Mercury Goes Above Normal In Delhi: Rain-Showers Likely This Week

Key Takeaways:

• Delhi recorded 37.1°C at Safdarjung on Saturday, while yesterday's maximum stood at 36.4°C, about 3°C above normal.
• October temperatures in Delhi generally peak during the first ten days, particularly during the first week.
• Light rain and stray showers are possible over Delhi/NCR from Tuesday to Sunday, with better chances between October 8 and 10.
• A change in wind pattern could lower the maximum temperature by around 3°C, bringing it into the low 30s later this week.
• Forecast Validity: 06–11 October 2026

Delhi has recorded above-normal temperatures at the start of October. Base station Safdarjung registered a high of 36.4°C yesterday, about 3°C above normal. Earlier, on Saturday, the mercury had breached the 37°C mark to record a maximum of 37.1°C. Last year, the highest of the month was 35.7°C, measured on 02nd October. However, the year prior, the maximum temperature was 37.2°C, also on 02nd October 2024.

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Mostly, the highest temperature of the month gets recorded in the first ten days, and that too more frequently during the first week of the month. The highest temperature of October during the last 15 years was 38°C, recorded on 05th October 2014. The highest-ever record for the month stands at 39.4°C, established in 1951.

As per the pentad normals, the month starts with a maximum of 33°-34°C and ends with a high of 30°-31°C. October is a fair-weather month, and the normal rainfall is just 14 mm. Wet spells are observed either when the monsoon withdraws late or when any active western disturbance passes across the mountains. The seasonal monsoon trough has already vacated the region, and therefore, rain and thundershowers, if any, are generally light in nature. One such situation is building up, which may cause rainfall over the city and suburbs during this week.

There is a western disturbance approaching tomorrow over the northern hills. A feeble cyclonic circulation is also coming up over the border areas of Punjab and the Pakistan region. A weak east-west trough is likely to stretch from the circulation to the foothills of Uttarakhand and West Uttar Pradesh. This feature will remain in proximity to Delhi for the rest of the week.

Though the main weather activity will remain confined to the foothills and adjoining plains of Punjab and Haryana, some stray showers may spill over Delhi/NCR. This light weather activity is likely between Tuesday and Sunday. The chances are higher between 08th and 10th October, and 09th October seems more favourable for the first wet spell of this month.

With the change in wind pattern, the temperature will take a dip to reach close to normal. The maximum temperature may cross 36°C today, but the mercury will dip by about 3°C and hover in the low 30s for the rest of the week.

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