🔥 Trending Monsoon Alert: Latest Weather Updates and Rain Forecast for Tamil Nadu

Chennai and Tamil Nadu are currently experiencing a period of varied weather, with a deep depression in the Bay of Bengal influencing conditions across the region. The India Meteorological Department (IMD) has issued forecasts indicating widespread rainfall and specific alerts for certain districts ⁴⁵⁶.

Current Weather Conditions in Chennai (as of July 5, 2026)

As of 06:30 PM on July 5, 2026, Chennai's weather is partly cloudy with a temperature of 36°C, feeling like 41°C due to a humidity of 45%. Wind speed is 26.6 km/h from the west, with gusts up to 12.6 m/s. The UV Index is low (0), and visibility is 6 km ¹.

Rainfall Forecast for Tamil Nadu and Puducherry

The IMD has predicted a six-day spell of widespread rainfall across parts of Tamil Nadu and Puducherry, with moderate showers expected in isolated areas ⁴.

Specific Rainfall Alerts:

• Orange Alert: An Orange Alert has been issued for Coimbatore, Nilgiris, and Kanyakumari districts, warning of heavy rainfall. Thunderstorms and gusty winds are also anticipated in these areas ⁵⁶.
• Isolated Heavy Rainfall: Isolated heavy rainfall was likely over Tamil Nadu, Puducherry & Karaikal on July 3rd-4th, and over Kerala & Mahe on the same dates ².
• Low-Pressure System: A low-pressure area formed over the northwestern Bay of Bengal and adjoining regions on July 4th, which is expected to intensify further, contributing to the heavy rainfall in the alerted districts ⁶.

Extended Outlook

The current weather patterns are part of the ongoing monsoon season. The IMD provides extended range forecasts for the monsoon, with updates typically covering two-week periods ⁸. For instance, a forecast from July 2nd to July 15th, 2026, would detail the expected weather trends ⁸.

Monthly Forecast for September 2026:

While the immediate forecast points to rain, looking ahead to September 2026, Chennai is expected to have an average temperature of 32°C during the day and 27°C at night. Other cities in Tamil Nadu like Coimbatore and Madurai are projected to see temperatures around 31°C/22°C and 34°C/25°C respectively, with Ooty being cooler at 23°C/15°C ³.