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The maximum rainfall was observed in suburbs, the Met department sources said.
Kandivili and Malad suburbs recorded around 45 mm rainfall on Thursday morning.
The Met department has issued a heavy-to-very heavy rainfall warning during the next 24 hours for Konkan and Mumbai coasts.
Colaba recorded 21 mm rainfall and Santacruz recorded 75 mm downpour till 9am, sources said.
The Central Railway trains were running late by up to 1 hour because of signal problem at various locations, CR spokesman said.
The flights were running normal at the Mumbai international airport and there were no disruptions reported so far, sources said.
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