The city recorded 9.8 mm rainfall up to 5.30 pm on Thursday. Till 2.30 pm, it was 8 mm.
Weather experts said that the rainfall is part of the southwest monsoon and also because of the formation of various systems.
The city also recorded a maximum temperature of 24.7 degrees Celsius, around four degrees below the normal 28 degrees, on Thursday afternoon.
The HAL airport received 14 mm rainfall while the international airport recorded 3.8 mm rainfall up to 5.30 pm on Thursday. However, the Bruhat Bengaluru Mahanagara Palike (BBMP) control room did not receive any tree fall or waterlogging complaints.
C P Patil, India Meteorological Department Bengaluru director-in-charge, said that south interior Karnataka, coastal Karnataka, Tamil Nadu and Kerala will receive moderate to heavy rainfall measuring up to 6-7 cm over the next four-five days.
He said there is a circulation over Lakshwadeep and Maldives area of the east Arabian Sea. A low-pressure area is likely to form during the next 24 hours, which will become a depression in the next 36 hours and move in northwest direction and further intensify to form a cyclone. It will then move towards the Oman coast.
The IMD has also issued a warning for fishermen not to venture into the sea. An alert has been issued for Karnataka, Tamil Nadu and Kerala.
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