Northeast monsoon to set in over Tamil Nadu on October 15, bring widespread rain till October 20: Regional Meteorological Centre
Northeast monsoon is expected to bring fairly widespread rainfall over the State till October 20, putting an end to the extended spell of soaring temperatures in interior districts
The Regional Meteorological Centre (RMC) predicts that the northeast monsoon is set to begin over Tamil Nadu on October 15, 2026, bringing widespread rain throughout the state until October 20, 2026. This arrival of the monsoon is a relief for Tamil Nadu, which has been enduring a prolonged period of high temperatures.
Dark clouds had already started to form over coastal areas such as Chennai, signaling a change in the weather. Chennai had experienced intermittent showers and a cloudy sky on October 14, 2026. The RMC expects moderate rainfall to continue through Thursday, October 15, 2026, with temperatures remaining near the normal range of 33-34°C.
The southwestern monsoon is forecast to completely retreat from India on October 15, 2026. The RMC has anticipated heavy to very heavy rainfall over isolated areas in several coastal and Western Ghats districts on the day. Similar rainfall patterns are likely to persist in several interior districts until October 20, 2026. The wet spell is anticipated to lower temperatures to more comfortable levels starting from Friday, October 16, 2026.
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