"Moderate rain bordering on the higher side is likely to occur in Kolkata tomorrow, " Das said.
Moderate rain may occur in the city on Saturday as well as in the coastal districts, he said.
The depression, which lay 820 km southeast of Gopalpur at 2.30 pm today, is likely to move north-northwestwards and intensify into a deep depression by tomorrow, the met department said.
The day temperature in Kolkata, which was 27.6 degrees celsius this afternoon, may go down by at least two to three degrees while night temperature is likely to increase by two notches from 16.5 degrees Celsius today, it added.
(This story has not been edited by Business Standard staff and is auto-generated from a syndicated feed.)