Chennai Weather Today, October 7: High of 35–36°C, With Evening Rain and Thunderstorms Possible
Chennai’s weather forecast for Wednesday, October 7, 2026, calls for a partly cloudy and hot day, with a high of 35–36°C. Some parts of the city and its surrounding areas could receive light to moderate rain with thunder and lightning during the evening or night, according to the India Meteorological Department (IMD). The forecast does not support an all-day clear-sky outlook or limit the chance of rain to brief early-morning drizzle.
Chennai temperature and rain forecast for October 7
The IMD’s Chennai forecast puts the day’s minimum temperature at 26–27°C. Skies are expected to be partly cloudy, allowing for brighter periods, but residents should keep the possibility of a later shower or thunderstorm in mind when planning travel and outdoor activities.
Rain is forecast for some areas, not necessarily across the whole city. A dry spell in one neighbourhood therefore would not rule out a shower elsewhere. The IMD specifically identifies the evening and night as the period when light to moderate rain, thunder and lightning may occur.
The forecast includes a thunderstorm and lightning warning for Chennai. It does not predict widespread heavy rain in the city, but anyone outdoors should seek shelter if thunder is heard and avoid exposed locations until a storm passes.
Will it be clear and pleasant in Chennai today?
Partly cloudy conditions are possible, but describing Wednesday as a clear-sky day would overlook the IMD’s rain and thunderstorm forecast. A high near 35–36°C also makes “pleasant” a poor description of the afternoon heat. Water and shade will be useful for people spending time outside, especially before temperatures ease later in the day.
Humidity and wind can vary by hour and neighbourhood. Rather than treating 75% humidity or light winds as fixed conditions for the entire day, residents should check current local observations before heading out. Conditions can change quickly near a thunderstorm.
What about Thursday?
The IMD’s outlook for Thursday, October 8, again indicates a partly cloudy sky, a high of 35–36°C and a low of 26–27°C. It also allows for light to moderate rain with thunder and lightning in some areas. As with Wednesday’s forecast, that is a possibility for parts of Chennai rather than a promise of rain at every address.
For today, the practical takeaway is to prepare for heat during the day and leave room for a change in plans if showers or thunderstorms develop later. Check an updated local forecast before an evening journey, since the timing and location of individual showers may shift.

