Chennai Weather Report Today 20 May 2026: Chennai, T. Nagar, Anna Nagar, Velachery & Tambaram Forecast With IMD Insights

Chennai Weather Report Today 20 May 2026: Chennai is currently under unstable weather conditions as cloudy skies, humid weather, thunderstorms and isolated rainfall is continuing to affect several parts of the city. As told by the India Meteorological Department (IMD), rise in humidity levels, and moisty winds are giving rise to the chances of a pre monsoon across Chennai and is also contributing to this rapid weather change across Chennai and the regions which are closer to it. In various parts including T. Nagar, Velachery, Tambaram, Anna Nagar, and OMR people are experiencing warm temperature during daytime and cloudy weather, lightning activity, moisty winds during evening caused by rise in humidity levels in the evening hours, on the other hand the daytime temperature is continuing to be hot and uncomfortable for the people of these regions, residence belonging to Chennai and its nearby regions are experiencing sticky weather because of the rise in the moisture level in the air and causing stickiness on people skin. Weather experts have made predictions that this change in humidity level may cause a pre monsoon earlier than the expected date as it is strengthening further in the southern part of India and Chennai may suffer from the continuation of rainfall and thunderstorms especially during late afternoon and nighttime hours.

Chennai Live Temperature, Sunrise-Sunset & Moonrise-Moonset

Yesterday vs Today Weather Comparison: Which Areas Saw Rain or Humidity Rise?

How Will Weather Impact Flights, Train, Traffic & Daily Life?

The varying weather patterns prevailing in Chennai could keep on impacting daily travel, traffic flow, and other outdoor activities.

Citizens have been asked to take their umbrellas when they are traveling and exercise caution during lightning events.

What Are the IMD Weather Alerts Today? Rain, Thunderstorm & Humidity Warnings Explained

IMD has released weather alerts in Chennai and surrounding districts of Tamil Nadu owing to ongoing pre-monsoon weather systems.

Experts feel that the moisture flow from the Bay of Bengal could keep on boosting the rainfall activity in Chennai.

When Will Monsoon Reach Chennai?

Weather forecasters feel that the monsoon systems would gain strength in Tamil Nadu during late May and early June.

What Is the 15-Day Weather Forecast? Chennai Rainfall & Temperature Trend Analysis

According to meteorologists, Chennai might experience humid weather conditions, cloudy skies, thunderstorms, and frequent rains in the coming days because of pre-monsoon activities becoming stronger in Tamil Nadu and southern India. Meteorologists have elaborated on the reason behind such weather conditions prevailing in Chennai, which is because of the moisture-laden winds blowing from the Bay of Bengal, high humidity levels, and unstable atmospheric conditions making cloud formation easy. The areas such as T. Nagar, Velachery, Tambaram, Anna Nagar, and OMR may experience sticky weather conditions, lightning, gusty winds, and isolated rain showers especially during late afternoon and night time. People residing in such areas will be experiencing discomfort because of the humid weather conditions even when there is occasional rainfall. Further, meteorologists have mentioned that pre-monsoon activities prevailing in southern India will make the weather conditions worse, and rainfall intensity will start increasing gradually in the coming weeks. Moreover, frequent cloud formation and rain showers can also help people experience better weather conditions in the coming weeks.

Also read: Uttarakhand Weather Update Today (20 May 2026): Heat in Dehradun, Haridwar & Rishikesh, Pleasant Conditions in Mussoorie and Nainital, Check Temperature