Archive · 9 Oct 2026
Mumbai Records 37.8°C as Post-Monsoon Heatwave Conditions Persist
Mumbai was very hot on Friday, October 9.
The Santacruz weather station measured a high of 37.8°C, which was hotter than usual.
The weather department issued a heatwave alert for Mumbai and three nearby districts.
It expects Saturday to feel almost like a heatwave, even though it has not issued a weekend heatwave warning.
Saturday’s high could be around 38°C.
The monsoon had officially withdrawn from Mumbai on October 3.
Air quality was also getting worse in some parts of the city.
Deonar had the highest AQI among the listed areas, at 152.
Santacruz recorded a maximum of 37.8°C on October 9, 4.7°C above normal.
The India Meteorological Department issued a heatwave alert for Mumbai, Thane, Raigad and Ratnagiri for Friday.
The IMD expects heatwave-like conditions and temperatures around 38°C on Saturday, but no weekend heatwave warning was issued.
Mumbai’s monsoon withdrawal was declared on October 3, five days earlier than the normal date.
Air quality had deteriorated; Deonar recorded the poorest listed AQI at 152.
- Who
- Mumbai residents and the India Meteorological Department.
- What
- Santacruz recorded 37.8°C, while the IMD issued a heatwave alert and forecast continued hot conditions.
- When
- Friday, October 9, 2026, with heatwave-like conditions forecast for Saturday.
- Where
- Mumbai, with the alert also covering Thane, Raigad and Ratnagiri.
- Why
- Temperatures were well above normal, prompting the IMD to alert the districts to heatwave conditions.
- Santacruz maximum
- 37.8°C, 4.7°C above normal
- Colaba maximum
- 37.0°C, 4.4°C above normal
- Saturday forecast
- Heatwave-like conditions; maximum around 38°C
- Alert districts
- Mumbai, Thane, Raigad and Ratnagiri
- Monsoon withdrawal
- Declared for Mumbai on October 3, five days before the normal date
- Highest listed AQI
- Deonar: 152