Rainy Days For Delhi Ahead: Mercury Drop Likely

By: AVM GP Sharma | Edited By: Arti Kumari
Aug 18, 2026, 3:30 PM
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Representational Image: AI-Skymet

Key Takeaways:

  • Delhi is likely to receive rain and thundershowers between August 19 and 22 after three consecutive rainless days.
  • The monsoon trough is expected to move closer to Delhi and remain near the region for the next 3-4 days.
  • Short-duration rain and thundershowers are expected, with isolated locations possibly receiving heavy showers.
  • Delhi's maximum temperature may fall by around 3°C to nearly 32°C, bringing relatively pleasant nights and early mornings.
  • Forecast Validity: Next 2 to 3 days.

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Delhi has not received any rainfall for the last three days. The day temperature has risen and exceeded 35°C yesterday. Today also, the maximum will stay around 36°C (+/- 1°C). Rain showers are likely between 19th and 22nd August, and a dip in mercury is likely during that period.

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The seasonal monsoon trough remains the main trigger for weather activity around this time. The east-west-oriented trough is located north of Delhi and is passing through Firozpur, Dehradun, Gorakhpur, Patna, and further east to join the depression over West Bengal and Jharkhand. The trough is likely to come a little closer to Delhi today, and for the subsequent 3-4 days, it is expected to pass through Delhi.

The monsoon depression is lying over the Gangetic West Bengal and Jharkhand region. It is centred northeast of the Ranchi-Jamshedpur axis. There has been moderate to heavy rain and thundershowers over the area covering Kolkata, Burdwan, Midnapore, Bankura, Haldia, Baripada, Ranchi, and Jamshedpur. Heavy rains also lashed the interiors of Odisha. This system will move northwestward across Jharkhand, Bihar, and East Uttar Pradesh. The axis of the monsoon trough will oscillate and run along the Indo-Gangetic plains.

The monsoon trough will be in close proximity to Delhi tomorrow and hold this position for the subsequent 3-4 days. The western disturbance moving across the mountains will help strengthen the trough. Rain and thundershowers are likely to be of short duration. Isolated places will pick up some heavy showers as well. The day temperature will drop by about 3°C and hang around 32°C (+/- 1°C). Nights and early mornings will become relatively pleasant.

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AVM GP Sharma
President of Meteorology & Climate Change
AVM Sharma, President of Meteorology & Climate Change at Skymet Weather Services, is a retired Indian Air Force officer who previously led the Meteorological Branch at Air Headquarters in New Delhi. With over a decade of experience at Skymet, he brings a wealth of knowledge and expertise to the organization.
FAQ

Rain and thundershowers are likely over Delhi between August 19 and 22, with weather activity increasing as the monsoon trough moves closer to the city.

Most rain and thundershower spells are expected to be of short duration, although isolated locations may receive some heavy showers.

Yes. The maximum temperature is expected to drop by around 3°C and settle near 32°C (+/- 1°C) during the rainy spell.

Disclaimer: This analysis is based on Skymet’s proprietary weather database, internal forecast models, station observations, climatological datasets, and expert meteorological interpretation by the Skymet Weather team. While every effort is made to ensure scientific accuracy, weather conditions are dynamic and may evolve over time. This assessment is intended for informational purposes and should not be considered an absolute or guaranteed prediction.

Skymet is India’s most accurate private weather forecasting and climate intelligence company, providing reliable weather data, monsoon updates, and agri-risk management solutions across the country.