Tamil Nadu, Puducherry rain forecast: Wet spell to last till August 14
Synopsis
Tamil Nadu's wet spell is not letting up. From Chennai's T Nagar to Ranipet's flooded roads, Sunday's showers are just the opening act — the IMD has forecast intermittent light to moderate rain across the state and Puducherry right through 14 August, with interior northern districts facing a marginal temperature uptick even as coastal areas get relief.
Key Takeaways
Tamil Nadu and Puducherry received light to moderate rainfall on Sunday, 9 August , with the wet spell forecast to continue until 14 August .
Chennai localities including Kodambakkam , Nungambakkam , Vadapalani , and T Nagar recorded moderate rain.
Ranipet district saw heavy rainfall in Walajapet , Arcot , and Kaveripakkam , causing road waterlogging.
Districts along the Western Ghats were forecast to receive moderate showers on Sunday.
Maximum temperatures are expected to remain largely stable through 12 August , though interior northern Tamil Nadu may see a marginal rise.
From Monday , light to moderate rain is likely at isolated locations across Tamil Nadu and Puducherry through the week.
Several parts of Tamil Nadu, including Chennai and its suburbs, received rainfall on Sunday, 9 August, as the India Meteorological Department (IMD) forecast light to moderate showers across the state and neighbouring Puducherry through 14 August. The unsettled weather pattern is bringing temporary relief from prevailing warm conditions across the region.
Rainfall Across Chennai and Suburbs
In Chennai, moderate rain was reported in Kodambakkam, Nungambakkam, Vadapalani, and T Nagar, pulling down temperatures across the city. Suburban areas, including Perungalathur and Vandalur, also received spells of rain, while parts of Chengalpattu district witnessed heavier showers accompanied by strong winds.
Rain continued for more than half an hour in areas including Thirumani, Vallam, and Alapakkam, disrupting normal activity in some localities. In neighbouring Tiruvallur district, moderate rainfall was reported from Vedanginallur, Tirupachur, Pullarambakkam, Poondi, Bheemanthoppu, Punnapakkam, and Ekkadu, among other areas.
Heavy Rain in Ranipet District
Ranipet district recorded heavy rainfall, particularly in Walajapet, Arcot, and Kaveripakkam. The downpour caused waterlogging in low-lying stretches of several roads, inconveniencing motorists and residents. Districts along the Western Ghats were also forecast to receive moderate rainfall on Sunday, according to the weather department.
IMD Forecast: What to Expect Till August 14
The meteorological department has indicated that the current spell of unsettled weather is expected to persist, with moderate rainfall likely across parts of Tamil Nadu until 14 August. From Monday onward, light to moderate rainfall is forecast at isolated locations across Tamil Nadu and Puducherry, suggesting intermittent showers will continue through the coming week.
Notably, no significant change in maximum temperatures is expected across Tamil Nadu and Puducherry on Sunday. A similar temperature pattern is likely to prevail from Monday through 12 August, with daytime temperatures remaining largely stable across most areas. However, parts of interior northern Tamil Nadu could experience a marginal increase in maximum temperatures during this period.
Impact and Outlook
The rainfall, particularly in Chennai and surrounding districts, is expected to provide temporary relief from daytime heat in areas receiving sustained showers. This comes as Tamil Nadu typically sees heightened rainfall activity during the southwest monsoon season, and the current spell aligns with broader monsoon patterns across peninsular India. Residents in low-lying and flood-prone areas are advised to remain cautious as intermittent heavy spells remain possible through the week.
Point of View
But the waterlogging already reported in Ranipet and Chengalpattu is a reminder that Chennai's urban drainage infrastructure remains a perennial weak point. Moderate rainfall causing road disruptions is not a monsoon anomaly — it is a governance gap. As Tamil Nadu heads toward Independence Day with wet conditions persisting, civic authorities in low-lying districts will need to stay ahead of localised flooding rather than respond after the fact.
NationPress
9 Aug 2026
Frequently Asked Questions
Which areas in Tamil Nadu received rain on 9 August 2025?
Several areas received rainfall on 9 August, including Chennai localities such as Kodambakkam, Nungambakkam, Vadapalani, and T Nagar, as well as suburban areas like Perungalathur and Vandalur. Ranipet district recorded heavy rain in Walajapet, Arcot, and Kaveripakkam, while Tiruvallur and Chengalpattu districts also saw moderate to heavy showers.
How long will the rain continue in Tamil Nadu and Puducherry?
According to the meteorological department, the current spell of unsettled weather is expected to persist until 14 August. From Monday onward, light to moderate rainfall is forecast at isolated locations, meaning intermittent showers are likely through the coming week.
Is there a risk of flooding or waterlogging in Tamil Nadu?
Waterlogging has already been reported in low-lying road stretches in Ranipet district following heavy rainfall. Residents in flood-prone and low-lying areas across Tamil Nadu are advised to remain cautious, as intermittent heavy spells remain possible through 14 August.
Will temperatures change in Tamil Nadu during this wet spell?
No significant change in maximum temperatures is expected on Sunday or through 12 August across most of Tamil Nadu and Puducherry. However, parts of interior northern Tamil Nadu could experience a marginal increase in daytime temperatures during this period.
Which districts are most affected by the current rain spell?
Ranipet, Chengalpattu, Tiruvallur, and Chennai districts have been among the most affected so far. Districts along the Western Ghats are also forecast to receive moderate rainfall, according to the IMD.
