An intense northeast monsoon will bring significantly cooler weather to the south China coastal areas in the next couple of days. An easterly airstream will affect the coast of Guangdong during the weekend with temperatures rising slightly over the region. Besides, Tropical Cyclone In-fa will move northeastwards in the next couple of days, crossing the western North Pacific and becoming an extratropical cyclone gradually.
26 Nov (THU)
27 Nov (FRI)
28 Nov (SAT)
29 Nov (SUN)
30 Nov (MON)
01 Dec (TUE)
02 Dec (WED)
03 Dec (THU)
04 Dec (FRI)
Sunny periods. Cool and dry.
Sunny periods and dry. Cool in the morning.
Forecast: maximum temperature
50% of the days have maximum temperatures falling within this range (based on 30-year climate data)[note 1]
50% of the days have minimum temperatures falling within this range (based on 30-year climate data)[note 1]
Forecast: maximum relative humidity
minimum relative humidity
50% of the days have maximum relative humidity falling within this range (based on 30-year climate data)[note 1]
50% of the days have minimum relative humidity falling within this range (based on 30-year climate data)[note 1]
Sea surface temperature 7 a.m. on 25 Nov 2015 at North Point :
Soil temperatures 7 a.m. on 25 Nov 2015 at the Hong Kong Observatory:
This middle 50% range (between 25th and 75th percentiles) is calculated based on the maximum/minimum temperature and relative humidity data within a 5-day period centred on that day in the 30 years from 1981 to 2010.
"9-day Weather Forecast" provides general indications of the trends in weather for the coming 9 days.
For detailed description of today's weather forecast, please refer to "Local Weather Forecast".
The accuracy of forecast generally decreases with forecast period. The average accuracy of weather forecast for the next one to three days, four to seven days, and eight to nine days are about 90%, 85% and 80% respectively.
The accuracy of forecast also varies for different weather systems in different seasons. Generally speaking, weather in spring and summer such as fog, tropical cyclone and severe convective weather is more changeable, resulting in higher uncertainty of forecast.