Chennai Weather Forecast & Update for Today, Sunday, 18 October 2026: Expect Slight Rain Showers and High Humidity, High of 31°C
Chennai's weather on Sunday, 18 October 2026, will be characterised by slight rain showers and high humidity, with the temperature reaching a high of 31°C. Residents can expect a 'feels like' temperature of 30°C due to 96% humidity, with intermittent drizzle and overcast conditions forecast for much of the day. The chance of rain remains high throughout.
Chennai can expect a day marked by slight rain showers and high humidity on Sunday, 18 October 2026, as the mercury is set to reach a high of 31°C. The current temperature stands at 25°C, with a 'feels like' temperature of 30°C due to the oppressive 96% humidity. Gentle winds will blow at around 5 km/h.
| Current Weather in Chennai, Tamil Nadu — Sunday, 18 October 2026 | ||
Temperature 25°C | Feels Like 30°C | High 31°C |
Low 25°C | Conditions Slight rain showers | Humidity 96% |
Wind Speed 5 km/h | ||
| Hourly Outlook for Chennai — Sunday, 18 October 2026 | ||||
| Time (IST) | Temp | Conditions | Rain | Wind |
| 00:00 | 25°C | Slight rain showers | 98% | 5 km/h |
| 02:00 | 24°C | Moderate drizzle | 94% | 8 km/h |
| 04:00 | 24°C | Moderate drizzle | 81% | 5 km/h |
| 06:00 | 24°C | Light drizzle | 64% | 5 km/h |
| 08:00 | 26°C | Moderate drizzle | 49% | 3 km/h |
| 10:00 | 27°C | Overcast | 62% | 5 km/h |
| 12:00 | 28°C | Overcast | 73% | 6 km/h |
| 14:00 | 29°C | Overcast | 78% | 8 km/h |
Chennai, Tamil Nadu Weather Live Tracker Map on Windy
The early hours of Sunday will see a higher chance of rain, with conditions ranging from slight showers around midnight to moderate drizzle between 2 AM and 6 AM. While the rain intensity is expected to decrease, cloud cover will increase through the morning, becoming overcast by 10 AM. The chance of rain remains significant throughout the day, hovering around 60-70% even as temperatures gradually climb to their peak. Late afternoon hours, particularly around 2 PM, will see the temperature reach 29°C under overcast skies with an 78% chance of rain, and the maximum wind speed will reach 8 km/h.
Disclaimer: AI tools assisted in compiling the foundational data and research for this report. The final content was reviewed, edited and verified by human editors at LatestLY.
(The above story first appeared on LatestLY on Oct 18, 2026 12:03 AM IST. For more news and updates on politics, world, sports, entertainment and lifestyle, log on to our website latestly.com).