Despite the possibility of scattered rainfall, temperatures are not expected to change significantly between July 18 and July 21.
Interior districts are likely to record maximum temperatures around 2-3 degrees Celsius above normal, while coastal Tamil Nadu, including Puducherry and Karaikal, is expected to remain close to seasonal averages.
For Chennai, the sky is expected to remain partly cloudy throughout the day. Light to moderate rain with thunderstorms may occur in a few parts of the city during the evening or night. Daytime temperatures are likely to stay between 37 and 38 degrees Celsius, while minimum temperatures may hover around 28 to 29 degrees Celsius.