsula is on the horizon.
MetService has forecast a high of 12°C with sunset at 5.41pm.
At 7.30am, the temperature was 1.2°C. Northeasterly breezes are developing, which will keep the chill in the air.
Despite the fog, flights departing from and arriving at Christchurch Airport have not been delayed.