Hot and Dry Conditions Expected as Easterly Winds Arrive Mid-Week
HK01 · 4 SOURCESabout 2 hours ago2 MIN
Summary
The Hong Kong Observatory reported that an upper-level anticyclone is bringing generally fine weather to southern China, while a northeast monsoon affecting the Guangdong coast is gradually moderating . Today (Tuesday, October 13) is forecast to be sunny with dry and hot conditions, with urban temperatures reaching approximately 31-32 degrees Celsius and the New Territories running another 1-3 degrees higher . The relative humidity has dropped to around 60 percent in many areas this afternoon, with a minimum of approximately 55 percent expected . Moderate easterly to northeasterly winds are prevailing over the territory . Looking ahead, an easterly airstream is predicted to arrive along the Guangdong coast from Wednesday onwards, bringing stronger winds, increased cloud cover, and the possibility of light rain through the latter part of the week .
Key Points
- Tuesday's forecast: Sunny with temperatures between 26 and 32 degrees Celsius in urban areas; New Territories may reach 33-34 degrees
- Relative humidity has fallen to approximately 55-60 percent, with dry conditions expected to persist through Tuesday
- The northeast monsoon affecting the Guangdong coast is expected to moderate over the next 1-2 days, causing hot daytime temperatures
- Inland areas will experience significant temperature differences between day and night as the monsoon moderates
- Wednesday through Friday will see partly cloudy skies with occasional light rain and fresh easterly winds
- The weekend (Saturday to Monday) is expected to return to generally sunny conditions with temperatures between 27 and 31 degrees
Why It Matters
The combination of hot, dry conditions and moderate winds creates elevated fire risk for rural and outlying islands areas, particularly in the New Territories where vegetation is more susceptible to ignition . Residents, especially the elderly and those with respiratory conditions, should take precautions against dehydration and heat-related illnesses during peak afternoon hours when temperatures are highest . The expected arrival of the easterly airstream mid-week will provide some relief from the heat while also improving air quality levels across the territory, though the associated stronger winds may affect outdoor activities and maritime operations .
The combination of hot, dry conditions and moderate winds creates elevated fire risk for rural and outlying islands areas, particularly in the New Territories where vegetation is more susceptible to ignition . Residents, especially the elderly and those with respiratory conditions, should take precautions against dehydration and heat-related illnesses during peak afternoon hours when temperatures are highest . The expected arrival of the easterly airstream mid-week will provide some relief from the heat while also improving air quality levels across the territory, though the associated stronger winds may affect outdoor activities and maritime operations .