Northeast monsoon to set in over Tamil Nadu on October 15, bring widespread rain till October 20: Regional Meteorological Centre
The Regional Meteorological Centre has announced the onset of the Northeast monsoon in Tamil Nadu, expected to bring widespread rain through October 20. This shift is anticipated to end a period of high temperatures across the state.
Why it matters
The monsoon is critical for the region's water security and agricultural health, providing relief from extreme heat and drought conditions.
The Regional Meteorological Centre (RMC) has forecast that Northeast monsoon rainfall may commence over the southern peninsula from Thursday (October 15, 2026).
This comes as welcome news to large parts of Tamil Nadu that have sweltered through a prolonged spell of warm weather. Dark clouds had already begun gathering over coastal parts of the State like Chennai, signalling a shift in weather conditions.
Chennai experienced intermittent showers and a cloudy sky on Wednesday (October 14, 2026). Moderate rainfall is expected to continue on Thursday (October 15, 2026), with the temperature likely to remain close to the normal range of 33-34°C
Nagapattinam and Karaikal received rainfall of 9 cm and 8 cm each till 6 p.m., while various other places such as Dharmapuri, Virudhunagar, and Ramanathapuram received light to moderate rainfall.
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