15-Day Weather Forecast - Chennai
15-day weather forecast for Chennai: temperatures from 24°C (75°F) to 34°C (93°F). Average daily high 32°C (90°F) over the next 15 days.
Hourly Forecast by Day
15-Day Temperature Trend
15-Day Weather Forecast
Updated just nowWeather Insight
Chennai's 15-day outlook ranges from a low of 24°C to a high of 34°C, with an average daytime high near 32°C. Air quality is currently Unhealthy for Sensitive Groups (AQI 105), driven mainly by O₃ at 117 μg/m³.
Today vs Normal
The long-term average high for today is 32°C.
26 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Health effects can be felt by sensitive groups, including children, older adults, and people with respiratory or heart conditions. The general public is less likely to be affected.
Extended Outlook for Chennai
Over the next 15 days, Chennai is forecast to see temperatures ranging from 23°C to 35°C, averaging a daily high of 32°C. The extended outlook indicates significant rainfall totalling 78.3 mm spread across 11 days. Conditions are suitable for most outdoor activities; carry an umbrella on days with showers.