“An overcast sky, and no local heating during the day brought temperatures down,” said VK Rajeev, director, western region, IMD.
As per the 24-hour data by the India Meteorological Department (IMD), it rained 78.9mm in the suburbs between 8.30am on Friday and 8.30am on Saturday, which is more than last year’s 24-hour rainfall in July of 76.3mm. South Mumbai received 71.4mm rainfall on Saturday.
All through Saturday, the city witnessed a steady downpour with Santacruz recording 43.2mm of rainfall while it was 15.9mm in Colaba.
Weathermen said that monsoon had become active in north and south Konkan, south central Maharashtra and Marathwada.
“The off-shore trough extending from Maharashtra to Kerala has become very active. The westerly winds have gained strength,” said Rajeev.
The weather bureau has forecast heavy rain in the city over the next 48 hours.