The data for this weather forecast has been sourced from AQI.in, providing residents with comprehensive information to plan their daily activities and weekly schedules accordingly.Chennai residents can expect scattered showers and moderate temperatures on September 3, 2025, with a maximum of 34°C and minimum of 26°C. The city experienced good air quality yesterday with an AQI of 50, while today’s forecast indicates a 90% chance of rain with humidity at 65% and wind speeds reaching 24.5 kph.The morning started pleasantly, offering suitable conditions for outdoor activities before the day heats up. The weather forecast suggests keeping umbrellas handy as patchy rain is expected throughout the day.For daily planning, residents are advised to wear breathable fabrics and carry rain protection. Those traveling through high-traffic areas might benefit from wearing masks due to potential lingering pollutants in the humid conditions.
Yesterday’s Air Quality
Yesterday’s air quality measurements showed PM2.5 at 18 µg/m³ and PM10 at 50 µg/m³, with carbon monoxide levels at 458 µg/m³. These readings placed Chennai in the ‘good’ category for air quality, though sensitive groups might have experienced minor discomfort.
Current & Evening Conditions
The current conditions feature high humidity that makes the air feel heavier, but afternoon winds should provide relief. Evening hours are expected to bring cooler temperatures and pleasant breezes, making it suitable for outdoor activities after sunset.
The Week Ahead
The week ahead promises varying weather patterns. September 4 will reach 33.2°C with an 85% chance of rain, while September 5 will be warmer at 34.8°C with light showers expected.Weekend temperatures will moderate slightly, with September 6 reaching 34.2°C and September 7 showing 33.9°C. Rain probability will peak at 87% during these days.The following week begins with clearer conditions. September 8 and 9 will see temperatures of 34.7°C and 34°C respectively, providing better opportunities for outdoor activities if rain holds off.
Air Quality Outlook
Yesterday’s favorable AQI reading represented one of the month’s cleanest air days. The forecast of light rain throughout the week is expected to help maintain good air quality levels.According to AQI.in, these measurements and forecasts provide a comprehensive view of Chennai’s current environmental conditions and upcoming weather patterns.

