Tamil Nadu to Receive Widespread Rain Over the Next 7 Days Due to Coastal Trough

The Regional Meteorological Centre (RMC), Chennai, has issued the daily weather bulletin for Tamil Nadu, Puducherry, and Karaikal, forecasting light to moderate rainfall across several parts of the region over the next seven days.

Weather Summary  Last 24 Hours

During the past 24 hours, a few places in Tamil Nadu received rainfall, while dry weather prevailed over Puducherry and Karaikal.

Weather Forecast for the Next Seven Days

According to the RMC, a coastal trough extending from South Gujarat to Central Kerala persists at mean sea level, influencing weather conditions across southern India.

July 8 and July 9, 2026

Nilgiris district is likely to receive heavy rainfall accompanied by strong winds of 50 - 60 kmph at isolated places.

Other districts along the Western Ghats may experience moderate rainfall with similar wind speeds.

Light to moderate rain is expected at isolated places across the rest of Tamil Nadu, Puducherry, and Karaikal.

July 10, 2026

Moderate rainfall accompanied by strong winds of 50-60 kmph is likely over the Western Ghats districts.

Light rainfall is expected at isolated places across the remaining parts of Tamil Nadu, Puducherry, and Karaikal.

July 11 and July 12, 2026

Moderate rainfall is likely at isolated places in the Western Ghats districts.

Light rain is expected at isolated places across the rest of Tamil Nadu, Puducherry, and Karaikal.

July 13 and July 14, 2026

Light to moderate rainfall is likely at isolated places across Tamil Nadu, Puducherry, and Karaikal.

Chennai Weather Forecast

For July 8 and July 9, the sky over Chennai and its suburbs is expected to remain partly cloudy. Light rain may occur in a few areas of the city.

Maximum temperature: 38°C to 39°C

Minimum temperature: 29°C to 30°C

Fishermen`s Warning

Tamil Nadu Coast

July 8 to July 12: No warning has been issued.

Bay of Bengal

July 8 and July 9: No warning.

July 10: Squally winds of 40 - 50 kmph, gusting up to 60 kmph, are likely over the Andaman Sea and adjoining Central East Bay of Bengal.

July 11: Squally winds of 45 - 55 kmph, gusting up to 65 kmph, are expected over the Andaman Sea. Winds of 40 - 50 kmph, gusting up to 60 kmph, are also likely over adjoining Central - East Bay of Bengal.

July 12: Squally winds of 45-55 kmph, gusting up to 65 kmph, are expected over the Andaman Sea, parts of the Central Bay of Bengal, and most parts of the South Bay of Bengal. Winds of 40-50 kmph, gusting up to 60 kmph, are also likely over adjoining areas.

Arabian Sea

July 8: Squally winds of 45-55 kmph, gusting up to 65 kmph, are likely over much of the Central - East Arabian Sea adjoining the Central-West Arabian Sea, and parts of the South Arabian Sea. Winds of 40 - 50 kmph, gusting up to 60 kmph, are also expected along the Kerala-Karnataka coast, Lakshadweep region, and adjoining Central-East Arabian Sea.

July 9: Similar weather conditions are expected, with strong winds continuing over the Central - East Arabian Sea, Kerala-Karnataka coast, Lakshadweep region, and nearby sea areas.

July 10 to July 12: Squally winds of 45-55 kmph, gusting up to 65 kmph, are expected to persist over the Central-East Arabian Sea adjoining the Central-West Arabian Sea.