Delhi is expected to witness spotty thunderstorms and accompany rain on Friday (27 June 2025), with the weather department maintaining a yellow alert amid heightened monsoon activity. Daytime highs will hover around 35°C (95°F), while overnight lows remain warm at approximately 29°C (84°F), a degree above seasonal norms.
Humidity levels are already elevated, with morning values around 72%, intensifying discomfort but promoting the onset of much‑awaited monsoon relief. Delhi’s climate—characterised as humid subtropical—is now transitioning firmly into its rainy season, which typically brings substantial precipitation through September. While southern regions experienced early monsoon onset, Delhi’s rainfall has lagged. Despite an initial forecast for onset around 24–26 June, conditions remained tame until thunderstorm warnings started on 23 June. Anticyclonic circulation systems held back widespread rains over northwestern India. That pattern is now shifting, and IMD predicts the monsoon trough will arrive within 3–4 days—potentially enhancing rainfall across the National Capital Region.
After enduring extended heatwaves earlier in June, this moist turn brings much‑needed respite. Forecasts warn of gusty winds and occasional heavy downpours until 29 June, during which residents are advised to exercise caution and avoid open, elevated spaces. Reduced vehicle idling at tolls and fewer dust storms amid rain are contributing to cleaner air. Delhi’s Air Quality Index (AQI) reached a “satisfactory” level of 95 on 26 June—especially notable following improved conditions earlier this year that positioned 2025 as the second-cleanest since 2016. The CPCB defines AQI values between 51 and 100 as satisfactory, entailing only mild breathing discomfort for sensitive individuals.
The fresh rains represent a positive trend for Delhi’s journey towards a zero‑net‑carbon, eco‑friendly, sustainable, gender‑neutral and equitable city. Calm weather improves commuting comfort across socioeconomic boundaries—with women, the elderly and outdoor workers gaining particular advantage from moderated temperatures and cleaner air. For a city long studded with pollution challenges, this shift offers tangible public health benefits. However, excess rainfall isn’t without risks. Storm surges, lightning strikes, and disrupted transport during yellow alerts underline the need for resilient urban systems. Prompt drainage, public‑safety advisories, and non‑discriminatory support protocols are now integral to harnessing these wet conditions sustainably.
As Delhi progresses into the monsoon season, the city stands at a vital crossroads. Weather models indicate above‑normal rainfall, with sustained thunderstorms and humidity expected well into early July. This aligns with IMD’s broader predictions of an early, robust monsoon, benefiting agriculture and water reserves nationwide. For urban planners, it is a moment to convert weather events into long‑term resilience. Clean air and stable temperatures should help embed sustainable commuting, green infrastructure and equitable planning into Delhi’s growth story. As the city transitions from heatwaves to hydrated monsoon rhythms, it must harness both policy and community energy to nurture sustainable urban life.
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