National Day Weather: Showers and Thunderstorms Expected, Northeast Monsoon to Bring Autumn Chill
HK01 · 2 SOURCESabout 3 hours ago2 MIN
Summary
The Hong Kong Observatory issued its latest weather synopsis on the afternoon of National Day (October 1), warning that a Northeast Monsoon will affect southern China over the next one to two days, bringing increased cloud cover, showers, and thunderstorms to the region. The Observatory reports that as of 6 pm, the Very Hot Weather Warning remains in effect, with multiple locations across Hong Kong recording temperatures of 34 degrees or above during the afternoon. Sheung Shui and Shek Kip Mei emerged as the hottest spots, reaching 36.9 degrees and 35.9 degrees respectively around 2 pm. However, the weather is set to change dramatically as autumn conditions approach.
Key Points
- National Day (October 1) saw temperatures soar to 33.6 degrees at the Tsim Sha Tsui headquarters, with Sheung Shui and Shek Kip Mei hitting 36.9 and 35.9 degrees respectively, triggering the Very Hot Weather Warning .
- Friday (October 2) will bring a dramatic temperature drop, with Sheung Shui and Shek Kip Mei expected to fall to 25 and 24 degrees respectively by 6 am, representing an 11-degree decline from afternoon highs .
- Urban areas will experience temperatures between 27 and 31 degrees on Friday, with humidity levels of 70 to 95 percent, accompanied by scattered showers and thunderstorms, with some areas experiencing heavier rainfall .
- Tuesday (October 6) will be the coolest day of the week, with downtown temperatures dropping to 24 degrees, and northern New Territories areas like Shek Kip Mei reaching a low of 20 degrees .
- Thursday (October 8) marks the "Cold Dew" (Hanlu) solar term, signaling the arrival of deep autumn, with sunny weather, temperatures between 25 and 30 degrees, and humidity dropping to as low as 45 to 50 percent .
Why It Matters
This weather pattern marks a significant seasonal transition for Hong Kong, as the arrival of the Northeast Monsoon brings relief from the prolonged summer heat that has gripped the city. The dramatic temperature fluctuations, particularly the 11-degree drop in northern New Territories within 12 hours, underscore the monsoon system's strength and its impact on daily life. For residents, this signals the beginning of autumn weather patterns, with cooler mornings, drier air, and more stable sunny conditions expected through the middle of October .
This weather pattern marks a significant seasonal transition for Hong Kong, as the arrival of the Northeast Monsoon brings relief from the prolonged summer heat that has gripped the city. The dramatic temperature fluctuations, particularly the 11-degree drop in northern New Territories within 12 hours, underscore the monsoon system's strength and its impact on daily life. For residents, this signals the beginning of autumn weather patterns, with cooler mornings, drier air, and more stable sunny conditions expected through the middle of October .